diff --git a/.gitmodules b/.gitmodules
index e98d7700..e68cde5e 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://abf.io/erthink/libmdbx.git
 [submodule "src/gui/qt-daemon/layout"]
 	path = src/gui/qt-daemon/layout
 	url = https://github.com/hyle-team/zano_ui.git
diff --git a/contrib/db/libmdbx b/contrib/db/libmdbx
deleted file mode 160000
index b7ed6754..00000000
--- a/contrib/db/libmdbx
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit b7ed67543fefb0878dba1c70dea2a81201041314