--- a/convoLV2/Makefile
+++ b/convoLV2/Makefile
@@ -76,9 +76,6 @@ ifneq ($(BUILDGTK), no)
 endif
 
 ifeq ($(LIBZITACONVOLVER),)
-  ifeq ($(shell test -f /usr/include/zita-convolver.h -o -f /usr/local/include/zita-convolver.h || echo no ), no)
-    $(error "libzita-convolver3 or 4, is required")
-  endif
   LOADLIBES += -lzita-convolver
 endif