diff --git a/DEVGUIDE.md b/DEVGUIDE.md
index d7f8318118cba513626d93b696ba10a70f168ceb..73d3ef08f4973566bfd54a151ebb21b2c5285497 100644
--- a/DEVGUIDE.md
+++ b/DEVGUIDE.md
@@ -99,9 +99,6 @@ To build and test Visual F# IDE Tools, install these requirements:
   - Under the "Windows" workloads, select ".NET desktop development"
     - Select "F# language support" under the optional components
   - Under the "Other Toolsets" workloads, select "Visual Studio extension development"
-  - Under the "Individual components" tab select "Windows 10 SDK" as shown below (needed for compiling RC resource, see #2556): \
-  ![image](https://cloud.githubusercontent.com/assets/1249087/23730261/5c78c850-041b-11e7-9d9d-62766351fd0f.png)
-  - Failing to install this will lead to error FS0193: Could not find file visualfsharp\vsintegration\src\FSharp.ProjectSystem.FSharp\obj\net40\ProjectResources.rc.res.
 
 Steps to build:
 
diff --git a/vsintegration/src/FSharp.ProjectSystem.FSharp/ProjectResources.rc b/vsintegration/src/FSharp.ProjectSystem.FSharp/ProjectResources.rc
deleted file mode 100644
index c205f665be72e0161ec966c538b6f64e0e177b9a..0000000000000000000000000000000000000000
--- a/vsintegration/src/FSharp.ProjectSystem.FSharp/ProjectResources.rc
+++ /dev/null
@@ -1,12 +0,0 @@
-// Copyright (c) Microsoft Corporation.  All Rights Reserved.  See License.txt in the project root for license information.
-
-// Note that, regardless of what numbers are given here, the wix code (src\wix\script.fs) that references these uses 'IconIndex' starting at 0
-#define FS       100
-#define FSI      101
-#define FSX      102
-#define FSPROJ   103
-// Note that these are not always the same as the .bmp that appears in Solution Explorer, but we think these are best for 'windows folder' for now
-FS       ICON "Resources\FSharpCodeFile_32.ico"
-FSI      ICON "Resources\FSharpSignature.ico"
-FSX      ICON "Resources\FSharpScript.ico"
-FSPROJ   ICON "Resources\FSharpAboutBox.ico"
diff --git a/vsintegration/src/FSharp.ProjectSystem.FSharp/ProjectSystem.fsproj b/vsintegration/src/FSharp.ProjectSystem.FSharp/ProjectSystem.fsproj
index ff08f31bb70f091b96dd8f24e21c63b2221f932b..2708ef1e62cfd3c185a803cd694f4f950b168d67 100644
--- a/vsintegration/src/FSharp.ProjectSystem.FSharp/ProjectSystem.fsproj
+++ b/vsintegration/src/FSharp.ProjectSystem.FSharp/ProjectSystem.fsproj
@@ -21,7 +21,6 @@
     <TargetFrameworkVersion>v4.6</TargetFrameworkVersion>
     <OtherFlags>$(OtherFlags) --warnon:1182 --subsystemversion:6.00</OtherFlags>
     <Tailcalls Condition="'$(CodeCoverage)' != ''">false</Tailcalls>
-    <RCResourceFile>ProjectResources.rc</RCResourceFile>
     <ImportVSSDKTargets>true</ImportVSSDKTargets>
     <CreateVsixContainer>false</CreateVsixContainer>
     <DeployExtension>false</DeployExtension>
@@ -39,15 +38,6 @@
   <Target Name="CopyCtoFile">
     <Copy SourceFiles="@(VSCTCompile->'$(IntermediateOutputPath)%(FileName).cto')" DestinationFiles="@(VSCTCompile->'ctofiles\%(FileName).cto')" />
   </Target>
-  <PropertyGroup>
-    <Win32Resource>$(IntermediateOutputPath)\ProjectResources.rc.res</Win32Resource>
-  </PropertyGroup>
-  <Target Name="BeforeBuild" Condition="!Exists('$(IntermediateOutputPath)$(RCResourceFile).res')">
-    <Exec Command="&quot;$(ProgramFiles)\Windows Kits\10\bin\$(UCRTVersion)\x86\rc.exe&quot; /fo $(IntermediateOutputPath)$(RCResourceFile).res $(RCResourceFile)" Condition="Exists('$(ProgramFiles)\Windows Kits\10\bin\$(UCRTVersion)\x86\rc.exe')" />
-    <Exec Command="&quot;$(ProgramFiles)\Windows Kits\8.1\bin\x86\rc.exe&quot; /fo $(IntermediateOutputPath)$(RCResourceFile).res $(RCResourceFile)" Condition="Exists('$(ProgramFiles)\Windows Kits\8.1\bin\x86\rc.exe')" />
-    <Exec Command="&quot;$(ProgramFiles)\Windows Kits\10\bin\x86\rc.exe&quot; /fo $(IntermediateOutputPath)$(RCResourceFile).res $(RCResourceFile)" Condition="Exists('$(ProgramFiles)\Windows Kits\10\bin\x86\rc.exe')" />
-    <Exec Command="&quot;$(ProgramFiles)\Windows Kits\10\bin\10.0.15063.0\x86\rc.exe&quot; /fo $(IntermediateOutputPath)$(RCResourceFile).res $(RCResourceFile)" Condition="Exists('$(ProgramFiles)\Windows Kits\10\bin\10.0.15063.0\x86\rc.exe')" />
-  </Target>
   <Target Name="GatherBinariesToBeSigned" AfterTargets="Localize" Condition="'$(UseGatherBinaries)' == 'true'">
     <ItemGroup>
       <BinariesToBeSigned Include="$(OutDir)$(AssemblyName).dll" />
diff --git a/vsintegration/tests/unittests/Tests.ProjectSystem.Miscellaneous.fs b/vsintegration/tests/unittests/Tests.ProjectSystem.Miscellaneous.fs
index a90f9d286512e7450f10ee791d6953d5e2cbf472..361f6569b164be36a4816fcd301460bf7706cb5f 100644
--- a/vsintegration/tests/unittests/Tests.ProjectSystem.Miscellaneous.fs
+++ b/vsintegration/tests/unittests/Tests.ProjectSystem.Miscellaneous.fs
@@ -630,41 +630,6 @@ type Miscellaneous() =
                 project.Close() |> ignore
         )
 
