diff --git a/changelog.md b/changelog.md
index cfbd51de9e930..77450f906903d 100644
--- a/changelog.md
+++ b/changelog.md
@@ -6,8 +6,8 @@
 - `addr` is now available for all addressable locations,
   `unsafeAddr` is now deprecated and an alias for `addr`.
 
-- `io` and `assertions` are about to move out of the `system` module.
-  You may instead import `std/syncio` and `std/assertions`.
+- `io`, `assertions` and `dollars` are about to move out of the `system` module.
+  You may instead import `std/syncio`, `std/assertions` and `std/dollars`.
   The `-d:nimPreviewSlimSystem` option makes these imports required.
 
 - The `gc:v2` option is removed.
diff --git a/compiler/ast.nim b/compiler/ast.nim
index 27e4fab63374b..05d126d28891b 100644
--- a/compiler/ast.nim
+++ b/compiler/ast.nim
@@ -14,7 +14,7 @@ import
 from strutils import toLowerAscii
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 export int128
 
diff --git a/compiler/astalgo.nim b/compiler/astalgo.nim
index 22f4257fc512b..755e2b2ef10ff 100644
--- a/compiler/astalgo.nim
+++ b/compiler/astalgo.nim
@@ -16,7 +16,7 @@ import
   msgs
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 when not defined(nimHasCursor):
   {.pragma: cursor.}
diff --git a/compiler/btrees.nim b/compiler/btrees.nim
index c79442249df94..242823ca057db 100644
--- a/compiler/btrees.nim
+++ b/compiler/btrees.nim
@@ -11,7 +11,7 @@
 ## Nim compiler's needs.
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 const
   M = 512    # max children per B-tree node = M-1
diff --git a/compiler/cgen.nim b/compiler/cgen.nim
index c0b94ebbb0f14..52fdd17ec4569 100644
--- a/compiler/cgen.nim
+++ b/compiler/cgen.nim
@@ -18,7 +18,7 @@ import
   injectdestructors, astmsgs, modulepaths
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 when not defined(leanCompiler):
   import spawn, semparallel
diff --git a/compiler/closureiters.nim b/compiler/closureiters.nim
index 613fbe582c567..172600f52c042 100644
--- a/compiler/closureiters.nim
+++ b/compiler/closureiters.nim
@@ -137,7 +137,7 @@ import
   tables, options
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   Ctx = object
diff --git a/compiler/commands.nim b/compiler/commands.nim
index a71dae9d96da0..bab41215355f2 100644
--- a/compiler/commands.nim
+++ b/compiler/commands.nim
@@ -32,7 +32,7 @@ import
 from ast import setUseIc, eqTypeFlags, tfGcSafe, tfNoSideEffect
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 # but some have deps to imported modules. Yay.
 bootSwitch(usedTinyC, hasTinyCBackend, "-d:tinyc")
diff --git a/compiler/condsyms.nim b/compiler/condsyms.nim
index 5a7e78d5f8b22..d14bc9cb5ef2c 100644
--- a/compiler/condsyms.nim
+++ b/compiler/condsyms.nim
@@ -15,6 +15,9 @@ import
 from options import Feature
 from lineinfos import hintMin, hintMax, warnMin, warnMax
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 proc defineSymbol*(symbols: StringTableRef; symbol: string, value: string = "true") =
   symbols[symbol] = value
 
diff --git a/compiler/depends.nim b/compiler/depends.nim
index 7e5dabbd3332f..aa55823e8c459 100644
--- a/compiler/depends.nim
+++ b/compiler/depends.nim
@@ -17,7 +17,7 @@ import std/[os, strutils, parseutils]
 import std/private/globs
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 type
diff --git a/compiler/dfa.nim b/compiler/dfa.nim
index 5b048ff6e99f0..7d6138a4f3bcb 100644
--- a/compiler/dfa.nim
+++ b/compiler/dfa.nim
@@ -33,7 +33,7 @@ import ast, intsets, lineinfos, renderer
 import std/private/asciitables
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   InstrKind* = enum
diff --git a/compiler/docgen.nim b/compiler/docgen.nim
index 8c95692df7336..ff1d8ccfea03d 100644
--- a/compiler/docgen.nim
+++ b/compiler/docgen.nim
@@ -24,7 +24,7 @@ from std/private/globs import nativeToUnixPath
 from nodejs import findNodeJs
 
 when defined(nimPreviewSlimSystem):
-  import std/[assertions, syncio]
+  import std/[assertions, syncio, dollars]
 
