diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 9d85d45..0000000
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diff --git a/Data/.DS_Store b/Data/.DS_Store
deleted file mode 100644
index 5008ddf..0000000
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diff --git a/IO/.DS_Store b/IO/.DS_Store
deleted file mode 100644
index 5008ddf..0000000
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diff --git a/PCA/PCAmovies.py b/PCA/PCAmovies.py
index 8f51b59..76e5cec 100644
--- a/PCA/PCAmovies.py
+++ b/PCA/PCAmovies.py
@@ -568,8 +568,9 @@ def bond_interactive(self,rho_index=None,frac:float=0.75,
              'rho_index':rho_index,
              'file':os.path.join(self.molsys.directory,'xtc_temp')}
         
-        chimera=self.pca.project.chimera
-        chimera.CMX.add_event(chimera.CMXid,'PCAtraj',out)
+        CMXid=self.molsys.movie.CMXid
+        CMX=self.molsys.movie.CMX
+        CMX.add_event(CMXid,'PCAtraj',out)
         
         
         if self.thread is not None:self.thread.stop()
diff --git a/Project/.DS_Store b/Project/.DS_Store
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index 5008ddf..0000000
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diff --git a/chimeraX/.DS_Store b/chimeraX/.DS_Store
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diff --git a/misc/.DS_Store b/misc/.DS_Store
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diff --git a/pdbs/.DS_Store b/pdbs/.DS_Store
deleted file mode 100644
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diff --git a/tests/.DS_Store b/tests/.DS_Store
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