diff --git a/.gitmodules b/.gitmodules
index faf69b9..e69de29 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "lib/protein-sequence-models"]
-	path = lib/protein-sequence-models
-	url = https://github.com/microsoft/protein-sequence-models.git
diff --git a/lib/protein-sequence-models b/lib/protein-sequence-models
deleted file mode 160000
index 546beca..0000000
--- a/lib/protein-sequence-models
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 546beca9480e0f5c9f6cda9b3506183885e01f24