diff --git a/compiler/driver/compiler_options.h b/compiler/driver/compiler_options.h
index 3c920d9..4eb6954 100644
--- a/compiler/driver/compiler_options.h
+++ b/compiler/driver/compiler_options.h
@@ -29,6 +29,8 @@
 
 namespace art {
 
+class DexFile;
+
 class CompilerOptions FINAL {
  public:
   // Guide heuristics to determine whether to compile method if profile data not available.