 
 const
diff --git a/compiler/evalffi.nim b/compiler/evalffi.nim
index d1d88a1fa18d4..555e479f37c65 100644
--- a/compiler/evalffi.nim
+++ b/compiler/evalffi.nim
@@ -13,6 +13,9 @@ import ast, types, options, tables, dynlib, msgs, lineinfos
 from os import getAppFilename
 import pkg/libffi
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 when defined(windows):
   const libcDll = "msvcrt.dll"
 elif defined(linux):
diff --git a/compiler/evaltempl.nim b/compiler/evaltempl.nim
index 8a6bf92870980..e5249c12e4c87 100644
--- a/compiler/evaltempl.nim
+++ b/compiler/evaltempl.nim
@@ -12,6 +12,9 @@
 import
   strutils, options, ast, astalgo, msgs, renderer, lineinfos, idents
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 type
   TemplCtx = object
     owner, genSymOwner: PSym
diff --git a/compiler/extccomp.nim b/compiler/extccomp.nim
index 6d306d0e6eeaf..dd48d4de17d0b 100644
--- a/compiler/extccomp.nim
+++ b/compiler/extccomp.nim
@@ -17,7 +17,7 @@ import ropes, platform, condsyms, options, msgs, lineinfos, pathutils, modulepat
 import std/[os, strutils, osproc, sha1, streams, sequtils, times, strtabs, json, jsonutils, sugar, parseutils]
 
 when defined(nimPreviewSlimSystem):
-  import std/syncio
+  import std/[syncio, dollars]
 
 type
   TInfoCCProp* = enum         # properties of the C compiler:
diff --git a/compiler/ic/bitabs.nim b/compiler/ic/bitabs.nim
index 8adab83880246..23fcdccaf2d98 100644
--- a/compiler/ic/bitabs.nim
+++ b/compiler/ic/bitabs.nim
@@ -4,7 +4,7 @@
 import hashes, rodfiles
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   LitId* = distinct uint32
diff --git a/compiler/ic/ic.nim b/compiler/ic/ic.nim
index 38b6987f99f33..61c7eb86c09bc 100644
--- a/compiler/ic/ic.nim
+++ b/compiler/ic/ic.nim
@@ -15,7 +15,7 @@ import ".." / [ast, idents, lineinfos, msgs, ropes, options,
 from os import removeFile, isAbsolute
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 type
   PackedConfig* = object
diff --git a/compiler/ic/integrity.nim b/compiler/ic/integrity.nim
index d341fd6536389..24677d91b5b0c 100644
--- a/compiler/ic/integrity.nim
+++ b/compiler/ic/integrity.nim
@@ -13,7 +13,7 @@
 import sets
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 import ".." / [ast, modulegraphs]
 import packed_ast, bitabs, ic
diff --git a/compiler/idents.nim b/compiler/idents.nim
index f36ce09f3c48a..8c2efe594a394 100644
--- a/compiler/idents.nim
+++ b/compiler/idents.nim
@@ -15,7 +15,7 @@ import
   hashes, wordrecg
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   PIdent* = ref TIdent
diff --git a/compiler/importer.nim b/compiler/importer.nim
index c4e37c2692619..92e8ef765f871 100644
--- a/compiler/importer.nim
+++ b/compiler/importer.nim
@@ -16,7 +16,7 @@ import
 from strutils import `%`
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 proc readExceptSet*(c: PContext, n: PNode): IntSet =
   assert n.kind in {nkImportExceptStmt, nkExportExceptStmt}
diff --git a/compiler/injectdestructors.nim b/compiler/injectdestructors.nim
index 867d30d96be64..7eee88df109da 100644
--- a/compiler/injectdestructors.nim
+++ b/compiler/injectdestructors.nim
@@ -20,7 +20,7 @@ import
   varpartitions
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 from trees import exprStructuralEquivalent, getRoot
 
diff --git a/compiler/jsgen.nim b/compiler/jsgen.nim
index 60d10f58de5df..a23ef4e19ae76 100644
--- a/compiler/jsgen.nim
+++ b/compiler/jsgen.nim
@@ -38,7 +38,7 @@ import
 import json, sets, math, tables, intsets, strutils
 
 when defined(nimPreviewSlimSystem):
-  import std/[assertions, syncio]
+  import std/[assertions, syncio, dollars]
 
 
 type
diff --git a/compiler/lambdalifting.nim b/compiler/lambdalifting.nim
index 96edba8c88329..f1a253b75ae59 100644
--- a/compiler/lambdalifting.nim
+++ b/compiler/lambdalifting.nim
@@ -15,7 +15,7 @@ import
   transf, liftdestructors, typeallowed
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 discard """
   The basic approach is that captured vars need to be put on the heap and
diff --git a/compiler/lexer.nim b/compiler/lexer.nim
index e795d52c08024..3671ff2e075d8 100644
--- a/compiler/lexer.nim
+++ b/compiler/lexer.nim
@@ -20,7 +20,7 @@ import
   wordrecg, lineinfos, pathutils, parseutils
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+    import std/[assertions, dollars]
 
