diff --git a/make/defs-dev.mk b/make/defs-dev.mk
index 7105a1fe..6b7efe07 100644
--- a/make/defs-dev.mk
+++ b/make/defs-dev.mk
@@ -243,5 +243,5 @@ USE_COMPILER_DEBUG_OPTS        ?= true
 BREAK_ABI                       ?= true
 #INSTALL_HOME_BIN_WRAPPERS       ?= true
 
-export MALLOC_CHECK_ = 3
+#export MALLOC_CHECK_ = 3