-
-module Regression5312 = 
-    // Regression testing ICONS in project system dll
-    open System
-    open System.Drawing
-    open System.Runtime.InteropServices
-    [<DllImport("shell32.dll", CharSet=CharSet.Auto)>]
-    extern int32 ExtractIconEx(string szFileName, int nIconIndex,IntPtr[] phiconLarge, IntPtr[] phiconSmall,uint32 nIcons)
-
-    [<DllImport("user32.dll", EntryPoint="DestroyIcon", SetLastError=true)>]
-    extern int DestroyIcon(IntPtr hIcon)
-
-    let extractIcon (path:string) (large:bool) =
-        let n = 10 
-        let hIconLarge = Array.create n IntPtr.Zero
-        let hIconSmall = Array.create n IntPtr.Zero
-        try
-            let readIconCount = ExtractIconEx(path,0,hIconLarge,hIconSmall,uint32 n)
-            if readIconCount > 0 then
-                if large then
-                    Array.init readIconCount (fun i -> Icon.FromHandle(hIconLarge.[0]).Clone() :?> Icon)
-                else
-                    Array.init readIconCount (fun i -> Icon.FromHandle(hIconSmall.[0]).Clone() :?> Icon)
-            else
-                [| |]           
-        finally
-            hIconLarge |> Array.iter (fun ptr -> if ptr <> IntPtr.Zero then DestroyIcon ptr |> ignore<int>)
-            hIconSmall |> Array.iter (fun ptr -> if ptr <> IntPtr.Zero then DestroyIcon ptr |> ignore<int>)
-
-    /// Given path to FSharp.Project.FSharpProject.dll, check the icons are present.
-    /// Throws of failure.
-    let checkIcons nExpected (path:string) =
-        let icons = extractIcon path true
-        if icons.Length<>nExpected then failwithf "Expected %d icons in %s" nExpected path // "
-
 [<TestFixture>]
 type Utilities() = 
     (*
@@ -745,13 +710,6 @@ type Utilities() =
     [<Test>]
     member public this.``PublicKeyToken.0a00000000000001``() = CheckPublicKeyToString([|0xauy;0uy;0uy;0uy;0uy;0uy;0uy;1uy|], "0a00000000000001")
 
-    [<Test>]      
-    member public this.``CheckIconsInProjectSystemDLL_Regression5312``() = 
-        let path = typeof<Microsoft.VisualStudio.FSharp.ProjectSystem.FSharpProjectPackage>.Assembly.Location
-        Regression5312.checkIcons 4 path
-        ()
-
-
     [<Test>]
     member public this.``Parse MSBuild property of type Int64`` () = 
         Assert.AreEqual(123L, ProjectNode.ParsePropertyValueToInt64("123"))