diff --git a/api/core/workflow/nodes/knowledge_index/knowledge_index_node.py b/api/core/workflow/nodes/knowledge_index/knowledge_index_node.py
index 1d60f530a1..ac3a194cdd 100644
--- a/api/core/workflow/nodes/knowledge_index/knowledge_index_node.py
+++ b/api/core/workflow/nodes/knowledge_index/knowledge_index_node.py
@@ -46,7 +46,7 @@ class KnowledgeIndexNode(Node[KnowledgeIndexNodeData]):
         self.index_processor = IndexProcessor()
         self.summary_index_service = SummaryIndex()
 
-    def _run(self) -> NodeRunResult:  # type: ignore
+    def _run(self) -> NodeRunResult:
         node_data = self.node_data
         variable_pool = self.graph_runtime_state.variable_pool
 
diff --git a/api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py b/api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py
index 1aba2737b0..e161796210 100644
--- a/api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py
+++ b/api/core/workflow/nodes/knowledge_retrieval/knowledge_retrieval_node.py
@@ -134,7 +134,7 @@ class KnowledgeRetrievalNode(LLMUsageTrackingMixin, Node[KnowledgeRetrievalNodeD
                 status=WorkflowNodeExecutionStatus.SUCCEEDED,
                 inputs=variables,
                 process_data={"usage": jsonable_encoder(usage)},
-                outputs=outputs,  # type: ignore
+                outputs=outputs,
                 metadata={
                     WorkflowNodeExecutionMetadataKey.TOTAL_TOKENS: usage.total_tokens,
                     WorkflowNodeExecutionMetadataKey.TOTAL_PRICE: usage.total_price,