diff --git a/gtsam/base/DenseQR.cpp b/gtsam/base/DenseQR.cpp
index 0957b6cac..9d7ccea6b 100644
--- a/gtsam/base/DenseQR.cpp
+++ b/gtsam/base/DenseQR.cpp
@@ -14,7 +14,7 @@
 
 #include "DenseQR.h"
 
-#define DEBUG_MEMORY
+//#define DEBUG_MEMORY
 
 // all the lapack functions we need here
 extern "C" {