diff --git a/core/io/streams/string/authors.txt b/basis/io/streams/string/authors.txt
similarity index 100%
rename from core/io/streams/string/authors.txt
rename to basis/io/streams/string/authors.txt
diff --git a/core/io/streams/string/string-docs.factor b/basis/io/streams/string/string-docs.factor
similarity index 100%
rename from core/io/streams/string/string-docs.factor
rename to basis/io/streams/string/string-docs.factor
diff --git a/core/io/streams/string/string-tests.factor b/basis/io/streams/string/string-tests.factor
similarity index 100%
rename from core/io/streams/string/string-tests.factor
rename to basis/io/streams/string/string-tests.factor
diff --git a/core/io/streams/string/string.factor b/basis/io/streams/string/string.factor
similarity index 100%
rename from core/io/streams/string/string.factor
rename to basis/io/streams/string/string.factor
diff --git a/core/io/streams/string/summary.txt b/basis/io/streams/string/summary.txt
similarity index 100%
rename from core/io/streams/string/summary.txt
rename to basis/io/streams/string/summary.txt
diff --git a/core/checksums/crc32/crc32.factor b/core/checksums/crc32/crc32.factor
index d373a96f39..43f7a2b89e 100644
--- a/core/checksums/crc32/crc32.factor
+++ b/core/checksums/crc32/crc32.factor
@@ -1,7 +1,7 @@
 ! Copyright (C) 2006 Doug Coleman
 ! See http://factorcode.org/license.txt for BSD license.
 USING: kernel math sequences sequences.private namespaces
-words io io.binary io.files io.streams.string quotations
+words io io.binary io.files quotations
 definitions checksums ;
 IN: checksums.crc32
 
diff --git a/core/parser/parser.factor b/core/parser/parser.factor
index d7f7bba7f6..f862885339 100644
--- a/core/parser/parser.factor
+++ b/core/parser/parser.factor
@@ -3,7 +3,7 @@
 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 io.streams.string vocabs io.encodings.utf8 source-files
+io.files vocabs io.encodings.utf8 source-files
 classes hashtables compiler.errors compiler.units accessors sets
 lexer vocabs.parser ;
 IN: parser