diff --git a/src/3rdParty/libE57Format/.gitmodules b/src/3rdParty/libE57Format/.gitmodules
index e1d94a986f..e69de29bb2 100644
--- a/src/3rdParty/libE57Format/.gitmodules
+++ b/src/3rdParty/libE57Format/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "test/extern/googletest"]
-	path = test/extern/googletest
-	url = https://github.com/google/googletest
diff --git a/src/3rdParty/libE57Format/test/extern/googletest b/src/3rdParty/libE57Format/test/extern/googletest
deleted file mode 160000
index fa6de7f438..0000000000
--- a/src/3rdParty/libE57Format/test/extern/googletest
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit fa6de7f4382f5c8fb8b9e32eea28a2eb44966c32