diff --git a/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly.BasicTheme/Volo.Abp.AspNetCore.Components.WebAssembly.BasicTheme.csproj b/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly.BasicTheme/Volo.Abp.AspNetCore.Components.WebAssembly.BasicTheme.csproj
index 0428c17068..4db7f0f38f 100644
--- a/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly.BasicTheme/Volo.Abp.AspNetCore.Components.WebAssembly.BasicTheme.csproj
+++ b/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly.BasicTheme/Volo.Abp.AspNetCore.Components.WebAssembly.BasicTheme.csproj
@@ -5,7 +5,6 @@
 
     <PropertyGroup>
         <TargetFramework>net5.0</TargetFramework>
-        <RazorLangVersion>3.0</RazorLangVersion>
         <PackageId>Volo.Abp.AspNetCore.Components.WebAssembly.BasicTheme</PackageId>
     </PropertyGroup>
 
diff --git a/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly.Theming/Volo.Abp.AspNetCore.Components.WebAssembly.Theming.csproj b/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly.Theming/Volo.Abp.AspNetCore.Components.WebAssembly.Theming.csproj
index 55851c2868..58e0c279ae 100644
--- a/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly.Theming/Volo.Abp.AspNetCore.Components.WebAssembly.Theming.csproj
+++ b/framework/src/Volo.Abp.AspNetCore.Components.WebAssembly.Theming/Volo.Abp.AspNetCore.Components.WebAssembly.Theming.csproj
@@ -5,7 +5,6 @@
 
     <PropertyGroup>
         <TargetFramework>net5.0</TargetFramework>
-        <RazorLangVersion>3.0</RazorLangVersion>
     </PropertyGroup>
 
     <ItemGroup>
diff --git a/framework/src/Volo.Abp.BlazoriseUI/Volo.Abp.BlazoriseUI.csproj b/framework/src/Volo.Abp.BlazoriseUI/Volo.Abp.BlazoriseUI.csproj
index 627e67cb36..df8685a36d 100644
--- a/framework/src/Volo.Abp.BlazoriseUI/Volo.Abp.BlazoriseUI.csproj
+++ b/framework/src/Volo.Abp.BlazoriseUI/Volo.Abp.BlazoriseUI.csproj
@@ -5,7 +5,6 @@
 
     <PropertyGroup>
         <TargetFramework>net5.0</TargetFramework>
-        <RazorLangVersion>3.0</RazorLangVersion>
     </PropertyGroup>
 
     <ItemGroup>