diff --git a/packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/methods/config.ts b/packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/methods/config.ts
index 2245cfd2a887b..0554a2f0c0a52 100644
--- a/packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/methods/config.ts
+++ b/packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/methods/config.ts
@@ -25,7 +25,7 @@ export function getInputs(parameters: IDataObject) {
 
 	const needsFallback = parameters?.needsFallback;
 
-	if (needsFallback === undefined || needsFallback === true) {
+	if (needsFallback === true) {
 		inputs.push({
 			displayName: 'Fallback Model',
 			maxConnections: 1,
diff --git a/packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/test/config.test.ts b/packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/test/config.test.ts
index 67bc1a72b416b..1dbbdbcc40bc4 100644
--- a/packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/test/config.test.ts
+++ b/packages/@n8n/nodes-langchain/nodes/chains/ChainLLM/test/config.test.ts
@@ -7,27 +7,25 @@ describe('config', () => {
 		it('should return basic inputs for all parameters', () => {
 			const inputs = getInputs({});
 
-			expect(inputs).toHaveLength(4);
+			expect(inputs).toHaveLength(3);
 			expect(inputs[0].type).toBe(NodeConnectionTypes.Main);
 			expect(inputs[1].type).toBe(NodeConnectionTypes.AiLanguageModel);
-			expect(inputs[2].type).toBe(NodeConnectionTypes.AiLanguageModel);
-			expect(inputs[3].type).toBe(NodeConnectionTypes.AiOutputParser);
+			expect(inputs[2].type).toBe(NodeConnectionTypes.AiOutputParser);
 		});
 
 		it('should exclude the OutputParser when hasOutputParser is false', () => {
 			const inputs = getInputs({ hasOutputParser: false });
 
-			expect(inputs).toHaveLength(3);
+			expect(inputs).toHaveLength(2);
 			expect(inputs[0].type).toBe(NodeConnectionTypes.Main);
 			expect(inputs[1].type).toBe(NodeConnectionTypes.AiLanguageModel);
-			expect(inputs[2].type).toBe(NodeConnectionTypes.AiLanguageModel);
 		});
 
 		it('should include the OutputParser when hasOutputParser is true', () => {
 			const inputs = getInputs({ hasOutputParser: true });
 
-			expect(inputs).toHaveLength(4);
-			expect(inputs[3].type).toBe(NodeConnectionTypes.AiOutputParser);
+			expect(inputs).toHaveLength(3);
+			expect(inputs[2].type).toBe(NodeConnectionTypes.AiOutputParser);
 		});
 
 		it('should exclude the FallbackInput when needsFallback is false', () => {