diff --git a/GNUmakefile b/GNUmakefile
index 758285a..d3b3e4b 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -58,7 +58,6 @@ ifeq ($(GNUSTEP_TARGET_OS), cygwin)
 THREADING = win32
 endif
 ifeq ($(findstring darwin, $(GNUSTEP_TARGET_OS)), darwin)      
-THREADING = single
 INTERNAL_CFLAGS += -no-cpp-precomp
 INTERNAL_OBJCFLAGS += -no-cpp-precomp
 endif