diff --git a/src/mame/drivers/cdc721.cpp b/src/mame/drivers/cdc721.cpp
index b8b41520872..43f910675a3 100644
--- a/src/mame/drivers/cdc721.cpp
+++ b/src/mame/drivers/cdc721.cpp
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Robbbert,AJR
+// copyright-holders:AJR
 /************************************************************************************************************
 
 Control Data Corporation CDC 721 Terminal (Viking)
diff --git a/src/mame/drivers/gimix.cpp b/src/mame/drivers/gimix.cpp
index 21feb96f521..df2235b3127 100644
--- a/src/mame/drivers/gimix.cpp
+++ b/src/mame/drivers/gimix.cpp
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Barry Rodewald, Robbbert, 68bit
+// copyright-holders:Barry Rodewald, 68bit
 /*
     Gimix 6809-Based Computers
 
diff --git a/src/mame/drivers/mice.cpp b/src/mame/drivers/mice.cpp
index 52b0a067f86..85e4b5c010b 100644
--- a/src/mame/drivers/mice.cpp
+++ b/src/mame/drivers/mice.cpp
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Miodrag Milanovic, Robbbert
+// copyright-holders:Miodrag Milanovic
 /***************************************************************************
 
 Microtek International Inc MICE (Micro-In-Circuit Emulator)
diff --git a/src/mame/drivers/qvt102.cpp b/src/mame/drivers/qvt102.cpp
index e84afe9ef5d..66c8da436ab 100644
--- a/src/mame/drivers/qvt102.cpp
+++ b/src/mame/drivers/qvt102.cpp
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Robbbert, Dirk Best
+// copyright-holders:Dirk Best
 /****************************************************************************
 
     Qume QVT-102/QVT-102A video terminal
diff --git a/src/mame/drivers/swtpc.cpp b/src/mame/drivers/swtpc.cpp
index 1ca113a3f57..4a01f26b866 100644
--- a/src/mame/drivers/swtpc.cpp
+++ b/src/mame/drivers/swtpc.cpp
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:Robbbert,68bit
+// copyright-holders:68bit
 /***************************************************************************
 
         SWTPC 6800 Computer System
diff --git a/src/mame/drivers/systec.cpp b/src/mame/drivers/systec.cpp
index 86d424c02c2..938d8cf439d 100644
--- a/src/mame/drivers/systec.cpp
+++ b/src/mame/drivers/systec.cpp
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders: Miodrag Milanovic, Robbbert
+// copyright-holders: Miodrag Milanovic
 /***************************************************************************
 
         Systec Z80
diff --git a/src/mame/drivers/tv950.cpp b/src/mame/drivers/tv950.cpp
index 50380a53fbe..f8c0fc8995c 100644
--- a/src/mame/drivers/tv950.cpp
+++ b/src/mame/drivers/tv950.cpp
@@ -1,5 +1,5 @@
 // license:BSD-3-Clause
-// copyright-holders:R. Belmont, Robbbert
+// copyright-holders:R. Belmont
 /***************************************************************************
 
     2013-09-10 Skeleton driver for Televideo TV950