1 files changed, 2 insertions, 3 deletions
diff --git a/include/clang/Driver/Util.h b/include/clang/Driver/Util.h
index 06b82b977fe0..b24b9904f2b5 100644
--- a/include/clang/Driver/Util.h
+++ b/include/clang/Driver/Util.h
@@ -14,13 +14,12 @@
 #include "llvm/ADT/DenseMap.h"
 
 namespace clang {
+class DiagnosticsEngine;
+
 namespace driver {
   class Action;
   class JobAction;
 
-  /// ArgStringList - Type used for constructing argv lists for subprocesses.
-  typedef SmallVector<const char*, 16> ArgStringList;
-
   /// ArgStringMap - Type used to map a JobAction to its result file.
   typedef llvm::DenseMap<const JobAction*, const char*> ArgStringMap;