diff --git a/Rules.ruleset b/Rules.ruleset
new file mode 100644
index 0000000000..6905c282b2
--- /dev/null
+++ b/Rules.ruleset
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RuleSet Name="Rules for Fluent Assertions" Description="Code analysis rules for Fluent Assertions." ToolsVersion="15.0">
+  <IncludeAll Action="Warning" />
+  <Rules AnalyzerId="Microsoft.CodeAnalysis.CSharp" RuleNamespace="Microsoft.CodeAnalysis.CSharp">
+    <Rule Id="CS0162" Action="Error" />
+    <Rule Id="CS0183" Action="Error" />
+    <Rule Id="CS0184" Action="Error" />
+    <Rule Id="CS0464" Action="Error" />
+    <Rule Id="CS0472" Action="Error" />
+    <Rule Id="CS0652" Action="Error" />
+    <Rule Id="CS0659" Action="Error" />
+    <Rule Id="CS0728" Action="Error" />
+    <Rule Id="CS1717" Action="Error" />
+    <Rule Id="CS1718" Action="Error" />
+    <Rule Id="CS1720" Action="Error" />
+  </Rules>
+  <Rules AnalyzerId="Microsoft.CodeAnalysis.CSharp.Features" RuleNamespace="Microsoft.CodeAnalysis.CSharp.Features">
+    <Rule Id="IDE0035" Action="Error" />
+	<Rule Id="IDE0007" Action="None" />
+  </Rules>
+  <Rules AnalyzerId="Microsoft.CodeAnalysis.Features" RuleNamespace="Microsoft.CodeAnalysis.Features">
+    <Rule Id="IDE0010" Action="Warning" />
+    <Rule Id="IDE0033" Action="Info" />
+  </Rules>
+  <Rules AnalyzerId="Roslynator.CSharp.Analyzers" RuleNamespace="Roslynator.CSharp.Analyzers">
+    <Rule Id="RCS1080" Action="None" />
+    <Rule Id="RCS1102" Action="None" />
+    <Rule Id="RCS1119" Action="None" />
+    <Rule Id="RCS1141" Action="None" />
+    <Rule Id="RCS1142" Action="None" />
+	<Rule Id="RCS1171" Action="Hidden" />
+  </Rules>
+  <Rules AnalyzerId="U2UConsult.CodeAnalyzers" RuleNamespace="U2UConsult.CodeAnalyzers">
+    <Rule Id="U2U1000" Action="None" />
+    <Rule Id="U2U1001" Action="None" />
+	<Rule Id="U2U1002" Action="None" />
+	<Rule Id="U2U1003" Action="None" />
+    <Rule Id="U2U1010" Action="None" />
+	<Rule Id="U2U1022" Action="None" />
+	<Rule Id="U2U1101" Action="None" />
+    <Rule Id="U2U1103" Action="None" />
+    <Rule Id="U2U1104" Action="None" />
+    <Rule Id="U2U1105" Action="None" />
+    <Rule Id="U2U1108" Action="None" />
+    <Rule Id="U2U1201" Action="Hidden" />
+    <Rule Id="U2U1202" Action="None" />
+  </Rules>
+</RuleSet>
\ No newline at end of file
diff --git a/Src/FluentAssertions/FluentAssertions.csproj b/Src/FluentAssertions/FluentAssertions.csproj
index ec6e7a167d..10f03f2a07 100644
--- a/Src/FluentAssertions/FluentAssertions.csproj
+++ b/Src/FluentAssertions/FluentAssertions.csproj
@@ -7,6 +7,7 @@
     <NoWarn>1701;1702;1705;1591;1574;1572;1573;419</NoWarn>
     <GeneratePackageOnBuild>False</GeneratePackageOnBuild>
     <GenerateAssemblyInfo>false</GenerateAssemblyInfo>
+    <CodeAnalysisRuleSet>..\..\Rules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <PropertyGroup Condition="'$(TargetFramework)' == 'net45'">
     <DefineConstants>NET45</DefineConstants>
diff --git a/TestRules.ruleset b/TestRules.ruleset
new file mode 100644
index 0000000000..11eacf3170
--- /dev/null
+++ b/TestRules.ruleset
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RuleSet Name="Rules for Fluent Assertions" Description="Code analysis rules for Fluent Assertions." ToolsVersion="15.0">
+  <Include Path="Rules.ruleset" Action="Default" />
+  <Rules AnalyzerId="Microsoft.CodeAnalysis.CSharp" RuleNamespace="Microsoft.CodeAnalysis.CSharp">
+  </Rules>
+  <Rules AnalyzerId="Microsoft.CodeAnalysis.CSharp.Features" RuleNamespace="Microsoft.CodeAnalysis.CSharp.Features">
+  </Rules>
+  <Rules AnalyzerId="Microsoft.CodeAnalysis.Features" RuleNamespace="Microsoft.CodeAnalysis.Features">
+  </Rules>
