diff --git a/lldb/test/functionalities/load_unload/Makefile b/lldb/test/functionalities/load_unload/Makefile
index 396ead6f8a15..edef3868f728 100644
--- a/lldb/test/functionalities/load_unload/Makefile
+++ b/lldb/test/functionalities/load_unload/Makefile
@@ -1,9 +1,6 @@
 all: a.out liba.dylib libb.dylib libc.dylib libd.dylib
 
-CC ?= gcc
-ifeq "$(CC)" "cc"
-	CC = gcc
-endif
+CC ?= clang
 CFLAGS ?=-arch x86_64 -gdwarf-2 -O0
 CWD := $(shell pwd)
 
diff --git a/lldb/test/macosx/universal/Makefile b/lldb/test/macosx/universal/Makefile
index b9b1177abe8a..f42aee9e3467 100644
--- a/lldb/test/macosx/universal/Makefile
+++ b/lldb/test/macosx/universal/Makefile
@@ -1,7 +1,4 @@
-CC ?= gcc
-ifeq "$(CC)" "cc"
-	CC = gcc
-endif
+CC ?= clang
 
 testit: testit.i386 testit.x86_64
 	lipo -create -o testit testit.i386 testit.x86_64