diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 6cbbc32466e..db0125b556f 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -1959,7 +1959,7 @@ clean mostlyclean: $(CONFIG_CLEAN)
 # functionality described is if the distributed files are unmodified.
 distclean: clean
 	@$(MAKE) $(FLAGS_TO_PASS) DO=distclean "DODIRS=$(CLEANDIRS)" subdir_do
-	rm -f nm.h config.status config.h stamp-h b jit-reader.h
+	rm -f nm.h config.status config.h stamp-h b jit-reader.h gcore stamp-nmh
 	rm -f gdb-gdb.py gdb-gdb.gdb
 	rm -f y.output yacc.acts yacc.tmp y.tab.h
 	rm -f config.log config.cache
diff --git a/gdb/testsuite/Makefile.in b/gdb/testsuite/Makefile.in
index 0bfcbdc3205..790b9e022cc 100644
--- a/gdb/testsuite/Makefile.in
+++ b/gdb/testsuite/Makefile.in
@@ -353,7 +353,7 @@ clean mostlyclean:
 
 distclean maintainer-clean realclean: clean
 	-rm -f *~ core
-	-rm -f Makefile config.status *-init.exp
+	-rm -f Makefile config.status *-init.exp lib/pdtrace
 	-rm -fr *.log summary detail *.plog *.sum *.psum site.*
 
 Makefile : Makefile.in config.status $(host_makefile_frag)