 const
   MaxLineLength* = 80         # lines longer than this lead to a warning
diff --git a/compiler/linter.nim b/compiler/linter.nim
index 2c0ad4d6f43f8..fa2495b6ba11c 100644
--- a/compiler/linter.nim
+++ b/compiler/linter.nim
@@ -12,6 +12,9 @@
 import std/strutils
 from std/sugar import dup
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 import options, ast, msgs, idents, lineinfos, wordrecg, astmsgs, semdata, packages
 export packages
 
diff --git a/compiler/lookups.nim b/compiler/lookups.nim
index d61e15915ad3d..334a7796b8fdb 100644
--- a/compiler/lookups.nim
+++ b/compiler/lookups.nim
@@ -11,7 +11,7 @@
 import std/[algorithm, strutils]
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 import
   intsets, ast, astalgo, idents, semdata, types, msgs, options,
diff --git a/compiler/lowerings.nim b/compiler/lowerings.nim
index fc66fc9fa20d6..9b9bcb8eb98d1 100644
--- a/compiler/lowerings.nim
+++ b/compiler/lowerings.nim
@@ -16,7 +16,7 @@ import ast, astalgo, types, idents, magicsys, msgs, options, modulegraphs,
   lineinfos
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 proc newDeref*(n: PNode): PNode {.inline.} =
   result = newNodeIT(nkHiddenDeref, n.info, n.typ[0])
diff --git a/compiler/magicsys.nim b/compiler/magicsys.nim
index ab234a2a8c438..b6d3c4312c591 100644
--- a/compiler/magicsys.nim
+++ b/compiler/magicsys.nim
@@ -13,6 +13,9 @@ import
   ast, astalgo, msgs, platform, idents,
   modulegraphs, lineinfos
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 export createMagic
 
 proc nilOrSysInt*(g: ModuleGraph): PType = g.sysTypes[tyInt]
diff --git a/compiler/main.nim b/compiler/main.nim
index 0354bec9c7261..6bb551d9ff98e 100644
--- a/compiler/main.nim
+++ b/compiler/main.nim
@@ -24,7 +24,7 @@ import
 
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 import ic / [cbackend, integrity, navigator]
 from ic / ic import rodViewer
diff --git a/compiler/modulegraphs.nim b/compiler/modulegraphs.nim
index 8294d863e1d5d..e864e69976fe3 100644
--- a/compiler/modulegraphs.nim
+++ b/compiler/modulegraphs.nim
@@ -16,7 +16,7 @@ import ast, astalgo, options, lineinfos,idents, btrees, ropes, msgs, pathutils,
 import ic / [packed_ast, ic]
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   SigHash* = distinct MD5Digest
diff --git a/compiler/modulepaths.nim b/compiler/modulepaths.nim
index e80ea3fa66329..79efcc7b01611 100644
--- a/compiler/modulepaths.nim
+++ b/compiler/modulepaths.nim
@@ -10,6 +10,9 @@
 import ast, renderer, strutils, msgs, options, idents, os, lineinfos,
   pathutils
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 proc getModuleName*(conf: ConfigRef; n: PNode): string =
   # This returns a short relative module name without the nim extension
   # e.g. like "system", "importer" or "somepath/module"
diff --git a/compiler/msgs.nim b/compiler/msgs.nim
index ed65e03429646..9236fc4c954bf 100644
--- a/compiler/msgs.nim
+++ b/compiler/msgs.nim
@@ -13,7 +13,7 @@ import
   options, ropes, lineinfos, pathutils, strutils2
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 
 type InstantiationInfo* = typeof(instantiationInfo())
diff --git a/compiler/ndi.nim b/compiler/ndi.nim
index a9d9cfe791c6c..a4e9cd32013d2 100644
--- a/compiler/ndi.nim
+++ b/compiler/ndi.nim
@@ -13,7 +13,7 @@
 import ast, msgs, ropes, options, pathutils
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 type
   NdiFile* = object
diff --git a/compiler/nilcheck.nim b/compiler/nilcheck.nim
index 49ceb8942b059..068cf366cc081 100644
--- a/compiler/nilcheck.nim
+++ b/compiler/nilcheck.nim
@@ -11,7 +11,7 @@ import ast, renderer, intsets, tables, msgs, options, lineinfos, strformat, iden
 import sequtils, strutils, sets
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 # IMPORTANT: notes not up to date, i'll update this comment again
 #
diff --git a/compiler/nim.nim b/compiler/nim.nim
index 48472507da17a..991e0fc452ae9 100644
--- a/compiler/nim.nim
+++ b/compiler/nim.nim
@@ -10,7 +10,7 @@
 import std/[os, strutils, parseopt]
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 when defined(windows) and not defined(nimKochBootstrap):
   # remove workaround pending bootstrap >= 1.5.1
diff --git a/compiler/nimblecmd.nim b/compiler/nimblecmd.nim
index b6b08ccd455c0..dd1524a7936af 100644
--- a/compiler/nimblecmd.nim
+++ b/compiler/nimblecmd.nim
@@ -13,7 +13,7 @@ import parseutils, strutils, os, options, msgs, sequtils, lineinfos, pathutils,
   std/sha1, tables
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 proc addPath*(conf: ConfigRef; path: AbsoluteDir, info: TLineInfo) =
   if not conf.searchPaths.contains(path):
diff --git a/compiler/nimpaths.nim b/compiler/nimpaths.nim
index c6e1882892241..59897f3a6b56a 100644
--- a/compiler/nimpaths.nim
+++ b/compiler/nimpaths.nim
@@ -20,7 +20,7 @@ Unstable API
 import os, strutils
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 const
diff --git a/compiler/nodejs.nim b/compiler/nodejs.nim
index 283643e8d2edd..66f4c0e6db744 100644
--- a/compiler/nodejs.nim
+++ b/compiler/nodejs.nim
@@ -1,5 +1,9 @@
 import os
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
+
 proc findNodeJs*(): string {.inline.} =
   ## Find NodeJS executable and return it as a string.
   result = findExe("nodejs")
diff --git a/compiler/parampatterns.nim b/compiler/parampatterns.nim
index cceb236ae0951..0eeccb22bc73c 100644
--- a/compiler/parampatterns.nim
+++ b/compiler/parampatterns.nim
@@ -13,6 +13,9 @@
 import strutils, ast, types, msgs, idents, renderer, wordrecg, trees,
   options
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 # we precompile the pattern here for efficiency into some internal
 # stack based VM :-) Why? Because it's fun; I did no benchmarks to see if that
 # actually improves performance.
diff --git a/compiler/parser.nim b/compiler/parser.nim
index 52466d9fa0f04..7bc1a94913acf 100644
--- a/compiler/parser.nim
+++ b/compiler/parser.nim
@@ -37,7 +37,7 @@ when defined(nimpretty):
   import layouter
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   Parser* = object            # A Parser object represents a file that
diff --git a/compiler/passaux.nim b/compiler/passaux.nim
index 68b7832489bb0..f1be8c9e27b24 100644
--- a/compiler/passaux.nim
+++ b/compiler/passaux.nim
@@ -14,6 +14,9 @@ import
 
