diff --git a/web/app/components/sub-graph/hooks/use-sub-graph-persistence.ts b/web/app/components/sub-graph/hooks/use-sub-graph-persistence.ts
index 70a5f9a151..ee54000b9c 100644
--- a/web/app/components/sub-graph/hooks/use-sub-graph-persistence.ts
+++ b/web/app/components/sub-graph/hooks/use-sub-graph-persistence.ts
@@ -65,17 +65,6 @@ export const useSubGraphPersistence = ({
     })
   }, [getSubGraphDataKey, inputs, setInputs])
 
-  const clearSubGraphData = useCallback(() => {
-    const dataKey = getSubGraphDataKey()
-    const newToolParameters = { ...inputs.tool_parameters }
-    delete newToolParameters[dataKey]
-
-    setInputs({
-      ...inputs,
-      tool_parameters: newToolParameters,
-    })
-  }, [getSubGraphDataKey, inputs, setInputs])
-
   const hasSubGraphData = useCallback(() => {
     const dataKey = getSubGraphDataKey()
     const toolParameters = inputs.tool_parameters || {}
@@ -120,7 +109,6 @@ export const useSubGraphPersistence = ({
   return {
     loadSubGraphData,
     saveSubGraphData,
-    clearSubGraphData,
     hasSubGraphData,
     updateSubGraphConfig,
     updateSubGraphNodes,
diff --git a/web/app/components/workflow/nodes/tool/components/mixed-variable-text-input/index.tsx b/web/app/components/workflow/nodes/tool/components/mixed-variable-text-input/index.tsx
index 1f8ea1adb5..64d6330f43 100644
--- a/web/app/components/workflow/nodes/tool/components/mixed-variable-text-input/index.tsx
+++ b/web/app/components/workflow/nodes/tool/components/mixed-variable-text-input/index.tsx
@@ -69,7 +69,6 @@ const MixedVariableTextInput = ({
   const {
     loadSubGraphData,
     updateSubGraphNodes,
-    clearSubGraphData,
   } = useSubGraphPersistence({
     toolNodeId: toolNodeId || '',
     paramKey: paramKey || '',
@@ -126,10 +125,8 @@ const MixedVariableTextInput = ({
     }).trim()
 
     onChange(valueWithoutAgentVars, VarKindTypeEnum.mixed, null)
-    if (toolNodeId && paramKey)
-      clearSubGraphData()
     setControlPromptEditorRerenderKey(Date.now())
-  }, [clearSubGraphData, detectedAgentFromValue?.nodeId, onChange, paramKey, setControlPromptEditorRerenderKey, toolNodeId, value])
+  }, [detectedAgentFromValue?.nodeId, onChange, paramKey, setControlPromptEditorRerenderKey, toolNodeId, value])
 
   const handleAgentSelect = useCallback((agent: AgentNode) => {
     if (!onChange)