diff --git a/src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts b/src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts
index c2c0cb3302..4844d7ba11 100644
--- a/src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts
+++ b/src/Components/Web.JS/src/Platform/Mono/MonoPlatform.ts
@@ -256,9 +256,6 @@ function createEmscriptenModuleInstance(resourceLoader: WebAssemblyResourceLoade
       `_framework/${icuDataResourceName}`,
       resourceLoader.bootConfig.resources.runtime[icuDataResourceName],
       'globalization');
-  } else {
-    // Use invariant culture if the app does not carry icu data.
-    MONO.mono_wasm_setenv("DOTNET_SYSTEM_GLOBALIZATION_INVARIANT", "1");
   }
 
   // Override the mechanism for fetching the main wasm file so we can connect it to our cache
@@ -288,6 +285,9 @@ function createEmscriptenModuleInstance(resourceLoader: WebAssemblyResourceLoade
 
     if (icuDataResource) {
       loadICUData(icuDataResource);
+    } else {
+      // Use invariant culture if the app does not carry icu data.
+      MONO.mono_wasm_setenv("DOTNET_SYSTEM_GLOBALIZATION_INVARIANT", "1");
     }
 
     // Fetch the assemblies and PDBs in the background, telling Mono to wait until they are loaded
@@ -382,12 +382,6 @@ function createEmscriptenModuleInstance(resourceLoader: WebAssemblyResourceLoade
     // Turn off full-gc to prevent browser freezing.
     const mono_wasm_enable_on_demand_gc = cwrap('mono_wasm_enable_on_demand_gc', null, ['number']);
     mono_wasm_enable_on_demand_gc(0);
-
-    let timeZone = "UTC";
-    try {
-      timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone;
-    } catch { }
-    MONO.mono_wasm_setenv("TZ", timeZone);
     const load_runtime = cwrap('mono_wasm_load_runtime', null, ['string', 'number']);
     // -1 enables debugging with logging disabled. 0 disables debugging entirely.
     load_runtime(appBinDirName, hasDebuggingEnabled() ? -1 : 0);
diff --git a/src/Grpc/test/InteropTests/InteropTests.csproj b/src/Grpc/test/InteropTests/InteropTests.csproj
index 24d479432b..bcbd1fc4b6 100644
--- a/src/Grpc/test/InteropTests/InteropTests.csproj
+++ b/src/Grpc/test/InteropTests/InteropTests.csproj
@@ -3,9 +3,6 @@
   <PropertyGroup>
     <ContainsFunctionalTestAssets>true</ContainsFunctionalTestAssets>
     <TargetFramework>$(DefaultNetCoreTargetFramework)</TargetFramework>
-
-    <!-- https://github.com/dotnet/aspnetcore/issues/24182 -->
-    <BuildHelixPayload>false</BuildHelixPayload>
   </PropertyGroup>
 
   <ItemGroup>