diff --git a/packages/code-assist/index.ts b/packages/code-assist/index.ts
index 5ee72eb..0ce46a3 100644
--- a/packages/code-assist/index.ts
+++ b/packages/code-assist/index.ts
@@ -117,7 +117,6 @@ export async function getUsageInstructions(server: Server) {
 
         usageInstructions = [
             ragResponse.data.systemInstructions,
-            ragResponse.data.preamble,
             ragResponse.data.europeanEconomicAreaTermsDisclaimer
         ];
 
diff --git a/packages/code-assist/tests/unit.test.ts b/packages/code-assist/tests/unit.test.ts
index cac71f3..99c6a6b 100644
--- a/packages/code-assist/tests/unit.test.ts
+++ b/packages/code-assist/tests/unit.test.ts
@@ -41,7 +41,6 @@ describe("Google Maps Platform Code Assist MCP Server", () => {
         const mockResponse = {
             data: {
                 systemInstructions: "system instructions",
-                preamble: "preamble",
                 europeanEconomicAreaTermsDisclaimer: "disclaimer",
             },
         };
@@ -51,7 +50,6 @@ describe("Google Maps Platform Code Assist MCP Server", () => {
 
         expect(instructions).toEqual([
             "system instructions",
-            "preamble",
             "disclaimer",
         ]);
 
@@ -106,7 +104,6 @@ describe("Google Maps Platform Code Assist MCP Server", () => {
         const mockResponse = {
             data: {
                 systemInstructions: "system instructions",
-                preamble: "preamble",
                 europeanEconomicAreaTermsDisclaimer: "disclaimer",
             },
         };
@@ -128,7 +125,6 @@ describe("Google Maps Platform Code Assist MCP Server", () => {
         const mockResponse = {
             data: {
                 systemInstructions: "system instructions",
-                preamble: "preamble",
                 europeanEconomicAreaTermsDisclaimer: "disclaimer",
             },
         };