diff --git a/.gitignore b/.gitignore
index 38b5d55e..2c260ff1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,7 @@ config.log
 config.status
 config.sub
 configure
+*.core
 depcomp
 .deps/
 genkeymap/xrdp-genkeymap
@@ -41,6 +42,7 @@ sesman/xrdp-sesman
 sesman/sesman.ini
 *.so
 stamp-h1
+tests/common/os_calls/g_time
 xrdp/xrdp
 xrdp/xrdp.ini
 configure_params.h
diff --git a/tests/.gitignore b/tests/.gitignore
index 24600083..d5ee7c8b 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -1 +1,5 @@
 !Makefile
+# ignore generated Makefiles
+/Makefile
+common/Makefile
+common/os_calls/Makefile