diff --git a/cython/gtsam_unstable/__init__.py.in b/cython/gtsam_unstable/__init__.py.in
deleted file mode 100644
index 85f7c3df2..000000000
--- a/cython/gtsam_unstable/__init__.py.in
+++ /dev/null
@@ -1 +0,0 @@
-${GTSAM_UNSTABLE_IMPORT}