diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 69cdafc1b10f..221e51834345 100644
--- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -53,7 +53,9 @@ static cl::opt<bool> UnknownLocations("use-unknown-locations", cl::Hidden,
      cl::desc("Make an absense of debug location information explicit."),
      cl::init(false));
 
+#ifndef NDEBUG
 STATISTIC(BlocksWithoutLineNo, "Number of blocks without any line number");
+#endif
 
 namespace {
   const char *DWARFGroupName = "DWARF Emission";
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 7b7ea2b265a5..26a672c03413 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -56,10 +56,13 @@ STATISTIC(NumFastIselFailures, "Number of instructions fast isel failed on");
 STATISTIC(NumFastIselBlocks, "Number of blocks selected entirely by fast isel");
 STATISTIC(NumDAGBlocks, "Number of blocks selected using DAG");
 STATISTIC(NumDAGIselRetries,"Number of times dag isel has to try another path");
+
+#ifndef NDEBUG
 STATISTIC(NumBBWithOutOfOrderLineInfo, 
           "Number of blocks with out of order line number info");
 STATISTIC(NumMBBWithOutOfOrderLineInfo, 
           "Number of machine blocks with out of order line number info");
+#endif
 
 static cl::opt<bool>
 EnableFastISelVerbose("fast-isel-verbose", cl::Hidden,