diff --git a/release_notes.md b/release_notes.md
index 7f2d3d806a..86c22783a7 100644
--- a/release_notes.md
+++ b/release_notes.md
@@ -5,5 +5,5 @@
 -->
 - Add JitTrace Files for v4.1042
 - Updating OTel related nuget packages (#11216)
-- Moving to version 1.5.7 of Microsoft.Azure.AppService.Middleware.Functions (https://github.com/Azure/azure-functions-host/pull/11231)
-
+- Moving to version 1.5.7 of Microsoft.Azure.AppService.Middleware.Functions (#11231)
+- Update outdated bundle message - removed deprecation date (#11230)
diff --git a/src/WebJobs.Script/Diagnostics/Extensions/LoggerExtension.cs b/src/WebJobs.Script/Diagnostics/Extensions/LoggerExtension.cs
index 225f86ae84..99228e761d 100644
--- a/src/WebJobs.Script/Diagnostics/Extensions/LoggerExtension.cs
+++ b/src/WebJobs.Script/Diagnostics/Extensions/LoggerExtension.cs
@@ -206,15 +206,10 @@ internal static class LoggerExtension
         private static readonly Action<ILogger, string, Exception> _publishingMetrics =
             LoggerMessage.Define<string>(LogLevel.Debug, new EventId(338, nameof(PublishingMetrics)), "{metrics}");
 
-        private static readonly Action<ILogger, string, int, int, Exception> _outdatedExtensionBundleFuture =
+        private static readonly Action<ILogger, string, int, int, Exception> _outdatedExtensionBundle =
            LoggerMessage.Define<string, int, int>(LogLevel.Warning,
            new EventId(342, nameof(OutdatedExtensionBundle)),
-           "Your current bundle version {currentVersion} will reach end of support on Aug 4, 2026. Upgrade to [{suggestedMinVersion}.*, {suggestedMaxVersion}.0.0). For more information, see https://aka.ms/FunctionsBundlesUpgrade");
-
-        private static readonly Action<ILogger, string, int, int, Exception> _outdatedExtensionBundlePast =
-           LoggerMessage.Define<string, int, int>(LogLevel.Warning,
-           new EventId(342, nameof(OutdatedExtensionBundle)),
-           "Your current bundle version {currentVersion} has reached end of support on Aug 4, 2026. Upgrade to [{suggestedMinVersion}.*, {suggestedMaxVersion}.0.0). For more information, see https://aka.ms/FunctionsBundlesUpgrade");
+           "Your app is using an older version - {currentVersion} of extension bundle. Upgrade to [{suggestedMinVersion}.*, {suggestedMaxVersion}.0.0). For more information, see https://aka.ms/FunctionsBundlesUpgrade");
 
         public static void PublishingMetrics(this ILogger logger, string metrics)
         {
@@ -420,17 +415,7 @@ public static void IncorrectAzureFunctionsFolderPath(this ILogger logger, string
 
         public static void OutdatedExtensionBundle(this ILogger logger, string currentVersion, int suggestedMinVersion, int suggestedMaxVersion)
         {
-            var currentTime = DateTime.UtcNow;
-            var deprecationDate = new DateTime(2026, 8, 5, 0, 0, 0, DateTimeKind.Utc);
-
-            if (currentTime >= deprecationDate)
-            {
-                _outdatedExtensionBundlePast(logger, currentVersion, suggestedMinVersion, suggestedMaxVersion, null);
-            }
-            else
-            {
-                _outdatedExtensionBundleFuture(logger, currentVersion, suggestedMinVersion, suggestedMaxVersion, null);
-            }
+            _outdatedExtensionBundle(logger, currentVersion, suggestedMinVersion, suggestedMaxVersion, null);
         }
     }
 }
\ No newline at end of file
diff --git a/test/WebJobs.Script.Tests/Description/FunctionAppValidationServiceTests.cs b/test/WebJobs.Script.Tests/Description/FunctionAppValidationServiceTests.cs
index 1258fdc12a..0f2f886515 100644
--- a/test/WebJobs.Script.Tests/Description/FunctionAppValidationServiceTests.cs
+++ b/test/WebJobs.Script.Tests/Description/FunctionAppValidationServiceTests.cs
@@ -198,14 +198,9 @@ public void GetOutdatedBundleWarningMessage_LogsWarning(string bundleId, string
             // Assert
             var logMessages = _testLoggerProvider.GetAllLogMessages();
 
-            // Check for both possible resource strings (future and past deprecation)
-            bool hasFutureWarning = logMessages.Any(m => m.FormattedMessage.Contains(bundleVersion)
-                && m.FormattedMessage.Contains("will reach end of support on Aug 4, 2026.")
+            bool hasOutdatedBundleLog = logMessages.Any(m => m.FormattedMessage.Contains(bundleVersion)
+                && m.FormattedMessage.Contains("older version")
                 && m.Level == LogLevel.Warning);
-            bool hasPastWarning = logMessages.Any(m => m.FormattedMessage.Contains(bundleVersion)
-                && m.FormattedMessage.Contains("has reached end of support on Aug 4, 2026.")
-                && m.Level == LogLevel.Warning);
-            bool hasOutdatedBundleLog = hasFutureWarning || hasPastWarning;
 
             Assert.Equal(shouldLogEvent, hasOutdatedBundleLog);
         }