diff --git a/src/Components/src/Microsoft.AspNetCore.Components.Server/Builder/BlazorApplicationBuilderExtensions.cs b/src/Components/src/Microsoft.AspNetCore.Components.Server/Builder/BlazorApplicationBuilderExtensions.cs
index e781433271..1d3f4d0220 100644
--- a/src/Components/src/Microsoft.AspNetCore.Components.Server/Builder/BlazorApplicationBuilderExtensions.cs
+++ b/src/Components/src/Microsoft.AspNetCore.Components.Server/Builder/BlazorApplicationBuilderExtensions.cs
@@ -160,7 +160,6 @@ namespace Microsoft.AspNetCore.Builder
         {
             var result = new FileExtensionContentTypeProvider();
             AddMapping(result, ".dll", MediaTypeNames.Application.Octet);
-            AddMapping(result, ".wasm", WasmMediaTypeNames.Application.Wasm);
 
             if (enableDebugging)
             {