diff --git a/demos/evp/Makefile b/demos/evp/Makefile
index 3a85b223a8..c2e10a1ded 100644
--- a/demos/evp/Makefile
+++ b/demos/evp/Makefile
@@ -11,10 +11,13 @@
 CFLAGS = $(OPENSSL_INCS_LOCATION)
 LDFLAGS = $(OPENSSL_LIBS_LOCATION) -lssl -lcrypto
 
-all: aesccm aesgcm 
+all: aesccm aesgcm
 
 aesccm: aesccm.o
 aesgcm: aesgcm.o
 
 aesccm aesgcm:
 	$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
+
+clean:
+	$(RM) aesccm aesgcm *.o