diff --git a/CefSharp.MinimalExample.OffScreen/CefSharp.MinimalExample.OffScreen.csproj b/CefSharp.MinimalExample.OffScreen/CefSharp.MinimalExample.OffScreen.csproj
index 14c8726..4a593e6 100644
--- a/CefSharp.MinimalExample.OffScreen/CefSharp.MinimalExample.OffScreen.csproj
+++ b/CefSharp.MinimalExample.OffScreen/CefSharp.MinimalExample.OffScreen.csproj
@@ -67,7 +67,6 @@
     <DefineConstants>DEBUG;TRACE;ANYCPU</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>AnyCPU</PlatformTarget>
-    <LangVersion>7.3</LangVersion>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
@@ -78,7 +77,6 @@
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
     <PlatformTarget>AnyCPU</PlatformTarget>
-    <LangVersion>7.3</LangVersion>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
diff --git a/CefSharp.MinimalExample.WinForms/CefSharp.MinimalExample.WinForms.csproj b/CefSharp.MinimalExample.WinForms/CefSharp.MinimalExample.WinForms.csproj
index f63df70..d1e4e7d 100644
--- a/CefSharp.MinimalExample.WinForms/CefSharp.MinimalExample.WinForms.csproj
+++ b/CefSharp.MinimalExample.WinForms/CefSharp.MinimalExample.WinForms.csproj
@@ -33,6 +33,7 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
     <PlatformTarget>x64</PlatformTarget>
     <OutputPath>bin\x64\Debug\net452\</OutputPath>
+    <DefineConstants>DEBUG</DefineConstants>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
@@ -45,6 +46,7 @@
     <OutputPath>bin\x86\Debug\net452\</OutputPath>
     <PlatformTarget>x86</PlatformTarget>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
+    <DefineConstants>DEBUG</DefineConstants>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
@@ -57,14 +59,12 @@
     <DebugSymbols>true</DebugSymbols>
     <OutputPath>bin\AnyCPU\Debug\net452\</OutputPath>
     <PlatformTarget>AnyCPU</PlatformTarget>
-    <LangVersion>7.3</LangVersion>
     <DefineConstants>DEBUG;TRACE;ANYCPU</DefineConstants>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
     <OutputPath>bin\AnyCPU\Release\net452\</OutputPath>
     <PlatformTarget>AnyCPU</PlatformTarget>
-    <LangVersion>7.3</LangVersion>
     <DefineConstants>TRACE;ANYCPU</DefineConstants>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
diff --git a/CefSharp.MinimalExample.Wpf/CefSharp.MinimalExample.Wpf.csproj b/CefSharp.MinimalExample.Wpf/CefSharp.MinimalExample.Wpf.csproj
index 3e5b676..6a7b099 100644
--- a/CefSharp.MinimalExample.Wpf/CefSharp.MinimalExample.Wpf.csproj
+++ b/CefSharp.MinimalExample.Wpf/CefSharp.MinimalExample.Wpf.csproj
@@ -70,7 +70,6 @@
     <DefineConstants>DEBUG;TRACE;ANYCPU</DefineConstants>
     <DebugType>full</DebugType>
     <PlatformTarget>AnyCPU</PlatformTarget>
-    <LangVersion>7.3</LangVersion>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
@@ -81,7 +80,6 @@
     <Optimize>true</Optimize>
     <DebugType>pdbonly</DebugType>
     <PlatformTarget>AnyCPU</PlatformTarget>
-    <LangVersion>7.3</LangVersion>
     <ErrorReport>prompt</ErrorReport>
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>