diff --git a/UnitTest-ColorPickerUI/UnitTest-ColorPickerUI.csproj b/UnitTest-ColorPickerUI/UnitTest-ColorPickerUI.csproj
index c30008a5ac..041eed126e 100644
--- a/UnitTest-ColorPickerUI/UnitTest-ColorPickerUI.csproj
+++ b/UnitTest-ColorPickerUI/UnitTest-ColorPickerUI.csproj
@@ -5,7 +5,7 @@
     <RootNamespace>UnitTest_ColorPickerUI</RootNamespace>
     <IsPackable>false</IsPackable>
     <Nullable>enable</Nullable>
-    <LangVersion>9.0</LangVersion>
+    <LangVersion>8.0</LangVersion>
     <OutputType>Library</OutputType>
   </PropertyGroup>
 
diff --git a/src/modules/colorPicker/ColorPickerUI/ColorPickerUI.csproj b/src/modules/colorPicker/ColorPickerUI/ColorPickerUI.csproj
index ae47ea9fdc..3eef221bc0 100644
--- a/src/modules/colorPicker/ColorPickerUI/ColorPickerUI.csproj
+++ b/src/modules/colorPicker/ColorPickerUI/ColorPickerUI.csproj
@@ -62,7 +62,7 @@
     <DefineConstants>DEBUG;TRACE</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>x64</PlatformTarget>
-    <LangVersion>9.0</LangVersion>
+    <LangVersion>8.0</LangVersion>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
@@ -73,7 +73,7 @@
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
     <PlatformTarget>x64</PlatformTarget>
-    <LangVersion>9.0</LangVersion>
+    <LangVersion>8.0</LangVersion>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>true</Prefer32Bit>
diff --git a/src/modules/colorPicker/ColorPickerUI/Helpers/ColorHelper.cs b/src/modules/colorPicker/ColorPickerUI/Helpers/ColorHelper.cs
index 0c528b7755..44f547fc5b 100644
--- a/src/modules/colorPicker/ColorPickerUI/Helpers/ColorHelper.cs
+++ b/src/modules/colorPicker/ColorPickerUI/Helpers/ColorHelper.cs
@@ -28,7 +28,7 @@ namespace ColorPicker.Helpers
             {
                 return (color.GetHue(), 0d, lightness);
             }
-            else if (lightness is > 0d and <= 0.5d)
+            else if (lightness > 0d && lightness <= 0.5d)
             {
                 return (color.GetHue(), (max - min) / (max + min), lightness);
             }
diff --git a/src/modules/imageresizer/ui/ImageResizerUI.csproj b/src/modules/imageresizer/ui/ImageResizerUI.csproj
index e94aa10651..58cfebf3b8 100644
--- a/src/modules/imageresizer/ui/ImageResizerUI.csproj
+++ b/src/modules/imageresizer/ui/ImageResizerUI.csproj
@@ -50,7 +50,6 @@
       <LastGenOutput>Resources.Designer.cs</LastGenOutput>
       <SubType>Designer</SubType>
     </EmbeddedResource>
-    <EmbeddedResource Include="Properties\Resources.*.resx" />
   </ItemGroup>
   <ItemGroup>
     <AdditionalFiles Include="..\..\..\codeAnalysis\StyleCop.json" />