diff --git a/.gitignore b/.gitignore
index a4581675654c..ad24099d5121 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,7 +17,6 @@ Testing/
 Packages/*
 build/*
 build_*/
-core
 cscope.out
 cscope.in.out
 cscope.po.out