diff --git a/include/llvm/Type.h b/include/llvm/Type.h
index 2f83328a2d6..c54b584e3d4 100644
--- a/include/llvm/Type.h
+++ b/include/llvm/Type.h
@@ -22,13 +22,8 @@
 
 namespace llvm {
 
-class ArrayType;
 class DerivedType;
-class FunctionType;
-class OpaqueType;
 class PointerType;
-class StructType;
-class PackedType;
 class TypeMapBase;
 
 /// This file contains the declaration of the Type class.  For more "Type" type