diff --git a/.dockerignore b/.dockerignore
deleted file mode 100644
index d114ba901dc2b..0000000000000
--- a/.dockerignore
+++ /dev/null
@@ -1,10 +0,0 @@
-.git/
-bazel-bin/
-bazel-out/
-bazel-tidb/
-bazel-testlogs/
-bin/
-tidb-server/tidb-server
-*.test.bin
-cmd/
-Dockerfile