diff --git a/core/compiler/errors/authors.txt b/basis/compiler/errors/authors.txt
similarity index 100%
rename from core/compiler/errors/authors.txt
rename to basis/compiler/errors/authors.txt
diff --git a/core/compiler/errors/errors-docs.factor b/basis/compiler/errors/errors-docs.factor
similarity index 100%
rename from core/compiler/errors/errors-docs.factor
rename to basis/compiler/errors/errors-docs.factor
diff --git a/core/compiler/errors/errors.factor b/basis/compiler/errors/errors.factor
similarity index 100%
rename from core/compiler/errors/errors.factor
rename to basis/compiler/errors/errors.factor
diff --git a/core/compiler/errors/summary.txt b/basis/compiler/errors/summary.txt
similarity index 100%
rename from core/compiler/errors/summary.txt
rename to basis/compiler/errors/summary.txt
diff --git a/core/bootstrap/syntax-docs.factor b/core/bootstrap/syntax-docs.factor
new file mode 100644
index 0000000000..e69de29bb2
diff --git a/core/parser/parser.factor b/core/parser/parser.factor
index 62a8e01c44..c4401748cf 100644
--- a/core/parser/parser.factor
+++ b/core/parser/parser.factor
@@ -1,10 +1,11 @@
 ! Copyright (C) 2005, 2009 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: arrays definitions generic assocs kernel math namespaces
-sequences strings vectors words words.symbol quotations io combinators
-sorting splitting math.parser effects continuations io.files vocabs
-io.encodings.utf8 source-files classes hashtables compiler.errors
-compiler.units accessors sets lexer vocabs.parser effects.parser slots ;
+sequences strings vectors words words.symbol quotations io
+combinators sorting splitting math.parser effects continuations
+io.files vocabs io.encodings.utf8 source-files classes
+hashtables compiler.units accessors sets lexer vocabs.parser
+effects.parser slots ;
 IN: parser
 
 : location ( -- loc )
@@ -159,7 +160,6 @@ SYMBOL: interactive-vocabs
     "assocs"
     "combinators"
     "compiler"
-    "compiler.errors"
     "compiler.units"
     "continuations"
     "debugger"
diff --git a/core/vocabs/loader/loader.factor b/core/vocabs/loader/loader.factor
index efe8cb2675..6561c55b67 100644
--- a/core/vocabs/loader/loader.factor
+++ b/core/vocabs/loader/loader.factor
@@ -3,7 +3,7 @@
 USING: namespaces make sequences io io.files io.pathnames kernel
 assocs words vocabs definitions parser continuations hashtables
 sorting source-files arrays combinators strings system
-math.parser compiler.errors splitting init accessors sets ;
+math.parser splitting init accessors sets ;
 IN: vocabs.loader
 
 SYMBOL: vocab-roots