 from modulegraphs import ModuleGraph, PPassContext
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 type
   VerboseRef = ref object of PPassContext
     config: ConfigRef
diff --git a/compiler/pragmas.nim b/compiler/pragmas.nim
index 8c7d75024eea2..fa49cdb401b90 100644
--- a/compiler/pragmas.nim
+++ b/compiler/pragmas.nim
@@ -15,7 +15,7 @@ import
   types, lookups, lineinfos, pathutils, linter
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 from ic / ic import addCompilerProc
 
diff --git a/compiler/renderer.nim b/compiler/renderer.nim
index f847aa0944eb6..4eb1572415ee4 100644
--- a/compiler/renderer.nim
+++ b/compiler/renderer.nim
@@ -18,7 +18,7 @@ import
   lexer, options, idents, strutils, ast, msgs, lineinfos
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 type
   TRenderFlag* = enum
diff --git a/compiler/ropes.nim b/compiler/ropes.nim
index 677a3ce096ba4..72375db98b5dd 100644
--- a/compiler/ropes.nim
+++ b/compiler/ropes.nim
@@ -61,7 +61,7 @@ import
 from pathutils import AbsoluteFile
 
 when defined(nimPreviewSlimSystem):
-  import std/[assertions, syncio]
+  import std/[assertions, syncio, dollars]
 
 
 type
diff --git a/compiler/semcall.nim b/compiler/semcall.nim
index 4f956785e0fdd..ca9060c2405d0 100644
--- a/compiler/semcall.nim
+++ b/compiler/semcall.nim
@@ -12,6 +12,9 @@
 
 from algorithm import sort
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 proc sameMethodDispatcher(a, b: PSym): bool =
   result = false
   if a.kind == skMethod and b.kind == skMethod:
diff --git a/compiler/semfold.nim b/compiler/semfold.nim
index 72c8abaa98b1f..c2a0474b3c8a0 100644
--- a/compiler/semfold.nim
+++ b/compiler/semfold.nim
@@ -18,7 +18,7 @@ import
 from system/memory import nimCStrLen
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 proc errorType*(g: ModuleGraph): PType =
   ## creates a type representing an error state
diff --git a/compiler/semmacrosanity.nim b/compiler/semmacrosanity.nim
index aebee89981daa..40adf20712240 100644
--- a/compiler/semmacrosanity.nim
+++ b/compiler/semmacrosanity.nim
@@ -12,6 +12,9 @@
 
