diff --git a/modules/sd_models.py b/modules/sd_models.py
index 4de59bf4..b7c1d90d 100644
--- a/modules/sd_models.py
+++ b/modules/sd_models.py
@@ -378,13 +378,6 @@ def load_model_weights(model, checkpoint_info: CheckpointInfo, state_dict, timer
     if state_dict is None:
         state_dict = get_checkpoint_state_dict(checkpoint_info, timer)
 
-    model.is_sdxl = hasattr(model, 'conditioner')
-    model.is_sd2 = not model.is_sdxl and hasattr(model.cond_stage_model, 'model')
-    model.is_sd1 = not model.is_sdxl and not model.is_sd2
-    model.is_ssd = model.is_sdxl and 'model.diffusion_model.middle_block.1.transformer_blocks.0.attn1.to_q.weight' not in model.state_dict().keys()
-    if model.is_sdxl:
-        sd_models_xl.extend_sdxl(model)
-
     if shared.opts.sd_checkpoint_cache > 0:
         # cache newly loaded model
         checkpoints_loaded[checkpoint_info] = state_dict.copy()