diff --git a/facemap/gui/gui.py b/facemap/gui/gui.py
index 34d4059..10f6814 100644
--- a/facemap/gui/gui.py
+++ b/facemap/gui/gui.py
@@ -35,9 +35,7 @@
 
 from facemap import process, roi, utils
 from facemap.gui import (
-    cluster,
     guiparts,
-    help_windows,
     io,
     menus,
     neural_activity_window,
diff --git a/facemap/gui/ops_user.npy b/facemap/gui/ops_user.npy
index 635607e..e1ba391 100755
Binary files a/facemap/gui/ops_user.npy and b/facemap/gui/ops_user.npy differ
diff --git a/facemap/process.py b/facemap/process.py
index ff4bef9..1d46e19 100644
--- a/facemap/process.py
+++ b/facemap/process.py
@@ -460,7 +460,6 @@ def process_ROIs(
                             M[0][t : t + imbin_mot.shape[0]] += imbin_mot.sum(axis=-1)
                             imall_mot[:, ir[ii]] = imbin_mot - avgmotion[ii].flatten()
                         if movSVD:
-                            M = []
                             imall_mov[:, ir[ii]] = imbin_mov - avgframe[ii].flatten()
                 if nroi > 0 and wmot.size > 0:
                     wmot = np.array(wmot).astype(int)