diff --git a/basis/images/bitmap/bitmap.factor b/basis/images/bitmap/bitmap.factor
index a59d276d7f..1ba18f56a5 100755
--- a/basis/images/bitmap/bitmap.factor
+++ b/basis/images/bitmap/bitmap.factor
@@ -3,7 +3,7 @@
 USING: accessors alien alien.c-types arrays byte-arrays columns
 combinators fry grouping io io.binary io.encodings.binary io.files
 kernel macros math math.bitwise math.functions namespaces sequences
-strings images endian summary bitstreams ;
+strings images endian summary ;
 IN: images.bitmap
 
 : assert-sequence= ( a b -- )