diff --git a/compiler/aliases.nim b/compiler/aliases.nim
index 42b073495b..a09c4077d6 100644
--- a/compiler/aliases.nim
+++ b/compiler/aliases.nim
@@ -10,7 +10,7 @@
 ## Simple alias analysis for the HLO and the code generators.
 
 import
-  ast, astalgo, types, trees, intsets, msgs
+  ast, astalgo, types, trees, intsets
 
 type
   TAnalysisResult* = enum
diff --git a/compiler/cgen.nim b/compiler/cgen.nim
index c0ef4e1e32..e961530f2b 100644
--- a/compiler/cgen.nim
+++ b/compiler/cgen.nim
@@ -13,7 +13,7 @@ import
   ast, astalgo, hashes, trees, platform, magicsys, extccomp, options, intsets,
   nversion, nimsets, msgs, bitsets, idents, types,
   ccgutils, os, ropes, math, passes, wordrecg, treetab, cgmeth,
-  condsyms, rodutils, renderer, cgendata, ccgmerge, aliases,
+  rodutils, renderer, cgendata, ccgmerge, aliases,
   lowerings, tables, sets, ndi, lineinfos, pathutils, transf, enumtostr
 
 when not defined(leanCompiler):
diff --git a/compiler/cgendata.nim b/compiler/cgendata.nim
index 77445639e3..bd35f2b87e 100644
--- a/compiler/cgendata.nim
+++ b/compiler/cgendata.nim
@@ -10,7 +10,7 @@
 ## This module contains the data structures for the C code generation phase.
 
 import
-  ast, ropes, passes, options, intsets,
+  ast, ropes, options, intsets,
   tables, ndi, lineinfos, pathutils, modulegraphs
 
 type
diff --git a/compiler/docgen.nim b/compiler/docgen.nim
index 28cbcbd8d9..e214ece4a0 100644
--- a/compiler/docgen.nim
+++ b/compiler/docgen.nim
@@ -15,8 +15,8 @@ import
   ast, strutils, strtabs, options, msgs, os, ropes, idents,
   wordrecg, syntaxes, renderer, lexer, packages/docutils/rstast,
   packages/docutils/rst, packages/docutils/rstgen,
-  packages/docutils/highlite, json, xmltree, cgi, trees, types,
-  typesrenderer, astalgo, modulepaths, lineinfos, intsets,
+  json, xmltree, cgi, trees, types,
+  typesrenderer, astalgo, lineinfos, intsets,
   pathutils, trees
 
 const
diff --git a/compiler/main.nim b/compiler/main.nim
index 35c5f9993b..f8ca2ba59f 100644
--- a/compiler/main.nim
+++ b/compiler/main.nim
@@ -24,8 +24,6 @@ import
 when not defined(leanCompiler):
   import jsgen, docgen, docgen2
 
-from magicsys import resetSysTypes
-
 proc semanticPasses(g: ModuleGraph) =
   registerPass g, verbosePass
   registerPass g, semPass
diff --git a/compiler/rodimpl.nim b/compiler/rodimpl.nim
index 69b50c3911..b58f77ff6c 100644
--- a/compiler/rodimpl.nim
+++ b/compiler/rodimpl.nim
@@ -9,7 +9,7 @@
 
 ## This module implements the new compilation cache.
 
-import strutils, os, intsets, tables, ropes, db_sqlite, msgs, options, types,
+import strutils, intsets, tables, ropes, db_sqlite, msgs, options,
   renderer, rodutils, idents, astalgo, btrees, magicsys, cgmeth, extccomp,
   btrees, trees, condsyms, nversion, pathutils
 
diff --git a/compiler/transf.nim b/compiler/transf.nim
index 0435ca3227..5555836857 100644
--- a/compiler/transf.nim
+++ b/compiler/transf.nim
@@ -20,7 +20,7 @@
 
 import
   options, ast, astalgo, trees, msgs,
-  idents, renderer, types, passes, semfold, magicsys, cgmeth,
+  idents, renderer, types, semfold, magicsys, cgmeth,
   lowerings, injectdestructors, liftlocals,
   modulegraphs, lineinfos
 
diff --git a/compiler/vmdef.nim b/compiler/vmdef.nim
index c2645c803d..17c133b08b 100644
--- a/compiler/vmdef.nim
+++ b/compiler/vmdef.nim
@@ -10,7 +10,7 @@
 ## This module contains the type definitions for the new evaluation engine.
 ## An instruction is 1-3 int32s in memory, it is a register based VM.
 
-import ast, idents, intsets, options, modulegraphs, lineinfos
+import ast, idents, options, modulegraphs, lineinfos
 
 const
   byteExcess* = 128 # we use excess-K for immediates
diff --git a/lib/impure/db_sqlite.nim b/lib/impure/db_sqlite.nim
index cacb421255..70538b7d67 100644
--- a/lib/impure/db_sqlite.nim
+++ b/lib/impure/db_sqlite.nim
@@ -103,7 +103,7 @@
 
 {.deadCodeElim: on.}  # dce option deprecated
 
-import strutils, sqlite3
+import sqlite3
 
 import db_common
 export db_common