diff --git a/src/Middleware/HostFiltering/sample/HostFilteringSample.csproj b/src/Middleware/HostFiltering/sample/HostFilteringSample.csproj
index d10e5be3fd..a3af4c632a 100644
--- a/src/Middleware/HostFiltering/sample/HostFilteringSample.csproj
+++ b/src/Middleware/HostFiltering/sample/HostFilteringSample.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Middleware/HttpOverrides/sample/HttpOverridesSample.csproj b/src/Middleware/HttpOverrides/sample/HttpOverridesSample.csproj
index 1a3cd4f427..7b8a31369d 100644
--- a/src/Middleware/HttpOverrides/sample/HttpOverridesSample.csproj
+++ b/src/Middleware/HttpOverrides/sample/HttpOverridesSample.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs b/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs
index 8143e9adad..bafd403c35 100644
--- a/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs
+++ b/src/Middleware/HttpOverrides/src/ForwardedHeadersMiddleware.cs
@@ -146,7 +146,7 @@ namespace Microsoft.AspNetCore.HttpOverrides
 
         public void ApplyForwarders(HttpContext context)
         {
-            // Gather expected headers. Enabled headers must have the same number of entries.
+            // Gather expected headers.
             string[] forwardedFor = null, forwardedProto = null, forwardedHost = null;
             bool checkFor = false, checkProto = false, checkHost = false;
             int entryCount = 0;
@@ -282,7 +282,7 @@ namespace Microsoft.AspNetCore.HttpOverrides
                     }
                     else if (_options.RequireHeaderSymmetry)
                     {
-                        _logger.LogWarning(4, $"Incorrect number of x-forwarded-proto header values, see {nameof(_options.RequireHeaderSymmetry)}.");
+                        _logger.LogWarning(4, $"Incorrect number of x-forwarded-host header values, see {nameof(_options.RequireHeaderSymmetry)}.");
                         return;
                     }
                 }
diff --git a/src/Middleware/HttpsPolicy/sample/HttpsPolicySample.csproj b/src/Middleware/HttpsPolicy/sample/HttpsPolicySample.csproj
index 80a9169649..aea2ed8ba3 100644
--- a/src/Middleware/HttpsPolicy/sample/HttpsPolicySample.csproj
+++ b/src/Middleware/HttpsPolicy/sample/HttpsPolicySample.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Middleware/HttpsPolicy/test/Microsoft.AspNetCore.HttpsPolicy.Tests.csproj b/src/Middleware/HttpsPolicy/test/Microsoft.AspNetCore.HttpsPolicy.Tests.csproj
index e6118f3e2c..2e47300f58 100644
--- a/src/Middleware/HttpsPolicy/test/Microsoft.AspNetCore.HttpsPolicy.Tests.csproj
+++ b/src/Middleware/HttpsPolicy/test/Microsoft.AspNetCore.HttpsPolicy.Tests.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Middleware/ResponseCompression/perf/Microsoft.AspNetCore.ResponseCompression.Performance.csproj b/src/Middleware/ResponseCompression/perf/Microsoft.AspNetCore.ResponseCompression.Performance.csproj
index 452fab3f2c..22d6db441c 100644
--- a/src/Middleware/ResponseCompression/perf/Microsoft.AspNetCore.ResponseCompression.Performance.csproj
+++ b/src/Middleware/ResponseCompression/perf/Microsoft.AspNetCore.ResponseCompression.Performance.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Middleware/ResponseCompression/sample/ResponseCompressionSample.csproj b/src/Middleware/ResponseCompression/sample/ResponseCompressionSample.csproj
index e73d9312ed..434c42ba0c 100644
--- a/src/Middleware/ResponseCompression/sample/ResponseCompressionSample.csproj
+++ b/src/Middleware/ResponseCompression/sample/ResponseCompressionSample.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/src/Middleware/ResponseCompression/src/Microsoft.AspNetCore.ResponseCompression.csproj b/src/Middleware/ResponseCompression/src/Microsoft.AspNetCore.ResponseCompression.csproj
index 1a79eaa8b0..68bafb36d8 100644
--- a/src/Middleware/ResponseCompression/src/Microsoft.AspNetCore.ResponseCompression.csproj
+++ b/src/Middleware/ResponseCompression/src/Microsoft.AspNetCore.ResponseCompression.csproj
@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>ASP.NET Core middleware for HTTP Response compression.</Description>
-    <TargetFrameworks>net461;netstandard2.0;netcoreapp2.1</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <PackageTags>aspnetcore</PackageTags>
   </PropertyGroup>
@@ -10,6 +10,7 @@
   <ItemGroup>
     <Reference Include="Microsoft.Extensions.Logging.Abstractions" />
     <Reference Include="Microsoft.AspNetCore.Http.Extensions" />
+    <Reference Include="Microsoft.Extensions.Logging.Abstractions" />
     <Reference Include="Microsoft.Extensions.Options" />
   </ItemGroup>
 
diff --git a/src/Middleware/Rewrite/sample/RewriteSample.csproj b/src/Middleware/Rewrite/sample/RewriteSample.csproj
index 9716ca1172..7869723e48 100644
--- a/src/Middleware/Rewrite/sample/RewriteSample.csproj
+++ b/src/Middleware/Rewrite/sample/RewriteSample.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFrameworks>netcoreapp2.2;net461</TargetFrameworks>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>