diff --git a/contrib/vhost-user-gpu/virgl.h b/contrib/vhost-user-gpu/virgl.h
index f952bc9d4f..17078783a5 100644
--- a/contrib/vhost-user-gpu/virgl.h
+++ b/contrib/vhost-user-gpu/virgl.h
@@ -11,8 +11,9 @@
  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  * See the COPYING file in the top-level directory.
  */
-#ifndef VUGPU_VIRGL_H_
-#define VUGPU_VIRGL_H_
+
+#ifndef VUGPU_VIRGL_H
+#define VUGPU_VIRGL_H
 
 #include "vugpu.h"
 
diff --git a/contrib/vhost-user-gpu/vugbm.h b/contrib/vhost-user-gpu/vugbm.h
index c0bf27af9b..07e698fcd7 100644
--- a/contrib/vhost-user-gpu/vugbm.h
+++ b/contrib/vhost-user-gpu/vugbm.h
@@ -6,8 +6,9 @@
  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  * See the COPYING file in the top-level directory.
  */
-#ifndef VHOST_USER_GPU_GBM_H
-#define VHOST_USER_GPU_GBM_H
+
+#ifndef VHOST_USER_GPU_VUGBM_H
+#define VHOST_USER_GPU_VUGBM_H
 
 #include "qemu/osdep.h"
 
diff --git a/contrib/vhost-user-gpu/vugpu.h b/contrib/vhost-user-gpu/vugpu.h
index 458e92a1b3..3153c9a6de 100644
--- a/contrib/vhost-user-gpu/vugpu.h
+++ b/contrib/vhost-user-gpu/vugpu.h
@@ -11,8 +11,9 @@
  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  * See the COPYING file in the top-level directory.
  */
-#ifndef VUGPU_H_
-#define VUGPU_H_
+
+#ifndef VUGPU_H
+#define VUGPU_H
 
 #include "qemu/osdep.h"
 
diff --git a/hw/display/virtio-vga.h b/hw/display/virtio-vga.h
index c10bf390aa..c41281a010 100644
--- a/hw/display/virtio-vga.h
+++ b/hw/display/virtio-vga.h
@@ -1,5 +1,5 @@
-#ifndef VIRTIO_VGA_H_
-#define VIRTIO_VGA_H_
+#ifndef VIRTIO_VGA_H
+#define VIRTIO_VGA_H
 
 #include "hw/virtio/virtio-gpu-pci.h"
 #include "vga_int.h"
@@ -29,4 +29,4 @@ typedef struct VirtIOVGABaseClass {
     DeviceReset parent_reset;
 } VirtIOVGABaseClass;
 
-#endif /* VIRTIO_VGA_H_ */
+#endif /* VIRTIO_VGA_H */