+  <Rules AnalyzerId="Roslynator.CSharp.Analyzers" RuleNamespace="Roslynator.CSharp.Analyzers">
+    <Rule Id="RCS1079" Action="None" />
+    <Rule Id="RCS1118" Action="None" />
+    <Rule Id="RCS1163" Action="None" />
+    <Rule Id="RCS1170" Action="None" />
+    <Rule Id="RCS1194" Action="None" />
+    <Rule Id="RCS1213" Action="None" />
+  </Rules>
+  <Rules AnalyzerId="U2UConsult.CodeAnalyzers" RuleNamespace="U2UConsult.CodeAnalyzers">
+    <Rule Id="U2U1005" Action="None" />
+    <Rule Id="U2U1018" Action="None" />
+    <Rule Id="U2U1019" Action="None" />
+    <Rule Id="U2U1020" Action="None" />
+    <Rule Id="U2U1200" Action="None" />
+  </Rules>
+</RuleSet>
\ No newline at end of file
diff --git a/Tests/AssemblyA/AssemblyA.csproj b/Tests/AssemblyA/AssemblyA.csproj
index a1acfd8f73..392a42e69a 100644
--- a/Tests/AssemblyA/AssemblyA.csproj
+++ b/Tests/AssemblyA/AssemblyA.csproj
@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFrameworks>net45;netstandard1.3</TargetFrameworks>
+    <CodeAnalysisRuleSet>..\..\Rules.ruleset</CodeAnalysisRuleSet>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
diff --git a/Tests/AssemblyB/AssemblyB.csproj b/Tests/AssemblyB/AssemblyB.csproj
index 3e14e12207..dd6ec7c585 100644
--- a/Tests/AssemblyB/AssemblyB.csproj
+++ b/Tests/AssemblyB/AssemblyB.csproj
@@ -1,6 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFrameworks>net45;netstandard1.3</TargetFrameworks>
+    <CodeAnalysisRuleSet>..\..\Rules.ruleset</CodeAnalysisRuleSet>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 </Project>
\ No newline at end of file
diff --git a/Tests/Net45.Specs/Net45.Specs.csproj b/Tests/Net45.Specs/Net45.Specs.csproj
index 4f966d0837..30bc06c7ae 100644
--- a/Tests/Net45.Specs/Net45.Specs.csproj
+++ b/Tests/Net45.Specs/Net45.Specs.csproj
@@ -4,7 +4,7 @@
     <AssemblyName>FluentAssertions.Net45.Specs</AssemblyName>
     <RootNamespace>FluentAssertions.Net45.Specs</RootNamespace>
     <DefineConstants>$(DefineConstants);NET45</DefineConstants>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <CodeAnalysisRuleSet>..\..\TestRules.ruleset</CodeAnalysisRuleSet>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
diff --git a/Tests/Net47.Specs/Net47.Specs.csproj b/Tests/Net47.Specs/Net47.Specs.csproj
index 9840fef618..da47a16ffd 100644
--- a/Tests/Net47.Specs/Net47.Specs.csproj
+++ b/Tests/Net47.Specs/Net47.Specs.csproj
@@ -4,7 +4,7 @@
     <AssemblyName>FluentAssertions.Net47.Specs</AssemblyName>
     <RootNamespace>FluentAssertions.Net47.Specs</RootNamespace>
     <DefineConstants>$(DefineConstants);NET47</DefineConstants>
-    <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
+    <CodeAnalysisRuleSet>..\..\TestRules.ruleset</CodeAnalysisRuleSet>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
   <ItemGroup>
diff --git a/Tests/NetCore.Specs/NetCore.Specs.csproj b/Tests/NetCore.Specs/NetCore.Specs.csproj
index 4dfb138d10..0f24e0f5a7 100644
--- a/Tests/NetCore.Specs/NetCore.Specs.csproj
+++ b/Tests/NetCore.Specs/NetCore.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>netcoreapp1.1</TargetFramework>
     <AssemblyName>FluentAssertions.NetCore.Specs</AssemblyName>
     <RootNamespace>FluentAssertions.NetCore.Specs</RootNamespace>
+    <CodeAnalysisRuleSet>..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="FakeItEasy" Version="4.5.1" />
diff --git a/Tests/NetCore13.Specs/NetCore13.Specs.csproj b/Tests/NetCore13.Specs/NetCore13.Specs.csproj
index 03edf9a1ed..610ac2ef91 100644
--- a/Tests/NetCore13.Specs/NetCore13.Specs.csproj
+++ b/Tests/NetCore13.Specs/NetCore13.Specs.csproj
@@ -4,6 +4,7 @@
     <AssemblyName>FluentAssertions.NetCore13.Specs</AssemblyName>
     <RootNamespace>FluentAssertions.NetCore13.Specs</RootNamespace>
