diff --git a/src/mono/wasm/Wasm.Build.Tests/Blazor/BuildPublishTests.cs b/src/mono/wasm/Wasm.Build.Tests/Blazor/BuildPublishTests.cs
index 28130327e719b4..9378c052e076ec 100644
--- a/src/mono/wasm/Wasm.Build.Tests/Blazor/BuildPublishTests.cs
+++ b/src/mono/wasm/Wasm.Build.Tests/Blazor/BuildPublishTests.cs
@@ -175,8 +175,8 @@ void AssertResourcesDlls(string basePath)
     }
 
     [Theory]
-    [InlineData("", false)] // Default case
-    [InlineData("true", true)] // the other case
+    [InlineData("", true)] // Default case
+    [InlineData("false", false)] // the other case
     public async Task Test_WasmStripILAfterAOT(string stripILAfterAOT, bool expectILStripping)
     {
         string config = "Release";
diff --git a/src/mono/wasm/Wasm.Build.Tests/Templates/WasmTemplateTests.cs b/src/mono/wasm/Wasm.Build.Tests/Templates/WasmTemplateTests.cs
index 626ae725b15242..4a93f148d0cb9c 100644
--- a/src/mono/wasm/Wasm.Build.Tests/Templates/WasmTemplateTests.cs
+++ b/src/mono/wasm/Wasm.Build.Tests/Templates/WasmTemplateTests.cs
@@ -493,8 +493,8 @@ public void BuildAndRunForDifferentOutputPaths(string config, bool appendRID, bo
         }
 
         [Theory]
-        [InlineData("", false)] // Default case
-        [InlineData("true", true)] // the other case
+        [InlineData("", true)] // Default case
+        [InlineData("false", false)] // the other case
         public void Test_WasmStripILAfterAOT(string stripILAfterAOT, bool expectILStripping)
         {
             string config = "Release";
diff --git a/src/mono/wasm/build/WasmApp.targets b/src/mono/wasm/build/WasmApp.targets
index 6da897b0e81ce1..469425b2c48570 100644
--- a/src/mono/wasm/build/WasmApp.targets
+++ b/src/mono/wasm/build/WasmApp.targets
@@ -88,7 +88,7 @@
                                               - AppBundle/_framework contains generated files (dlls, runtime scripts, icu)
                                               - AppBundle/_content contains web files from nuget packages (css, js, etc)
       - $(WasmStripILAfterAOT)              - Set to true to enable trimming away AOT compiled methods body (IL code)
-                                              Defaults to false.
+                                              Defaults to true.
 
       Public items:
       - @(WasmExtraFilesToDeploy) - Files to copy to $(WasmAppDir).
@@ -150,7 +150,7 @@
     <WasmAssemblyExtension Condition="'$(WasmEnableWebcil)' == 'true'">.wasm</WasmAssemblyExtension>
     <WasmAssemblyExtension Condition="'$(WasmEnableWebcil)' != 'true'">.dll</WasmAssemblyExtension>
 
-    <WasmStripILAfterAOT Condition="'$(WasmStripILAfterAOT)' == ''">false</WasmStripILAfterAOT>
+    <WasmStripILAfterAOT Condition="'$(WasmStripILAfterAOT)' == ''">true</WasmStripILAfterAOT>
 
     <WasmRuntimeAssetsLocation Condition="'$(WasmRuntimeAssetsLocation)' == ''">_framework</WasmRuntimeAssetsLocation>
   </PropertyGroup>