diff --git a/tools/testing/selftests/futex/functional/Makefile b/tools/testing/selftests/futex/functional/Makefile
index 9a8c3700d7738..b8152c573e8aa 100644
--- a/tools/testing/selftests/futex/functional/Makefile
+++ b/tools/testing/selftests/futex/functional/Makefile
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
-INCLUDES := -I../include -I../../ -I../../../../../usr/include/ \
-	-I$(KBUILD_OUTPUT)/kselftest/usr/include
-CFLAGS := $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES)
+INCLUDES := -I../include -I../../ -I../../../../../usr/include/
+CFLAGS := $(CFLAGS) -g -O2 -Wall -D_GNU_SOURCE -pthread $(INCLUDES) $(KHDR_INCLUDES)
 LDLIBS := -lpthread -lrt
 
 HEADERS := \