diff -Nur libopkele-2.0.4.orig/include/opkele/iterator.h libopkele-2.0.4/include/opkele/iterator.h
--- libopkele-2.0.4.orig/include/opkele/iterator.h	2009-08-31 05:57:35.000000000 -0600
+++ libopkele-2.0.4/include/opkele/iterator.h	2015-07-05 19:37:07.826245034 -0600
@@ -159,12 +159,6 @@
 			if(!found) empty=true;
 			return *this;
 		    }
-		    basic_filterator<IT> operator++(int) {
-			basic_filterator<IT> rv(*this);
-			++(*this);
-			return rv;
-		    }
-
 		    void prepare() {
 			bool found = false;
 			for(;!(it==ei || (found=is_interesting()));++it) ;