diff --git a/config.mak.uname b/config.mak.uname
index eb4a39e753..8640b2842e 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -397,7 +397,6 @@ ifeq ($(uname_S),Windows)
 	NO_REGEX = YesPlease
 	NO_GETTEXT = YesPlease
 	NO_PYTHON = YesPlease
-	BLK_SHA1 = YesPlease
 	ETAGS_TARGET = ETAGS
 	NO_POSIX_GOODIES = UnfortunatelyYes
 	NATIVE_CRLF = YesPlease