diff --git a/LibOS/shim/test/benchmark/Makefile b/LibOS/shim/test/benchmark/Makefile
index 3fa921c6..9df39459 100644
--- a/LibOS/shim/test/benchmark/Makefile
+++ b/LibOS/shim/test/benchmark/Makefile
@@ -8,8 +8,6 @@ include ../../../../Makefile.configs
 include ../../../../Makefile.rules
 include ../Makefile.Test
 
-CFLAGS-libos = -L../../../glibc-build/libos -I../../include
-
 %.manifest: %.manifest.template
 	rm -rf $@
 	cp $@.template $@