diff --git a/teachopencadd/talktorials/T032_compound_activity_proteochemometrics/talktorial.ipynb b/teachopencadd/talktorials/T032_compound_activity_proteochemometrics/talktorial.ipynb
index 2a17d5b1..525fdd1b 100644
--- a/teachopencadd/talktorials/T032_compound_activity_proteochemometrics/talktorial.ipynb
+++ b/teachopencadd/talktorials/T032_compound_activity_proteochemometrics/talktorial.ipynb
@@ -649,9 +649,7 @@
     "pycharm": {
      "name": "#%%\n"
     },
-    "tags": [
-     "nbshpinx-thumbnail"
-    ]
+    "tags": []
    },
    "outputs": [
     {