diff --git a/api/core/workflow/generator/utils/edge_repair.py b/api/core/workflow/generator/utils/edge_repair.py
index c1f37ae011..f067b88220 100644
--- a/api/core/workflow/generator/utils/edge_repair.py
+++ b/api/core/workflow/generator/utils/edge_repair.py
@@ -59,8 +59,6 @@ class EdgeRepair:
         repairs: list[str] = []
         warnings: list[str] = []
 
-        logger.info("[EdgeRepair] Starting repair: %d nodes, %d edges", len(nodes), len(edges))
-
         # Build node lookup
         node_map = {n.get("id"): n for n in nodes if n.get("id")}
         node_ids = set(node_map.keys())
@@ -121,12 +119,6 @@ class EdgeRepair:
         edges.extend(new_edges)
         repairs.extend(terminal_repairs)
 
-        logger.info("[EdgeRepair] Completed: %d repairs made, %d warnings", len(repairs), len(warnings))
-        for r in repairs:
-            logger.info("[EdgeRepair] Repair: %s", r)
-        for w in warnings:
-            logger.info("[EdgeRepair] Warning: %s", w)
-
         return RepairResult(
             nodes=nodes,
             edges=edges,
@@ -157,7 +149,6 @@ class EdgeRepair:
             edges.append({"source": src, "target": tgt})
             repairs.append(f"Inferred edge: {src} -> {tgt}")
 
-        logger.info("[EdgeRepair] Inferred %d edges from node order (no edges provided)", len(edges))
         return edges, repairs
 
     @classmethod
diff --git a/api/core/workflow/generator/utils/mermaid_generator.py b/api/core/workflow/generator/utils/mermaid_generator.py
index 135b5aa95d..d00c6be1e7 100644
--- a/api/core/workflow/generator/utils/mermaid_generator.py
+++ b/api/core/workflow/generator/utils/mermaid_generator.py
@@ -17,22 +17,6 @@ def generate_mermaid(workflow_data: dict[str, Any]) -> str:
     nodes = workflow_data.get("nodes", [])
     edges = workflow_data.get("edges", [])
 
-    # DEBUG: Log input data
-    logger.debug("[MERMAID] Input nodes count: %d", len(nodes))
-    logger.debug("[MERMAID] Input edges count: %d", len(edges))
-    for i, node in enumerate(nodes):
-        logger.debug(
-            "[MERMAID] Node %d: id=%s, type=%s, title=%s", i, node.get("id"), node.get("type"), node.get("title")
-        )
-    for i, edge in enumerate(edges):
-        logger.debug(
-            "[MERMAID] Edge %d: source=%s, target=%s, sourceHandle=%s",
-            i,
-            edge.get("source"),
-            edge.get("target"),
-            edge.get("sourceHandle"),
-        )
-
     lines = ["flowchart TD"]
 
     # 1. Define Nodes
@@ -98,14 +82,6 @@ def generate_mermaid(workflow_data: dict[str, Any]) -> str:
             continue
 
         if source not in defined_node_ids or target not in defined_node_ids:
-            # Log skipped edges for debugging
-            logger.warning(
-                "[MERMAID] Skipping edge: source=%s (exists=%s), target=%s (exists=%s)",
-                source,
-                source in defined_node_ids,
-                target,
-                target in defined_node_ids,
-            )
             continue
 
         safe_source = id_map.get(source, source)
@@ -127,12 +103,10 @@ def generate_mermaid(workflow_data: dict[str, Any]) -> str:
             label = f"|{safe_handle}|"
 
         edge_line = f"  {safe_source} -->{label} {safe_target}"
-        logger.debug("[MERMAID] Adding edge: %s", edge_line)
         lines.append(edge_line)
 
     # Start/End nodes are implicitly handled if they are in the 'nodes' list
     # If not, we might need to add them, but usually the Builder should produce them.
 
     result = "\n".join(lines)
-    logger.debug("[MERMAID] Final output:\n%s", result)
     return result
diff --git a/api/core/workflow/generator/utils/node_repair.py b/api/core/workflow/generator/utils/node_repair.py
index fa4d337635..e8144767b4 100644
--- a/api/core/workflow/generator/utils/node_repair.py
+++ b/api/core/workflow/generator/utils/node_repair.py
@@ -56,8 +56,6 @@ class NodeRepair:
         repairs: list[str] = []
         warnings: list[str] = []
 
-        logger.info("[NodeRepair] Starting repair: %d nodes", len(nodes))
-
         for node in nodes:
             node_type = node.get("type")
 
@@ -66,11 +64,6 @@ class NodeRepair:
 
             # Add other node type repairs here as needed
 
-        if repairs:
-            logger.info("[NodeRepair] Completed: %d repairs made", len(repairs))
-            for r in repairs:
-                logger.info("[NodeRepair] Repair: %s", r)
-
         return NodeRepairResult(
             nodes=nodes,
             repairs_made=repairs,