 import ast, msgs, types, options
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 proc ithField(n: PNode, field: var int): PSym =
   result = nil
   case n.kind
diff --git a/compiler/sempass2.nim b/compiler/sempass2.nim
index 1e3e4135080ba..dafbf6de8e919 100644
--- a/compiler/sempass2.nim
+++ b/compiler/sempass2.nim
@@ -13,7 +13,7 @@ import
   modulegraphs, varpartitions, typeallowed, nilcheck, errorhandling, tables
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 when defined(useDfa):
   import dfa
diff --git a/compiler/sighashes.nim b/compiler/sighashes.nim
index 1835d9d0f7051..c4a4873c01755 100644
--- a/compiler/sighashes.nim
+++ b/compiler/sighashes.nim
@@ -14,7 +14,7 @@ from hashes import Hash
 import types
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 proc `&=`(c: var MD5Context, s: string) = md5Update(c, s, s.len)
diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim
index f195c4e455858..a1effd0b4690d 100644
--- a/compiler/sigmatch.nim
+++ b/compiler/sigmatch.nim
@@ -16,7 +16,7 @@ import
   linter, lineinfos, lowerings, modulegraphs, concepts
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   MismatchKind* = enum
diff --git a/compiler/sourcemap.nim b/compiler/sourcemap.nim
index b87de75f35eca..5b3d5165cd79e 100644
--- a/compiler/sourcemap.nim
+++ b/compiler/sourcemap.nim
@@ -1,5 +1,8 @@
 import os, strformat, strutils, tables, sets, ropes, json, algorithm
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 type
   SourceNode* = ref object
     line*:      int
diff --git a/compiler/spawn.nim b/compiler/spawn.nim
index 581f722d5390f..156e3da1d6d70 100644
--- a/compiler/spawn.nim
+++ b/compiler/spawn.nim
@@ -13,6 +13,9 @@ import ast, types, idents, magicsys, msgs, options, modulegraphs,
   lowerings, liftdestructors, renderer
 from trees import getMagic, getRoot
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 proc callProc(a: PNode): PNode =
   result = newNodeI(nkCall, a.info)
   result.add a
diff --git a/compiler/syntaxes.nim b/compiler/syntaxes.nim
index c00fe8b6771b8..3d8fae5104acf 100644
--- a/compiler/syntaxes.nim
+++ b/compiler/syntaxes.nim
@@ -14,7 +14,7 @@ import
   filters, filter_tmpl, renderer, lineinfos, pathutils
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 export Parser, parseAll, parseTopLevelStmt, checkFirstLineIndentation, closeParser
 
diff --git a/compiler/types.nim b/compiler/types.nim
index 6855776412e37..1d902963a1191 100644
--- a/compiler/types.nim
+++ b/compiler/types.nim
@@ -14,7 +14,7 @@ import
   lineinfos, int128, modulegraphs, astmsgs
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   TPreferedDesc* = enum
diff --git a/compiler/varpartitions.nim b/compiler/varpartitions.nim
index a93104b06c4ef..a876ec2d46a6b 100644
--- a/compiler/varpartitions.nim
+++ b/compiler/varpartitions.nim
@@ -33,7 +33,7 @@ from trees import getMagic, isNoSideEffectPragma, stupidStmtListExpr
 from isolation_check import canAlias
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   AbstractTime = distinct int
diff --git a/compiler/vm.nim b/compiler/vm.nim
index 28df27ef389d8..a9c0a14cb17a2 100644
--- a/compiler/vm.nim
+++ b/compiler/vm.nim
@@ -18,6 +18,9 @@ import
   gorgeimpl, lineinfos, btrees, macrocacheimpl,
   modulegraphs, sighashes, int128, vmprofiler
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 import ast except getstr
 from semfold import leValueConv, ordinalValToString
 from evaltempl import evalTemplate
diff --git a/compiler/vmgen.nim b/compiler/vmgen.nim
index aa2bdbe4ccad0..aad2b522ec467 100644
--- a/compiler/vmgen.nim
+++ b/compiler/vmgen.nim
@@ -30,7 +30,7 @@
 import tables
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 import
   strutils, ast, types, msgs, renderer, vmdef,
diff --git a/compiler/vmmarshal.nim b/compiler/vmmarshal.nim
index 83c441283ee1b..c9f8fc30ca837 100644
--- a/compiler/vmmarshal.nim
+++ b/compiler/vmmarshal.nim
@@ -13,7 +13,7 @@ import streams, json, intsets, tables, ast, astalgo, idents, types, msgs,
   options, lineinfos
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 proc ptrToInt(x: PNode): int {.inline.} =
   result = cast[int](x) # don't skip alignment
diff --git a/compiler/vmprofiler.nim b/compiler/vmprofiler.nim
index f586c8ffe3b5a..846485c6d77e2 100644
--- a/compiler/vmprofiler.nim
+++ b/compiler/vmprofiler.nim
@@ -3,6 +3,9 @@ import
   options, vmdef, times, lineinfos, strutils, tables,
   msgs
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 proc enter*(prof: var Profiler, c: PCtx, tos: PStackFrame) {.inline.} =
   if optProfileVM in c.config.globalOptions:
     prof.tEnter = cpuTime()
diff --git a/lib/core/macros.nim b/lib/core/macros.nim
index ad87a0f64e2fb..d01b9f3b21343 100644
--- a/lib/core/macros.nim
+++ b/lib/core/macros.nim
@@ -11,7 +11,7 @@ include "system/inclrtl"
 import std/private/since
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 ## This module contains the interface to the compiler's abstract syntax
diff --git a/lib/packages/docutils/rst.nim b/lib/packages/docutils/rst.nim
index 91076bbeedeca..a5435e03ce7a7 100644
--- a/lib/packages/docutils/rst.nim
+++ b/lib/packages/docutils/rst.nim
@@ -239,7 +239,7 @@ import
 from highlite import SourceLanguage, getSourceLanguage
 
