diff --git a/src/ial/linux-libinput.c b/src/ial/linux-libinput.c
index 1f1b20c8..4b540b24 100644
--- a/src/ial/linux-libinput.c
+++ b/src/ial/linux-libinput.c
@@ -54,7 +54,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define _DEBUG
 #include "common.h"
 
 #ifdef _MGIAL_LIBINPUT
@@ -602,7 +601,7 @@ static int wait_event_ex (int maxfd, fd_set *in, fd_set *out, fd_set *except,
         device = libinput_event_get_device(event);
         seat = libinput_device_get_seat(device);
         seat_name = libinput_seat_get_logical_name(seat);
-        _DBG_PRINTF("IAL>LIBINPUT: a new event device added: %s\n", seat_name);
+        _MG_PRINTF("IAL>LIBINPUT: a new event device added: %s\n", seat_name);
         break;
     }
 
@@ -614,7 +613,7 @@ static int wait_event_ex (int maxfd, fd_set *in, fd_set *out, fd_set *except,
         device = libinput_event_get_device(event);
         seat = libinput_device_get_seat(device);
         seat_name = libinput_seat_get_logical_name(seat);
-        _DBG_PRINTF("IAL>LIBINPUT: an event device removed: %s\n", seat_name);
+        _MG_PRINTF("IAL>LIBINPUT: an event device removed: %s\n", seat_name);
         break;
     }
 
diff --git a/src/newgal/surface.c b/src/newgal/surface.c
index 1099cc35..65ebc743 100644
--- a/src/newgal/surface.c
+++ b/src/newgal/surface.c
@@ -48,7 +48,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define _DEBUG
 #include "common.h"
 #include "newgal.h"
 #include "sysvideo.h"
diff --git a/src/sysres/resmgr.c b/src/sysres/resmgr.c
index 6cd439d7..fbb4226b 100644
--- a/src/sysres/resmgr.c
+++ b/src/sysres/resmgr.c
@@ -66,8 +66,6 @@
 #include <pthread.h>
 #endif
 
-#define _DEBUG
-
 #include "common.h"
 #include "minigui.h"
 #include "gdi.h"