diff --git a/lib/Analysis/RegionInfo.cpp b/lib/Analysis/RegionInfo.cpp
index 46aa1bcf045..790cbdf15b8 100644
--- a/lib/Analysis/RegionInfo.cpp
+++ b/lib/Analysis/RegionInfo.cpp
@@ -147,9 +147,11 @@ void RegionInfoPass::print(raw_ostream &OS, const Module *) const {
   RI.print(OS);
 }
 
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 void RegionInfoPass::dump() const {
   RI.dump();
 }
+#endif
 
 char RegionInfoPass::ID = 0;
 
diff --git a/lib/CodeGen/MachineRegionInfo.cpp b/lib/CodeGen/MachineRegionInfo.cpp
index c54a794d75c..54b2eb44298 100644
--- a/lib/CodeGen/MachineRegionInfo.cpp
+++ b/lib/CodeGen/MachineRegionInfo.cpp
@@ -111,9 +111,11 @@ void MachineRegionInfoPass::print(raw_ostream &OS, const Module *) const {
   RI.print(OS);
 }
 
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 void MachineRegionInfoPass::dump() const {
   RI.dump();
 }
+#endif
 
 char MachineRegionInfoPass::ID = 0;