diff --git a/compiler/optimizing/ssa_builder.h b/compiler/optimizing/ssa_builder.h
index 79f1a28..da0583c 100644
--- a/compiler/optimizing/ssa_builder.h
+++ b/compiler/optimizing/ssa_builder.h
@@ -81,6 +81,8 @@
   static constexpr const char* kSsaBuilderPassName = "ssa_builder";
 
  private:
+  void SetLoopPhiInputs();
+  void FixEnvironmentPhis();
   void FixNullConstantType();
   void EquivalentPhisCleanup();