diff --git a/config.mak.uname b/config.mak.uname
index a54b412b2b..c25788a97f 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -380,7 +380,6 @@ ifeq ($(uname_S),Windows)
 	NO_REGEX = YesPlease
 	NO_GETTEXT = YesPlease
 	NO_PYTHON = YesPlease
-	BLK_SHA1 = YesPlease
 	ETAGS_TARGET = ETAGS
 	NO_INET_PTON = YesPlease
 	NO_INET_NTOP = YesPlease