diff --git a/src/modules/llms/models-modal/LLMOptionsGlobal.tsx b/src/modules/llms/models-modal/LLMOptionsGlobal.tsx
index c352308d9..37aebc44e 100644
--- a/src/modules/llms/models-modal/LLMOptionsGlobal.tsx
+++ b/src/modules/llms/models-modal/LLMOptionsGlobal.tsx
@@ -31,7 +31,6 @@ export function LLMOptionsGlobal(props: { llm: DLLM }) {
   return (
     <LLMParametersEditor
       maxOutputTokens={getLLMMaxOutputTokens(llm) ?? null}
-      vendorSpec={llm.vId}
       parameterSpecs={llm.parameterSpecs}
       parameterOmitTemperature={llm.interfaces.includes(LLM_IF_HOTFIX_NoTemperature)}
       baselineParameters={llm.initialParameters}
diff --git a/src/modules/llms/models-modal/LLMParametersEditor.tsx b/src/modules/llms/models-modal/LLMParametersEditor.tsx
index 231ff4d5f..5249fda2a 100644
--- a/src/modules/llms/models-modal/LLMParametersEditor.tsx
+++ b/src/modules/llms/models-modal/LLMParametersEditor.tsx
@@ -119,7 +119,6 @@ const _xaiDateFilterOptions = [
 export function LLMParametersEditor(props: {
   // constants
   maxOutputTokens: DLLMMaxOutputTokens,
-  vendorSpec: ModelVendorId,
   parameterSpecs: DModelParameterSpec<DModelParameterId>[],
   parameterOmitTemperature?: boolean,
   baselineParameters: DModelParameterValues,
@@ -201,11 +200,6 @@ export function LLMParametersEditor(props: {
     return paramId in modelParamSpec && !modelParamSpec[paramId].hidden;
   }
 
-  /** discouraged: only used where we know a vendor supports a parameter on EACH model - and does NOT add the parameter Spec (dangerous) */
-  function showAllParamsFromVendor(vendorId: ModelVendorId): boolean {
-    return props.vendorSpec === vendorId;
-  }
-
   const temperatureHide = showParam('llmVndAntThinkingBudget');
   const antThinkingOff = llmVndAntThinkingBudget === null;
   const gemThinkingAuto = llmVndGeminiThinkingBudget === undefined;