     <DefineConstants>NETSTANDARD1_3</DefineConstants>
+    <CodeAnalysisRuleSet>..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="FakeItEasy" Version="4.5.1" />
diff --git a/Tests/NetCore20.Specs/NetCore20.Specs.csproj b/Tests/NetCore20.Specs/NetCore20.Specs.csproj
index 1d2cceef12..df2759456a 100644
--- a/Tests/NetCore20.Specs/NetCore20.Specs.csproj
+++ b/Tests/NetCore20.Specs/NetCore20.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>netcoreapp2.0</TargetFramework>
     <AssemblyName>FluentAssertions.NetCore20.Specs</AssemblyName>
     <RootNamespace>FluentAssertions.NetCore20.Specs</RootNamespace>
+    <CodeAnalysisRuleSet>..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="FakeItEasy" Version="4.5.1" />
diff --git a/Tests/TestFrameworks/MSTestV2.Specs/MSTestV2.Specs.csproj b/Tests/TestFrameworks/MSTestV2.Specs/MSTestV2.Specs.csproj
index 2c8b91c053..d7271895b4 100644
--- a/Tests/TestFrameworks/MSTestV2.Specs/MSTestV2.Specs.csproj
+++ b/Tests/TestFrameworks/MSTestV2.Specs/MSTestV2.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>netcoreapp1.1</TargetFramework>
     <RootNamespace>MSTestV2.Specs</RootNamespace>
     <AssemblyName>MSTestV2.Specs</AssemblyName>
+    <CodeAnalysisRuleSet>..\..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Src\FluentAssertions\FluentAssertions.csproj" />
diff --git a/Tests/TestFrameworks/MSpec.Specs/MSpec.Specs.csproj b/Tests/TestFrameworks/MSpec.Specs/MSpec.Specs.csproj
index 720aae5a4f..cf3f46c0ac 100644
--- a/Tests/TestFrameworks/MSpec.Specs/MSpec.Specs.csproj
+++ b/Tests/TestFrameworks/MSpec.Specs/MSpec.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFrameworks>netcoreapp1.1</TargetFrameworks>
     <RootNamespace>MSpec.Specs</RootNamespace>
     <AssemblyName>MSpec.Specs</AssemblyName>
+    <CodeAnalysisRuleSet>Rules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Src\FluentAssertions\FluentAssertions.csproj" />
diff --git a/Tests/TestFrameworks/MSpec.Specs/Rules.ruleset b/Tests/TestFrameworks/MSpec.Specs/Rules.ruleset
new file mode 100644
index 0000000000..526932240c
--- /dev/null
+++ b/Tests/TestFrameworks/MSpec.Specs/Rules.ruleset
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RuleSet Name="Rules for Fluent Assertions" Description="Code analysis rules for Fluent Assertions." ToolsVersion="15.0">
+  <Include Path="..\..\..\TestRules.ruleset" Action="Default" />
+  <Rules AnalyzerId="Microsoft.CodeAnalysis.CSharp" RuleNamespace="Microsoft.CodeAnalysis.CSharp">
+  </Rules>
+  <Rules AnalyzerId="Microsoft.CodeAnalysis.CSharp.Features" RuleNamespace="Microsoft.CodeAnalysis.CSharp.Features">
+  </Rules>
+  <Rules AnalyzerId="Microsoft.CodeAnalysis.Features" RuleNamespace="Microsoft.CodeAnalysis.Features">
+  </Rules>
+  <Rules AnalyzerId="Roslynator.CSharp.Analyzers" RuleNamespace="Roslynator.CSharp.Analyzers">
+    <Rule Id="RCS1018" Action="None" />
+    <Rule Id="RCS1169" Action="None" />
+  </Rules>
+  <Rules AnalyzerId="U2UConsult.CodeAnalyzers" RuleNamespace="U2UConsult.CodeAnalyzers">
+  </Rules>
+</RuleSet>
\ No newline at end of file
diff --git a/Tests/TestFrameworks/NSpec.Net45.Specs/NSpec.Net45.Specs.csproj b/Tests/TestFrameworks/NSpec.Net45.Specs/NSpec.Net45.Specs.csproj
index a656ff1cb0..4cf07f85b9 100644
--- a/Tests/TestFrameworks/NSpec.Net45.Specs/NSpec.Net45.Specs.csproj
+++ b/Tests/TestFrameworks/NSpec.Net45.Specs/NSpec.Net45.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>net451</TargetFramework>
     <RootNamespace>NSpec.Specs</RootNamespace>
     <AssemblyName>NSpec.Specs</AssemblyName>
+    <CodeAnalysisRuleSet>..\..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Src\FluentAssertions\FluentAssertions.csproj" />
