diff --git a/tools/ani/Makefile b/tools/ani/Makefile
index 34018e0fc..e0bd3f52f 100644
--- a/tools/ani/Makefile
+++ b/tools/ani/Makefile
@@ -2,9 +2,7 @@ unani: unani.c unani.h
 	gcc -W -Wall -g -O0 unani.c -o unani -lpng
 
 clean:
-	[ ! -f unani.exe ] || rm unani.exe
-	[ ! -f unani ] || rm unani
-	rm unani.tgz
+	rm -f unani unani.exe unani.tgz
 
 tgz: unani.c unani.h Makefile
 	tar -cvzf unani.tgz unani.c unani.h Makefile