diff --git a/utils.py b/utils.py
index 0a83d65..e698cd1 100644
--- a/utils.py
+++ b/utils.py
@@ -49,94 +49,10 @@ def _restore_fragile_sockets(mod, snapshot):
 
 
 def fix_lib_overrides():
-    fixed = 0
-    for obj in bpy.data.objects:
-        if not obj.modifiers:
-            continue
-        for mod in obj.modifiers:
-            if mod.type != 'NODES' or not mod.node_group:
-                continue
-            if not hasattr(mod.node_group, 'interface'):
-                continue
+    # Disabled as forcing "True" or "Index" onto generic modifier properties
+    # destroys the library overrides and clears all material assignments.
+    return 0
 
-            ng = mod.node_group
-            iface = getattr(ng, 'interface', None)
-            if not iface or not hasattr(iface, 'items_tree'):
-                continue
-
-            # Snapshot fragile sockets BEFORE any writes
-            snapshot = _snapshot_fragile_sockets(obj, mod, iface)
-
-            name_to_sid = {}
-            for item in iface.items_tree:
-                if item.item_type == 'SOCKET' and item.in_out == 'INPUT':
-                    name_to_sid[item.name] = (item.identifier, item.socket_type)
-
-            for item in iface.items_tree:
-                if item.item_type != 'SOCKET' or item.in_out != 'INPUT':
-                    continue
-                sid = item.identifier
-                if sid not in mod:
-                    continue
-                stored = mod[sid]
-                st = item.socket_type
-                tt = type(stored).__name__
-                if st == 'NodeSocketBool' and tt == 'int':
-                    mod[sid] = bool(stored)
-                    fixed += 1
-                elif st == 'NodeSocketMenu' and tt == 'int':
-                    mod[sid] = int(stored)
-                    fixed += 1
-
-            ng_name = ng.name
-            if ng_name == "Add Shader v1.0":
-                if "Filter by ID" in name_to_sid:
-                    sid = name_to_sid["Filter by ID"][0]
-                    if mod.get(sid) != True:
-                        mod[sid] = True
-                        fixed += 1
-                if "ID" in name_to_sid and name_to_sid["ID"][1] == "NodeSocketString":
-                    sid = name_to_sid["ID"][0]
-                    if mod.get(sid) != "Index":
-                        mod[sid] = "Index"
-                        fixed += 1
-            elif ng_name in ["Add Shaders by Index v1.0", "Make Material", "Make Labels"]:
-                if "ID" in name_to_sid and name_to_sid["ID"][1] == "NodeSocketString":
-                    sid = name_to_sid["ID"][0]
-                    if mod.get(sid) != "Index":
-                        mod[sid] = "Index"
-                        fixed += 1
-                if ng_name == "Make Labels" and "Shrinkwrap" in name_to_sid:
-                    sid = name_to_sid["Shrinkwrap"][0]
-                    if mod.get(sid) != True:
-                        mod[sid] = True
-                        fixed += 1
-            elif ng_name == "Make attached":
-                if "Reset Children" in name_to_sid:
-                    sid = name_to_sid["Reset Children"][0]
-                    if mod.get(sid) != True:
-                        mod[sid] = True
-                        fixed += 1
-                if "Separate Children" in name_to_sid:
-                    sid = name_to_sid["Separate Children"][0]
-                    if mod.get(sid) != True:
-                        mod[sid] = True
-                        fixed += 1
-            elif ng_name == "Proxy v1.0":
-                if "Reset Children" in name_to_sid:
-                    sid = name_to_sid["Reset Children"][0]
-                    if mod.get(sid) != True:
-                        mod[sid] = True
-                        fixed += 1
-
-            # Restore any fragile sockets that got wiped
-            restored = _restore_fragile_sockets(mod, snapshot)
-            if restored:
-                print(f"  [RESTORE] {obj.name}/{mod.name}: "
-                      f"restored {restored} Material/Object sockets")
-            fixed += restored
-
-    return fixed
 
 
 def fix_missing_images():