diff --git a/basis/bootstrap/stage2.factor b/basis/bootstrap/stage2.factor
index 74768c7443..d6c1876d6a 100644
--- a/basis/bootstrap/stage2.factor
+++ b/basis/bootstrap/stage2.factor
@@ -4,7 +4,7 @@ USING: accessors init namespaces words words.symbol io
 kernel.private math memory continuations kernel io.files
 io.pathnames io.backend system parser vocabs sequences
 vocabs.loader combinators splitting source-files strings
-definitions assocs compiler.errors compiler.units math.parser
+definitions assocs compiler.units math.parser
 generic sets command-line ;
 IN: bootstrap.stage2
 
diff --git a/basis/compiler/errors/errors-docs.factor b/basis/compiler/errors/errors-docs.factor
index 6dbe5193aa..4d6f014f1b 100644
--- a/basis/compiler/errors/errors-docs.factor
+++ b/basis/compiler/errors/errors-docs.factor
@@ -2,4 +2,33 @@ IN: compiler.errors
 USING: help.markup help.syntax vocabs.loader words io
 quotations words.symbol ;
 
+ARTICLE: "compiler-errors" "Compiler warnings and errors"
+"After loading a vocabulary, you might see messages like:"
+{ $code
+    ":errors - print 2 compiler errors"
+    ":warnings - print 50 compiler warnings"
+}
+"These messages arise from the compiler's stack effect checker. Production code should not have any warnings and errors in it. Warning and error conditions are documented in " { $link "inference-errors" } "."
+$nl
+"Words to view warnings and errors:"
+{ $subsection :warnings }
+{ $subsection :errors }
+{ $subsection :linkage }
+"Compiler warnings and errors are also shown in the " { $link "ui.tools.error-list" } "." ;
+
+HELP: compiler-error
+{ $values { "error" "an error" } { "word" word } }
+{ $description "Saves the error for future persual via " { $link :errors } ", " { $link :warnings } " and " { $link :linkage } "." } ;
+
+HELP: :errors
+{ $description "Prints all serious compiler errors from the most recent compile to " { $link output-stream } "." } ;
+
+HELP: :warnings
+{ $description "Prints all ignorable compiler warnings from the most recent compile to " { $link output-stream } "." } ;
+
+HELP: :linkage
+{ $description "Prints all C library interface linkage errors from the most recent compile to " { $link output-stream } "." } ;
+
+{ :errors :warnings } related-words
+
 ABOUT: "compiler-errors"
diff --git a/basis/compiler/errors/errors.factor b/basis/compiler/errors/errors.factor
index 7e384d1a71..189e6344e9 100644
--- a/basis/compiler/errors/errors.factor
+++ b/basis/compiler/errors/errors.factor
@@ -1,6 +1,7 @@
 ! Copyright (C) 2007, 2009 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: accessors source-files.errors kernel namespaces assocs ;
+USING: accessors source-files.errors kernel namespaces assocs
+tools.errors ;
 IN: compiler.errors
 
 TUPLE: compiler-error < source-file-error ;
@@ -48,3 +49,12 @@ T{ error-type
 : compiler-error ( error word -- )
     compiler-errors get-global pick
     [ [ [ <compiler-error> ] keep ] dip set-at ] [ delete-at drop ] if ;
+
+: compiler-errors. ( type -- )
+    errors-of-type values errors. ;
+
+: :errors ( -- ) +compiler-error+ compiler-errors. ;
+
+: :warnings ( -- ) +compiler-warning+ compiler-errors. ;
+
+: :linkage ( -- ) +linkage-error+ compiler-errors. ;
diff --git a/basis/debugger/debugger.factor b/basis/debugger/debugger.factor
index c088b86c31..579ca98c41 100644
--- a/basis/debugger/debugger.factor
+++ b/basis/debugger/debugger.factor
@@ -8,7 +8,7 @@ classes.mixin classes.tuple continuations continuations.private
 combinators generic.math classes.builtin classes compiler.units
 generic.standard vocabs init kernel.private io.encodings
 accessors math.order destructors source-files parser
-classes.tuple.parser effects.parser lexer compiler.errors
+classes.tuple.parser effects.parser lexer
 generic.parser strings.parser vocabs.loader vocabs.parser see
 source-files.errors ;
 IN: debugger
@@ -321,8 +321,6 @@ M: source-file-error error.
         ] bi format nl
     ] [ error>> error. ] bi ;
 
