diff --git a/web/app/components/workflow/nodes/parameter-extractor/use-config.ts b/web/app/components/workflow/nodes/parameter-extractor/use-config.ts
index c7535de38e..045737b230 100644
--- a/web/app/components/workflow/nodes/parameter-extractor/use-config.ts
+++ b/web/app/components/workflow/nodes/parameter-extractor/use-config.ts
@@ -17,9 +17,6 @@ import useNodeCrud from '@/app/components/workflow/nodes/_base/hooks/use-node-cr
 import { checkHasQueryBlock } from '@/app/components/base/prompt-editor/constants'
 import useAvailableVarList from '@/app/components/workflow/nodes/_base/hooks/use-available-var-list'
 import { supportFunctionCall } from '@/utils/tool-call'
-import { mergeValidCompletionParams } from '@/utils/completion-params'
-import { fetchModelParameterRules } from '@/service/common'
-import Toast from '@/app/components/base/toast'
 
 const useConfig = (id: string, payload: ParameterExtractorNodeType) => {
   const { nodesReadOnly: readOnly } = useNodesReadOnly()
@@ -120,31 +117,16 @@ const useConfig = (id: string, payload: ParameterExtractorNodeType) => {
   } = useModelListAndDefaultModelAndCurrentProviderAndModel(ModelTypeEnum.textGeneration)
 
   const handleModelChanged = useCallback((model: { provider: string; modelId: string; mode?: string }) => {
-    (async () => {
-      const newInputs = produce(inputRef.current, (draft) => {
-        draft.model.provider = model.provider
-        draft.model.name = model.modelId
-        draft.model.mode = model.mode!
-        const isModeChange = model.mode !== inputRef.current.model?.mode
-        if (isModeChange && defaultConfig && Object.keys(defaultConfig).length > 0)
-          appendDefaultPromptConfig(draft, defaultConfig, model.mode === 'chat')
-      })
-
-      // filter completion params
-      try {
-        const url = `/workspaces/current/model-providers/${model.provider}/models/parameter-rules?model=${model.modelId}`
-        const { data: parameterRules } = await fetchModelParameterRules(url)
-        const { params: filtered, removedDetails } = mergeValidCompletionParams(inputRef.current.model.completion_params, parameterRules ?? [])
-        if (Object.keys(removedDetails).length)
-          Toast.notify({ type: 'warning', message: `${t('common.modelProvider.parametersInvalidRemoved')}: ` + Object.entries(removedDetails).map(([k, reason]) => `${k} (${reason})`).join(', ') })
-        newInputs.model.completion_params = filtered
-      }
-      catch {
-        // ignore errors
-      }
-      setInputs(newInputs)
-      setModelChanged(true)
-    })()
+    const newInputs = produce(inputRef.current, (draft) => {
+      draft.model.provider = model.provider
+      draft.model.name = model.modelId
+      draft.model.mode = model.mode!
+      const isModeChange = model.mode !== inputRef.current.model?.mode
+      if (isModeChange && defaultConfig && Object.keys(defaultConfig).length > 0)
+        appendDefaultPromptConfig(draft, defaultConfig, model.mode === 'chat')
+    })
+    setInputs(newInputs)
+    setModelChanged(true)
   }, [setInputs, defaultConfig, appendDefaultPromptConfig])
 
   useEffect(() => {
diff --git a/web/app/components/workflow/nodes/question-classifier/use-config.ts b/web/app/components/workflow/nodes/question-classifier/use-config.ts
index 056bacd84c..7df8293b40 100644
--- a/web/app/components/workflow/nodes/question-classifier/use-config.ts
+++ b/web/app/components/workflow/nodes/question-classifier/use-config.ts
@@ -15,9 +15,6 @@ import useOneStepRun from '@/app/components/workflow/nodes/_base/hooks/use-one-s
 import { useModelListAndDefaultModelAndCurrentProviderAndModel } from '@/app/components/header/account-setting/model-provider-page/hooks'
 import { ModelTypeEnum } from '@/app/components/header/account-setting/model-provider-page/declarations'
 import { checkHasQueryBlock } from '@/app/components/base/prompt-editor/constants'
-import { mergeValidCompletionParams } from '@/utils/completion-params'
-import { fetchModelParameterRules } from '@/service/common'
-import Toast from '@/app/components/base/toast'
 
 const useConfig = (id: string, payload: QuestionClassifierNodeType) => {
   const { nodesReadOnly: readOnly } = useNodesReadOnly()
@@ -58,26 +55,13 @@ const useConfig = (id: string, payload: QuestionClassifierNodeType) => {
   })
 
   const handleModelChanged = useCallback((model: { provider: string; modelId: string; mode?: string }) => {
-    (async () => {
-      const newInputs = produce(inputRef.current, (draft) => {
-        draft.model.provider = model.provider
-        draft.model.name = model.modelId
-        draft.model.mode = model.mode!
-      })
-      try {
-        const url = `/workspaces/current/model-providers/${model.provider}/models/parameter-rules?model=${model.modelId}`
-        const { data: parameterRules } = await fetchModelParameterRules(url)
-        const { params: filtered, removedDetails } = mergeValidCompletionParams(inputRef.current.model.completion_params, parameterRules ?? [])
-        if (Object.keys(removedDetails).length)
-          Toast.notify({ type: 'warning', message: `${t('common.modelProvider.parametersInvalidRemoved')}: ` + Object.entries(removedDetails).map(([k, reason]) => `${k} (${reason})`).join(', ') })
-        newInputs.model.completion_params = filtered
-      }
-      catch {
-        // ignore
-      }
-      setInputs(newInputs)
-      setModelChanged(true)
-    })()
+    const newInputs = produce(inputRef.current, (draft) => {
+      draft.model.provider = model.provider
+      draft.model.name = model.modelId
+      draft.model.mode = model.mode!
+    })
+    setInputs(newInputs)
+    setModelChanged(true)
   }, [setInputs])
 
   useEffect(() => {