diff --git a/.hgignore b/.hgignore
index 6c488c911..09fa683b8 100644
--- a/.hgignore
+++ b/.hgignore
@@ -11,3 +11,6 @@ m5out
 src/doxygen
 ext/dramsim2/DRAMSim2
 ext/mcpat/regression/*/*.out
+util/m5/*.o
+util/m5/*.a
+util/m5/m5