diff --git a/.gitmodules b/.gitmodules
index 3e3d7e2c..1ae6c2fe 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,6 @@
 [submodule "contrib/miniupnp"]
 	path = contrib/miniupnp
 	url = https://github.com/miniupnp/miniupnp
-[submodule "contrib/db/libmdbx"]
-	path = contrib/db/libmdbx
-	url = https://github.com/leo-yuriev/libmdbx.git
 [submodule "src/gui/qt-daemon/layout"]
 	path = src/gui/qt-daemon/layout
 	url = https://github.com/hyle-team/zano_ui.git