diff --git a/src/mame/sunelectronics/markham.cpp b/src/mame/sunelectronics/markham.cpp
index 5afa532de57..f9f7b337a0d 100644
--- a/src/mame/sunelectronics/markham.cpp
+++ b/src/mame/sunelectronics/markham.cpp
@@ -2,8 +2,7 @@
 // copyright-holders:Uki
 /*****************************************************************************
 
-    Markham (c) 1983 Sun Electronics
-    Strength & Skill (c) 1984 Sun Electronics
+    Sun Electronics Markham / Strength & Skill hardware
 
     Driver by Uki
 
@@ -18,9 +17,9 @@
     Pettan Pyuu is a clone of Banbam although with different levels / play fields.
 
     The MCU controls:
-      - general protection startup
-      - the time between when enemies spawn
-      - graphics selection for playfields
+    - general protection startup
+    - the time between when enemies spawn
+    - graphics selection for playfields
 
 *****************************************************************************/
 
diff --git a/src/mame/sunelectronics/markham.h b/src/mame/sunelectronics/markham.h
index a9943c71edf..23040c05b2e 100644
--- a/src/mame/sunelectronics/markham.h
+++ b/src/mame/sunelectronics/markham.h
@@ -1,11 +1,5 @@
 // license:BSD-3-Clause
 // copyright-holders:Uki
-/*************************************************************************
-
-    Markham (c) 1983 Sun Electronics
-    Strength & Skill (c) 1984 Sun Electronics
-
-*************************************************************************/
 
 #ifndef MAME_SUNELECTRONICS_MARKHAM_H
 #define MAME_SUNELECTRONICS_MARKHAM_H
diff --git a/src/mame/sunelectronics/markham_v.cpp b/src/mame/sunelectronics/markham_v.cpp
index c5b7d99bb69..32870c0cda7 100644
--- a/src/mame/sunelectronics/markham_v.cpp
+++ b/src/mame/sunelectronics/markham_v.cpp
@@ -2,9 +2,6 @@
 // copyright-holders:Uki
 /******************************************************************************
 
-    Markham (c) 1983 Sun Electronics
-    Strength & Skill (c) 1984 Sun Electronics
-
     Video hardware driver by Uki
 
 ******************************************************************************/