diff --git a/.gitignore b/.gitignore
index c9068368180..b62c2ef440c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 *.o
+*.gcno
 *.class
 *doxygen_xml
 *_wrap.h
diff --git a/src/Makefile.template b/src/Makefile.template
index d189da60e9d..f7878bb1adf 100644
--- a/src/Makefile.template
+++ b/src/Makefile.template
@@ -163,6 +163,7 @@ swigdocclean:
 
 clean: swigclean swigdocclean
 	@rm -f $(shell find . -name "*.cpp.o" -o -name "*.c.o")
+	@rm -f $(shell find . -name "*.gcno")
 	@rm -f $(shell find . -name "*.a" -o -name "*.so*" -o -name "*.dylib" -o -name "*.dll" -o -name "*~" -o -name ".#*")
 	@rm -f $(SRCTMPFILES)
 	@rm -f $(shell find . -type f -name '*.py' ! -name '__*.py' ! -name '*.*.py' | grep -v svn)