diff --git a/ILSpy/Analyzers/ExportAnalyzerAttribute.cs b/ILSpy/Analyzers/ExportAnalyzerAttribute.cs
new file mode 100644
index 000000000..e17f6585e
--- /dev/null
+++ b/ILSpy/Analyzers/ExportAnalyzerAttribute.cs
@@ -0,0 +1,35 @@
+// Copyright (c) 2018 Siegfried Pammer
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy of this
+// software and associated documentation files (the "Software"), to deal in the Software
+// without restriction, including without limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
+// to whom the Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in all copies or
+// substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+
+using System;
+using System.ComponentModel.Composition;
+
+namespace ICSharpCode.ILSpy.Analyzers
+{
+	[MetadataAttribute]
+	[AttributeUsage(AttributeTargets.Class, AllowMultiple = false)]
+	public class ExportAnalyzerAttribute : ExportAttribute, IAnalyzerMetadata
+	{
+		public ExportAnalyzerAttribute() : base("Analyzer", typeof(IAnalyzer))
+		{ }
+
+		public string Header { get; set; }
+
+		public int Order { get; set; }
+	}
+}
diff --git a/ILSpy/Analyzers/IAnalyzer.cs b/ILSpy/Analyzers/IAnalyzer.cs
index 335e5e13d..ca9d41760 100644
--- a/ILSpy/Analyzers/IAnalyzer.cs
+++ b/ILSpy/Analyzers/IAnalyzer.cs
@@ -16,9 +16,7 @@
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 // DEALINGS IN THE SOFTWARE.
 
-using System;
 using System.Collections.Generic;
-using System.ComponentModel.Composition;
 
 using ICSharpCode.Decompiler.TypeSystem;
 
@@ -41,18 +39,6 @@ namespace ICSharpCode.ILSpy.Analyzers
 		IEnumerable<ISymbol> Analyze(ISymbol analyzedSymbol, AnalyzerContext context);
 	}
 
-	[MetadataAttribute]
-	[AttributeUsage(AttributeTargets.Class, AllowMultiple = false)]
-	public class ExportAnalyzerAttribute : ExportAttribute, IAnalyzerMetadata
-	{
-		public ExportAnalyzerAttribute() : base("Analyzer", typeof(IAnalyzer))
-		{ }
-
-		public string Header { get; set; }
-
-		public int Order { get; set; }
-	}
-
 	public interface IAnalyzerMetadata
 	{
 		string Header { get; }