diff --git a/comfy/sd.py b/comfy/sd.py
index ce17994f7..fa7bd8d32 100644
--- a/comfy/sd.py
+++ b/comfy/sd.py
@@ -743,7 +743,7 @@ def load_controlnet(ckpt_path, model=None):
                                         use_spatial_transformer=True,
                                         transformer_depth=1,
                                         context_dim=context_dim,
-                                        use_checkpoint=True,
+                                        use_checkpoint=False,
                                         legacy=False,
                                         use_fp16=use_fp16)
     else:
@@ -760,7 +760,7 @@ def load_controlnet(ckpt_path, model=None):
                                         use_linear_in_transformer=True,
                                         transformer_depth=1,
                                         context_dim=context_dim,
-                                        use_checkpoint=True,
+                                        use_checkpoint=False,
                                         legacy=False,
                                         use_fp16=use_fp16)
     if pth:
@@ -1045,7 +1045,7 @@ def load_checkpoint_guess_config(ckpt_path, output_vae=True, output_clip=True, o
     }
 
     unet_config = {
-        "use_checkpoint": True,
+        "use_checkpoint": False,
         "image_size": 32,
         "out_channels": 4,
         "attention_resolutions": [
diff --git a/web/scripts/app.js b/web/scripts/app.js
index 64adc3e6a..8a9c7ca49 100644
--- a/web/scripts/app.js
+++ b/web/scripts/app.js
@@ -1010,6 +1010,11 @@ export class ComfyApp {
 		const app = this;
 		// Load node definitions from the backend
 		const defs = await api.getNodeDefs();
+		await this.registerNodesFromDefs(defs);
+		await this.#invokeExtensionsAsync("registerCustomNodes");
+	}
+
+    async registerNodesFromDefs(defs) {
 		await this.#invokeExtensionsAsync("addCustomNodeDefs", defs);
 
 		// Generate list of known widgets
@@ -1082,8 +1087,6 @@ export class ComfyApp {
 			LiteGraph.registerNodeType(nodeId, node);
 			node.category = nodeData.category;
 		}
-
-		await this.#invokeExtensionsAsync("registerCustomNodes");
 	}
 
 	/**