diff --git a/.gitattributes b/.gitattributes
index d6463eaa155..ae287236aaf 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -778,6 +778,8 @@ src/emu/machine/com8116.c svneol=native#text/plain
 src/emu/machine/com8116.h svneol=native#text/plain
 src/emu/machine/cr589.c svneol=native#text/plain
 src/emu/machine/cr589.h svneol=native#text/plain
+src/emu/machine/ctronics.c svneol=native#text/plain
+src/emu/machine/ctronics.h svneol=native#text/plain
 src/emu/machine/devhelpr.h svneol=native#text/plain
 src/emu/machine/ds1302.c svneol=native#text/plain
 src/emu/machine/ds1302.h svneol=native#text/plain
@@ -3596,8 +3598,6 @@ src/mame/machine/cdislave.c svneol=native#text/plain
 src/mame/machine/cdislave.h svneol=native#text/plain
 src/mame/machine/chaknpop.c svneol=native#text/plain
 src/mame/machine/cps2crpt.c svneol=native#text/plain
-src/mame/machine/ctronics.c svneol=native#text/plain
-src/mame/machine/ctronics.h svneol=native#text/plain
 src/mame/machine/cx4data.c svneol=native#text/plain
 src/mame/machine/cx4fn.c svneol=native#text/plain
 src/mame/machine/cx4oam.c svneol=native#text/plain
diff --git a/src/emu/emu.mak b/src/emu/emu.mak
index 98bdd28c7e0..6c51ef8da25 100644
--- a/src/emu/emu.mak
+++ b/src/emu/emu.mak
@@ -164,6 +164,7 @@ EMUMACHINEOBJS = \
 	$(EMUMACHINE)/cdp1871.o		\
 	$(EMUMACHINE)/com8116.o		\
 	$(EMUMACHINE)/cr589.o		\
+	$(EMUMACHINE)/ctronics.o	\
 	$(EMUMACHINE)/ds1302.o		\
 	$(EMUMACHINE)/ds2401.o		\
 	$(EMUMACHINE)/ds2404.o		\
diff --git a/src/mame/machine/ctronics.c b/src/emu/machine/ctronics.c
similarity index 100%
rename from src/mame/machine/ctronics.c
rename to src/emu/machine/ctronics.c
diff --git a/src/mame/machine/ctronics.h b/src/emu/machine/ctronics.h
similarity index 100%
rename from src/mame/machine/ctronics.h
rename to src/emu/machine/ctronics.h
diff --git a/src/mame/mame.mak b/src/mame/mame.mak
index 3d69df4b3af..2c32248ab48 100644
--- a/src/mame/mame.mak
+++ b/src/mame/mame.mak
@@ -348,7 +348,6 @@ DRVLIBS += \
 
 $(MAMEOBJ)/shared.a: \
 	$(MACHINE)/nmk112.o \
-	$(MACHINE)/ctronics.o \
 	$(MACHINE)/pckeybrd.o \
 	$(MACHINE)/pcshare.o \
 	$(MACHINE)/segacrpt.o \