diff --git a/repository/Grease-Squeak-Core.package/GRSqueakPlatform.class/instance/binaryWriteStreamFor.do..st b/repository/Grease-Squeak-Core.package/GRSqueakPlatform.class/instance/binaryWriteStreamFor.do..st
deleted file mode 100644
index dbf0bbef..00000000
--- a/repository/Grease-Squeak-Core.package/GRSqueakPlatform.class/instance/binaryWriteStreamFor.do..st
+++ /dev/null
@@ -1,8 +0,0 @@
-file library
-binaryWriteStreamFor: aFileReference do: aBlock
-	"Open a binary writeStream for aFileReference and evaluate aBlock
-	with the stream as argument.
-	The stream will be closed after the block has completed."
-	FileDirectory default
-		fileNamed: aFileReference fullName
-		do: aBlock
\ No newline at end of file