diff --git a/Makefile.in b/Makefile.in
index 312428990..8512e00f5 100755
--- a/Makefile.in
+++ b/Makefile.in
@@ -930,7 +930,7 @@ clean: clean_docs
 
 
 realclean: clean realclean_docs
-	rm -f yap@EXEC_SUFFIX@ startup.yss config.log config.cache config.h
+	rm -f yap@EXEC_SUFFIX@ startup.yss libYap.* Makefile *.h config.log config.status config.cache
 
 dist:
 
diff --git a/library/Makefile.in b/library/Makefile.in
index 4138992df..06f4aab56 100644
--- a/library/Makefile.in
+++ b/library/Makefile.in
@@ -112,3 +112,5 @@ install: $(PROGRAMS)
 	for p in $(DIALECT_SWI); do $(INSTALL_DATA) $$p $(DESTDIR)$(SHAREDIR)/Yap/dialect/swi; done
 	for p in $(DIALECT_BP); do $(INSTALL_DATA) $$p $(DESTDIR)$(SHAREDIR)/Yap/dialect/bprolog; done
 
+realclean:
+	rm -f *def Makefile