 when defined(nimPreviewSlimSystem):
-  import std/[assertions, syncio]
+  import std/[assertions, syncio, dollars]
 
 
 type
diff --git a/lib/packages/docutils/rstast.nim b/lib/packages/docutils/rstast.nim
index eac3a5e15e7b5..b204c5c8f6efb 100644
--- a/lib/packages/docutils/rstast.nim
+++ b/lib/packages/docutils/rstast.nim
@@ -12,7 +12,7 @@
 import strutils, json
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 type
diff --git a/lib/packages/docutils/rstgen.nim b/lib/packages/docutils/rstgen.nim
index 6232cb0be570e..929ad926925c9 100644
--- a/lib/packages/docutils/rstgen.nim
+++ b/lib/packages/docutils/rstgen.nim
@@ -44,7 +44,7 @@ import strutils, os, hashes, strtabs, rstast, rst, highlite, tables, sequtils,
 
 
 when defined(nimPreviewSlimSystem):
-  import std/[assertions, syncio]
+  import std/[assertions, syncio, dollars]
 
 
 import ../../std/private/since
diff --git a/lib/pure/base64.nim b/lib/pure/base64.nim
index 9b7af88ef1180..d08031293c1d6 100644
--- a/lib/pure/base64.nim
+++ b/lib/pure/base64.nim
@@ -59,6 +59,10 @@ runnableExamples:
 ## * `md5 module<md5.html>`_ for the MD5 checksum algorithm
 ## * `sha1 module<sha1.html>`_ for the SHA-1 checksum algorithm
 
+
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 template cbBase(a, b): untyped = [
   'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
   'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z',
diff --git a/lib/pure/dynlib.nim b/lib/pure/dynlib.nim
index 48fd91b8f33c7..18f390d3d6514 100644
--- a/lib/pure/dynlib.nim
+++ b/lib/pure/dynlib.nim
@@ -42,7 +42,8 @@ runnableExamples:
 
     unloadLib(lib)
 
-
+when defined(nimPreviewSlimSystem):
+  import std/dollars
 import std/strutils
 
 type
diff --git a/lib/pure/json.nim b/lib/pure/json.nim
index 928bc0fbfb8db..cab9910173904 100644
--- a/lib/pure/json.nim
+++ b/lib/pure/json.nim
@@ -165,7 +165,7 @@ import options # xxx remove this dependency using same approach as https://githu
 import std/private/since
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 export
   tables.`$`
diff --git a/lib/pure/math.nim b/lib/pure/math.nim
index 15324f8824b64..3771ebba005ad 100644
--- a/lib/pure/math.nim
+++ b/lib/pure/math.nim
@@ -61,7 +61,7 @@ import std/private/since
 import bitops, fenv
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 when defined(c) or defined(cpp):
diff --git a/lib/pure/os.nim b/lib/pure/os.nim
index 79f9950a768fc..8fad1e3e809f2 100644
--- a/lib/pure/os.nim
+++ b/lib/pure/os.nim
@@ -35,7 +35,7 @@ import std/private/since
 import strutils, pathnorm
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 const weirdTarget = defined(nimscript) or defined(js)
 
