diff --git a/.gitmodules b/.gitmodules
index deee553d..5bbcab9f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,6 +16,3 @@
 [submodule "test"]
 	path = test
 	url = git@github.com:blockchain-jd-com/jdchain-test.git
-[submodule "database"]
-	path = database
-	url = git@git.jd.com:jd-blockchain/database.git