diff --git a/src/Umbraco.Core/Models/Blocks/IBlockEditorDataHelper.cs b/src/Umbraco.Core/Models/Blocks/IBlockEditorDataHelper.cs
deleted file mode 100644
index 32f8431e65..0000000000
--- a/src/Umbraco.Core/Models/Blocks/IBlockEditorDataHelper.cs
+++ /dev/null
@@ -1,11 +0,0 @@
-using Newtonsoft.Json.Linq;
-using System.Collections.Generic;
-
-namespace Umbraco.Core.Models.Blocks
-{
-    public interface IBlockEditorDataHelper
-    {
-        IEnumerable<IBlockReference> GetBlockReferences(JObject layout);
-        bool IsEditorSpecificPropertyKey(string propertyKey);
-    }
-}
diff --git a/src/Umbraco.Core/Umbraco.Core.csproj b/src/Umbraco.Core/Umbraco.Core.csproj
index a5c1141d8b..1c5e14a6b8 100755
--- a/src/Umbraco.Core/Umbraco.Core.csproj
+++ b/src/Umbraco.Core/Umbraco.Core.csproj
@@ -137,7 +137,6 @@
     <Compile Include="Models\Blocks\BlockListLayoutItem.cs" />
     <Compile Include="Models\Blocks\BlockListEditorDataConverter.cs" />
     <Compile Include="Models\Blocks\IBlockReference.cs" />
-    <Compile Include="Models\Blocks\IBlockEditorDataHelper.cs" />
     <Compile Include="Models\ContentDataIntegrityReport.cs" />
     <Compile Include="Models\ContentDataIntegrityReportEntry.cs" />
     <Compile Include="Models\ContentDataIntegrityReportOptions.cs" />