diff --git a/SkipList.cpp b/SkipList.cpp
index 3d4e8ea..d3b7db4 100644
--- a/SkipList.cpp
+++ b/SkipList.cpp
@@ -699,9 +699,11 @@ __attribute__((__visibility__("default"))) void ConflictSet_destroy(void *cs) {
 }
 }
 
+#if SHOW_MEMORY
 struct __attribute__((visibility("default"))) PeakPrinter {
   ~PeakPrinter() {
     printf("malloc bytes: %g\n", double(mallocBytes));
     printf("Peak malloc bytes: %g\n", double(peakMallocBytes));
   }
-} peakPrinter;
\ No newline at end of file
+} peakPrinter;
+#endif
\ No newline at end of file