diff --git a/lib/pure/osproc.nim b/lib/pure/osproc.nim
index 666ccdda8fe9e..4e878a231d932 100644
--- a/lib/pure/osproc.nim
+++ b/lib/pure/osproc.nim
@@ -32,7 +32,7 @@ when defined(linux) and defined(useClone):
   import linux
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 
 type
diff --git a/lib/pure/parsejson.nim b/lib/pure/parsejson.nim
index c92eac26e923f..fb613cb8559a1 100644
--- a/lib/pure/parsejson.nim
+++ b/lib/pure/parsejson.nim
@@ -15,7 +15,7 @@ import strutils, lexbase, streams, unicode
 import std/private/decode_helpers
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 type
   JsonEventKind* = enum ## enumeration of all events that may occur when parsing
diff --git a/lib/pure/strformat.nim b/lib/pure/strformat.nim
index 247d0a296bf8f..a84214ab1c541 100644
--- a/lib/pure/strformat.nim
+++ b/lib/pure/strformat.nim
@@ -317,7 +317,7 @@ import macros, parseutils, unicode
 import strutils except format
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 proc mkDigit(v: int, typ: char): string {.inline.} =
diff --git a/lib/pure/strscans.nim b/lib/pure/strscans.nim
index 7db6f28af1c02..8a74bbdb98abe 100644
--- a/lib/pure/strscans.nim
+++ b/lib/pure/strscans.nim
@@ -287,7 +287,7 @@ import macros, parseutils
 import std/private/since
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 proc conditionsToIfChain(n, idx, res: NimNode; start: int): NimNode =
diff --git a/lib/pure/strutils.nim b/lib/pure/strutils.nim
index 3b315e564aa51..2290f134a2b57 100644
--- a/lib/pure/strutils.nim
+++ b/lib/pure/strutils.nim
@@ -84,7 +84,7 @@ from std/private/strimpl import cmpIgnoreStyleImpl, cmpIgnoreCaseImpl,
     startsWithImpl, endsWithImpl
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 const
diff --git a/lib/pure/sugar.nim b/lib/pure/sugar.nim
index d7beef8d9a901..5385e14ffb184 100644
--- a/lib/pure/sugar.nim
+++ b/lib/pure/sugar.nim
@@ -13,6 +13,9 @@
 import std/private/since
 import macros
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
 proc checkPragma(ex, prag: var NimNode) =
   since (1, 3):
     if ex.kind == nnkPragmaExpr:
diff --git a/lib/pure/terminal.nim b/lib/pure/terminal.nim
index 571c9b13c5613..5233a1ec2f57f 100644
--- a/lib/pure/terminal.nim
+++ b/lib/pure/terminal.nim
@@ -67,7 +67,7 @@ when defined(windows):
   import winlean
 
 when defined(nimPreviewSlimSystem):
-  import std/[syncio, assertions]
+  import std/[syncio, assertions, dollars]
 
 type
   PTerminal = ref object
diff --git a/lib/pure/times.nim b/lib/pure/times.nim
index b70c5cedc5f57..e67b29bd55b08 100644
--- a/lib/pure/times.nim
+++ b/lib/pure/times.nim
@@ -202,7 +202,7 @@ import std/private/since
 include "system/inclrtl"
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 when defined(js):
diff --git a/lib/pure/typetraits.nim b/lib/pure/typetraits.nim
index c20f9e64519ce..44077a132c019 100644
--- a/lib/pure/typetraits.nim
+++ b/lib/pure/typetraits.nim
@@ -16,7 +16,7 @@ import std/private/since
 export system.`$` # for backward compatibility
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 type HoleyEnum* = (not Ordinal) and enum ## Enum with holes.
diff --git a/lib/system/dollars.nim b/lib/std/dollars.nim
similarity index 95%
rename from lib/system/dollars.nim
rename to lib/std/dollars.nim
index 46085d2aa688d..15a21947af009 100644
--- a/lib/system/dollars.nim
+++ b/lib/std/dollars.nim
@@ -1,4 +1,14 @@
+#
+#
+#            Nim's Runtime Library
+#        (c) Copyright 2022 Nim contributors
+#
+#    See the file "copying.txt", included in this
+#    distribution, for details about the copyright.
+#
+
 ## `$` is Nim's general way of spelling `toString`:idx:.
+
 runnableExamples:
   assert $0.1 == "0.1"
   assert $(-2*3) == "-6"
@@ -174,4 +184,4 @@ proc `$`*[T](x: openArray[T]): string =
   ##
   ## .. code-block:: Nim
   ##   $(@[23, 45].toOpenArray(0, 1)) == "[23, 45]"
-  collectionToString(x, "[", ", ", "]")
+  collectionToString(x, "[", ", ", "]")
\ No newline at end of file
diff --git a/lib/std/enumutils.nim b/lib/std/enumutils.nim
index 9d4ff1bcfac8d..bdc65175ff171 100644
--- a/lib/std/enumutils.nim
+++ b/lib/std/enumutils.nim
@@ -11,7 +11,7 @@ import macros
 from typetraits import OrdinalEnum, HoleyEnum
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 
 # xxx `genEnumCaseStmt` needs tests and runnableExamples
diff --git a/lib/std/jsonutils.nim b/lib/std/jsonutils.nim
index 722ea49b5ad11..2f108dca46eef 100644
--- a/lib/std/jsonutils.nim
+++ b/lib/std/jsonutils.nim
@@ -35,7 +35,7 @@ from enumutils import symbolName
 from typetraits import OrdinalEnum
 
 when defined(nimPreviewSlimSystem):
-  import std/assertions
+  import std/[assertions, dollars]
 
 when not defined(nimFixedForwardGeneric):
   # xxx remove pending csources_v1 update >= 1.2.0
diff --git a/lib/std/syncio.nim b/lib/std/syncio.nim
index eab96254a8973..7056edb8fc81e 100644
--- a/lib/std/syncio.nim
+++ b/lib/std/syncio.nim
@@ -12,6 +12,8 @@
 include system/inclrtl
 import std/private/since
 import system/formatfloat
+when defined(nimPreviewSlimSystem):
+  import std/dollars
 
