diff --git a/apps/systemlib/bson/tinybson.c b/apps/systemlib/bson/tinybson.c
index 27878401e7..46ced013d4 100644
--- a/apps/systemlib/bson/tinybson.c
+++ b/apps/systemlib/bson/tinybson.c
@@ -44,7 +44,7 @@
 #include "tinybson.h"
 
 
-#if 1
+#if 0
 # define debug(fmt, args...)		do { warnx("BSON: " fmt, ##args); } while(0)
 #else
 # define debug(fmt, args...)		do { } while(0)
diff --git a/apps/systemlib/param/param.c b/apps/systemlib/param/param.c
index 3db55f967a..13d8df0269 100644
--- a/apps/systemlib/param/param.c
+++ b/apps/systemlib/param/param.c
@@ -59,7 +59,7 @@
 #include "uORB/uORB.h"
 #include "uORB/topics/parameter_update.h"
 
-#if 1
+#if 0
 # define debug(fmt, args...)		do { warnx(fmt, ##args); } while(0)
 #else
 # define debug(fmt, args...)		do { } while(0)