diff --git a/Tests/TestFrameworks/NSpec2.Net45.Specs/NSpec2.Net45.Specs.csproj b/Tests/TestFrameworks/NSpec2.Net45.Specs/NSpec2.Net45.Specs.csproj
index d34aa266f5..99098e9138 100644
--- a/Tests/TestFrameworks/NSpec2.Net45.Specs/NSpec2.Net45.Specs.csproj
+++ b/Tests/TestFrameworks/NSpec2.Net45.Specs/NSpec2.Net45.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>net451</TargetFramework>
     <RootNamespace>NSpec2.Specs</RootNamespace>
     <AssemblyName>NSpec2.Specs</AssemblyName>
+    <CodeAnalysisRuleSet>..\..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Src\FluentAssertions\FluentAssertions.csproj" />
diff --git a/Tests/TestFrameworks/NSpec3.Net45.Specs/NSpec3.Net45.Specs.csproj b/Tests/TestFrameworks/NSpec3.Net45.Specs/NSpec3.Net45.Specs.csproj
index e5dd326760..e98af8232c 100644
--- a/Tests/TestFrameworks/NSpec3.Net45.Specs/NSpec3.Net45.Specs.csproj
+++ b/Tests/TestFrameworks/NSpec3.Net45.Specs/NSpec3.Net45.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>net451</TargetFramework>
     <RootNamespace>NSpec3.Specs</RootNamespace>
     <AssemblyName>NSpec3.Specs</AssemblyName>
+    <CodeAnalysisRuleSet>..\..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Src\FluentAssertions\FluentAssertions.csproj" />
diff --git a/Tests/TestFrameworks/NUnit2.Net45.Specs/NUnit2.Net45.Specs.csproj b/Tests/TestFrameworks/NUnit2.Net45.Specs/NUnit2.Net45.Specs.csproj
index 3ce37861d6..ae5ef455a9 100644
--- a/Tests/TestFrameworks/NUnit2.Net45.Specs/NUnit2.Net45.Specs.csproj
+++ b/Tests/TestFrameworks/NUnit2.Net45.Specs/NUnit2.Net45.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>net451</TargetFramework>
     <RootNamespace>NUnit2.Specs</RootNamespace>
     <AssemblyName>NUnit2.Specs</AssemblyName>
+    <CodeAnalysisRuleSet>..\..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Src\FluentAssertions\FluentAssertions.csproj" />
diff --git a/Tests/TestFrameworks/NUnit3.Specs/NUnit3.Specs.csproj b/Tests/TestFrameworks/NUnit3.Specs/NUnit3.Specs.csproj
index 3848a214d6..da075bd172 100644
--- a/Tests/TestFrameworks/NUnit3.Specs/NUnit3.Specs.csproj
+++ b/Tests/TestFrameworks/NUnit3.Specs/NUnit3.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>netcoreapp1.1</TargetFramework>
     <RootNamespace>NUnit3.Specs</RootNamespace>
     <AssemblyName>NUnit3.Specs</AssemblyName>
+    <CodeAnalysisRuleSet>..\..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Src\FluentAssertions\FluentAssertions.csproj" />
diff --git a/Tests/TestFrameworks/XUnit.Net45.Specs/XUnit.Net45.Specs.csproj b/Tests/TestFrameworks/XUnit.Net45.Specs/XUnit.Net45.Specs.csproj
index d1527f8858..9e4e5dfaf4 100644
--- a/Tests/TestFrameworks/XUnit.Net45.Specs/XUnit.Net45.Specs.csproj
+++ b/Tests/TestFrameworks/XUnit.Net45.Specs/XUnit.Net45.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>net451</TargetFramework>
     <RootNamespace>XUnit.Specs</RootNamespace>
     <AssemblyName>XUnit.Specs</AssemblyName>
+    <CodeAnalysisRuleSet>..\..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Src\FluentAssertions\FluentAssertions.csproj" />
diff --git a/Tests/TestFrameworks/XUnit2.Specs/XUnit2.Specs.csproj b/Tests/TestFrameworks/XUnit2.Specs/XUnit2.Specs.csproj
index 72c02cd105..b560b8c5bd 100644
--- a/Tests/TestFrameworks/XUnit2.Specs/XUnit2.Specs.csproj
+++ b/Tests/TestFrameworks/XUnit2.Specs/XUnit2.Specs.csproj
@@ -3,6 +3,7 @@
     <TargetFramework>netcoreapp1.1</TargetFramework>
     <RootNamespace>XUnit2.Specs</RootNamespace>
     <AssemblyName>XUnit2.Specs</AssemblyName>
+    <CodeAnalysisRuleSet>..\..\..\TestRules.ruleset</CodeAnalysisRuleSet>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\..\Src\FluentAssertions\FluentAssertions.csproj" />