 # ----------------- IO Part ------------------------------------------------
 type
diff --git a/lib/system.nim b/lib/system.nim
index 6d737d552130e..726a28e38c75b 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -2145,8 +2145,13 @@ const
     ## is the patch number of Nim's version.
     ## Odd for devel, even for releases.
 
-import system/dollars
-export dollars
+when not defined(nimPreviewSlimSystem):
+  {.deprecated: """dollars is about to move out of system; use `-d:nimPreviewSlimSystem` and
+              import `std/dollars`.""".}
+  import std/dollars
+  export dollars
+else:
+  import std/dollars
 
 when defined(nimAuditDelete):
   {.pragma: auditDelete, deprecated: "review this call for out of bounds behavior".}
diff --git a/lib/system/formatfloat.nim b/lib/system/formatfloat.nim
index aada3e1bf0619..cd1084e52351a 100644
--- a/lib/system/formatfloat.nim
+++ b/lib/system/formatfloat.nim
@@ -77,7 +77,7 @@ proc writeFloatToBufferSprintf*(buf: var array[65, char]; value: BiggestFloat):
       result = 3
 
 proc writeFloatToBuffer*(buf: var array[65, char]; value: BiggestFloat | float32): int {.inline.} =
-  when defined(nimPreviewFloatRoundtrip):
+  when defined(nimPreviewFloatRoundtrip) or defined(nimPreviewSlimSystem):
     writeFloatToBufferRoundtrip(buf, value)
   else:
     writeFloatToBufferSprintf(buf, value)
@@ -98,22 +98,23 @@ proc addFloatSprintf*(result: var string; x: float) =
     let n = writeFloatToBufferSprintf(buffer, x)
     result.addCstringN(cstring(buffer[0].addr), n)
 
-proc nimFloatToString(a: float): cstring =
-  ## ensures the result doesn't print like an integer, i.e. return 2.0, not 2
-  # print `-0.0` properly
-  asm """
-    function nimOnlyDigitsOrMinus(n) {
-      return n.toString().match(/^-?\d+$/);
-    }
-    if (Number.isSafeInteger(`a`))
-      `result` = `a` === 0 && 1 / `a` < 0 ? "-0.0" : `a`+".0"
-    else {
-      `result` = `a`+""
-      if(nimOnlyDigitsOrMinus(`result`)){
-        `result` = `a`+".0"
+when defined(js):
+  proc nimFloatToString(a: float): cstring =
+    ## ensures the result doesn't print like an integer, i.e. return 2.0, not 2
+    # print `-0.0` properly
+    asm """
+      function nimOnlyDigitsOrMinus(n) {
+        return n.toString().match(/^-?\d+$/);
       }
-    }
-  """
+      if (Number.isSafeInteger(`a`))
+        `result` = `a` === 0 && 1 / `a` < 0 ? "-0.0" : `a`+".0"
+      else {
+        `result` = `a`+""
+        if(nimOnlyDigitsOrMinus(`result`)){
+          `result` = `a`+".0"
+        }
+      }
+    """
 
 proc addFloat*(result: var string; x: float | float32) {.inline.} =
   ## Converts float to its string representation and appends it to `result`.
@@ -124,7 +125,7 @@ proc addFloat*(result: var string; x: float | float32) {.inline.} =
     s.addFloat(45.67)
     assert s == "foo:45.67"
   template impl =
-    when defined(nimPreviewFloatRoundtrip):
+    when defined(nimPreviewFloatRoundtrip) or defined(nimPreviewSlimSystem):
       addFloatRoundtrip(result, x)
     else:
       addFloatSprintf(result, x)
diff --git a/lib/system/repr_v2.nim b/lib/system/repr_v2.nim
index 6ab5f3c3f744c..b2edeaa17cfa8 100644
--- a/lib/system/repr_v2.nim
+++ b/lib/system/repr_v2.nim
@@ -1,5 +1,9 @@
 include system/inclrtl
 
+when defined(nimPreviewSlimSystem):
+  import std/dollars
+
+
 proc isNamedTuple(T: typedesc): bool {.magic: "TypeTrait".}
   ## imported from typetraits