diff --git a/scripts/simplify_network.py b/scripts/simplify_network.py
index 8663faa3..4830b87b 100644
--- a/scripts/simplify_network.py
+++ b/scripts/simplify_network.py
@@ -361,8 +361,8 @@ if __name__ == "__main__":
     if snakemake.wildcards.simpl:
         n, cluster_map = cluster(n, int(snakemake.wildcards.simpl))
         busmaps.append(cluster_map)
-
-    n.buses = n.buses.drop(['substation_lv', 'substation_off', 'under_construction'], axis=1)
+    else:
+        n.buses = n.buses.drop(['symbol', 'tags', 'under_construction', 'substation_lv', 'substation_off'], axis=1)
     n.export_to_netcdf(snakemake.output.network)
 
     busmap_s = reduce(lambda x, y: x.map(y), busmaps[1:], busmaps[0])