-M: compiler-error summary asset>> summary ;
-
 M: bad-effect summary
     drop "Bad stack effect declaration" ;
 
diff --git a/basis/tools/errors/errors-docs.factor b/basis/tools/errors/errors-docs.factor
index 456f39c041..a28d4abf24 100644
--- a/basis/tools/errors/errors-docs.factor
+++ b/basis/tools/errors/errors-docs.factor
@@ -1,32 +1 @@
 IN: tools.errors
-USING: compiler.errors tools.errors help.markup help.syntax vocabs.loader
-words quotations io ;
-
-ARTICLE: "compiler-errors" "Compiler warnings and errors"
-"After loading a vocabulary, you might see messages like:"
-{ $code
-    ":errors - print 2 compiler errors"
-    ":warnings - print 50 compiler warnings"
-}
-"These messages arise from the compiler's stack effect checker. Production code should not have any warnings and errors in it. Warning and error conditions are documented in " { $link "inference-errors" } "."
-$nl
-"Words to view warnings and errors:"
-{ $subsection :warnings }
-{ $subsection :errors }
-{ $subsection :linkage }
-"Compiler warnings and errors are also shown in the " { $link "ui.tools.error-list" } "." ;
-
-HELP: compiler-error
-{ $values { "error" "an error" } { "word" word } }
-{ $description "Saves the error for future persual via " { $link :errors } ", " { $link :warnings } " and " { $link :linkage } "." } ;
-
-HELP: :errors
-{ $description "Prints all serious compiler errors from the most recent compile to " { $link output-stream } "." } ;
-
-HELP: :warnings
-{ $description "Prints all ignorable compiler warnings from the most recent compile to " { $link output-stream } "." } ;
-
-HELP: :linkage
-{ $description "Prints all C library interface linkage errors from the most recent compile to " { $link output-stream } "." } ;
-
-{ :errors :warnings } related-words
diff --git a/basis/tools/errors/errors.factor b/basis/tools/errors/errors.factor
index 4b717a8bdd..6cf60287d1 100644
--- a/basis/tools/errors/errors.factor
+++ b/basis/tools/errors/errors.factor
@@ -1,7 +1,6 @@
 ! Copyright (C) 2009 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: assocs compiler.errors debugger io kernel sequences
-source-files.errors ;
+USING: assocs debugger io kernel sequences source-files.errors ;
 IN: tools.errors
 
 #! Tools for source-files.errors. Used by tools.tests and others
@@ -14,12 +13,3 @@ IN: tools.errors
         [ [ nl ] [ error. ] interleave ]
         bi*
     ] assoc-each ;
-
-: compiler-errors. ( type -- )
-    errors-of-type values errors. ;
-
-: :errors ( -- ) +compiler-error+ compiler-errors. ;
-
-: :warnings ( -- ) +compiler-warning+ compiler-errors. ;
-
-: :linkage ( -- ) +linkage-error+ compiler-errors. ;
diff --git a/core/compiler/units/units.factor b/core/compiler/units/units.factor
index b5760b8de6..88772caea0 100644
--- a/core/compiler/units/units.factor
+++ b/core/compiler/units/units.factor
@@ -3,7 +3,7 @@
 USING: accessors arrays kernel continuations assocs namespaces
 sequences words vocabs definitions hashtables init sets
 math math.order classes classes.algebra classes.tuple
-classes.tuple.private generic compiler.errors ;
+classes.tuple.private generic ;
 IN: compiler.units
 
 SYMBOL: old-definitions
@@ -41,7 +41,7 @@ SYMBOL: compiler-impl
 HOOK: recompile compiler-impl ( words -- alist )
 
 ! Non-optimizing compiler
-M: f recompile [ [ f swap compiler-error ] each ] [ [ f ] { } map>assoc ] bi ;
+M: f recompile [ f ] { } map>assoc ;
 
 ! Trivial compiler. We don't want to touch the code heap
 ! during stage1 bootstrap, it would just waste time.
diff --git a/core/parser/parser.factor b/core/parser/parser.factor
index c4401748cf..38cb4869ab 100644
--- a/core/parser/parser.factor
+++ b/core/parser/parser.factor
@@ -160,6 +160,7 @@ SYMBOL: interactive-vocabs
     "assocs"
     "combinators"
     "compiler"
+    "compiler.errors"
     "compiler.units"
     "continuations"
     "debugger"
@@ -190,7 +191,6 @@ SYMBOL: interactive-vocabs
     "tools.annotations"
     "tools.crossref"
     "tools.disassembler"
-    "tools.errors"
     "tools.memory"
     "tools.profiler"
     "tools.test"