diff --git a/src/sio.h b/src/sio.h
index c38364504..b618bfe1e 100644
--- a/src/sio.h
+++ b/src/sio.h
@@ -8,8 +8,6 @@
  *
  *		Definitions for the Super I/O chips.
  *
- * Version:	@(#)sio.h	1.0.7	2020/01/25
- *
  * Author:	Fred N. van Kempen, <decwiz@yahoo.com>
  *		Copyright 2017-2020 Fred N. van Kempen.
  */
diff --git a/src/sio_f82c710.c b/src/sio_f82c710.c
index d6b988a97..fbd7a4848 100644
--- a/src/sio_f82c710.c
+++ b/src/sio_f82c710.c
@@ -8,8 +8,6 @@
  *
  *		Implementation of the Chips & Technologies F82C710 Universal Peripheral Controller (UPC).
  *
- * Version:	@(#)sio_f82c710.c	1.0.0	2020/03/12
- *
  * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
  *		Eluan Costa Miranda <eluancm@gmail.com>
  *
diff --git a/src/sound/snd_sb.h b/src/sound/snd_sb.h
index ee996b923..b844334bf 100644
--- a/src/sound/snd_sb.h
+++ b/src/sound/snd_sb.h
@@ -8,8 +8,6 @@
  *
  *		Sound Blaster emulation.
  *
- * Version:	@(#)sound_sb.h	1.0.4	2020/02/17
- *
  * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
  *		Miran Grca, <mgrca8@gmail.com>
  *		TheCollector1995, <mariogplayer@gmail.com>
diff --git a/src/win/win_joystick_rawinput.c b/src/win/win_joystick_rawinput.c
index 85e8f31df..2eb724ae0 100644
--- a/src/win/win_joystick_rawinput.c
+++ b/src/win/win_joystick_rawinput.c
@@ -8,8 +8,6 @@
  *
  *		RawInput joystick interface.
  *
- * Version:	@(#)win_joystick_rawinput.c	1.0.0	2020/1/19
- *
  * Authors:	Sarah Walker, <http://pcem-emulator.co.uk/>
  *		Miran Grca, <mgrca8@gmail.com>
  *              GH Cao, <driver1998.ms@outlook.com>