diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 70d1bb3..c282332 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -284,9 +284,11 @@
   return std::make_pair(Result, Result + Num);
 }
 
+#ifndef NDEBUG
 void MachineFunction::dump() const {
   print(dbgs());
 }
+#endif
 
 StringRef MachineFunction::getName() const {
   assert(getFunction() && "No function!");
@@ -532,9 +534,11 @@
   }
 }
 
+#ifndef NDEBUG
 void MachineFrameInfo::dump(const MachineFunction &MF) const {
   print(MF, dbgs());
 }
+#endif
 
 //===----------------------------------------------------------------------===//
 //  MachineJumpTableInfo implementation
@@ -629,7 +633,9 @@
   OS << '\n';
 }
 
+#ifndef NDEBUG
 void MachineJumpTableInfo::dump() const { print(dbgs()); }
+#endif
 
 
 //===----------------------------------------------------------------------===//
@@ -762,4 +768,6 @@
   }
 }
 
+#ifndef NDEBUG
 void MachineConstantPool::dump() const { print(dbgs()); }
+#endif