diff --git a/sim/mn10300/ChangeLog b/sim/mn10300/ChangeLog
index b7a45b33c4..7a9d3b3bef 100644
--- a/sim/mn10300/ChangeLog
+++ b/sim/mn10300/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-17  Mike Frysinger  <vapier@gentoo.org>
+
+	* sim-main.h (WITH_CORE): Delete.
+
 2015-11-15  Mike Frysinger  <vapier@gentoo.org>
 
 	* Makefile.in (SIM_OBJS): Delete sim-reason.o and sim-stop.o.
diff --git a/sim/mn10300/sim-main.h b/sim/mn10300/sim-main.h
index 847506e4fe..2b06de0016 100644
--- a/sim/mn10300/sim-main.h
+++ b/sim/mn10300/sim-main.h
@@ -22,7 +22,6 @@
 #ifndef SIM_MAIN_H
 #define SIM_MAIN_H
 
-#define WITH_CORE
 #define WITH_WATCHPOINTS 1
 #define SIM_HANDLES_LMA 1
 
diff --git a/sim/v850/ChangeLog b/sim/v850/ChangeLog
index 7efd9d15bc..59cdf8dc23 100644
--- a/sim/v850/ChangeLog
+++ b/sim/v850/ChangeLog
@@ -1,3 +1,7 @@
+2015-11-17  Mike Frysinger  <vapier@gentoo.org>
+
+	* sim-main.h (WITH_CORE): Delete.
+
 2015-11-17  Mike Frysinger  <vapier@gentoo.org>
 
 	* sim-main.h (WITH_MODULO_MEMORY): Delete.
diff --git a/sim/v850/sim-main.h b/sim/v850/sim-main.h
index 0c041ba2cc..23b23cbf02 100644
--- a/sim/v850/sim-main.h
+++ b/sim/v850/sim-main.h
@@ -3,7 +3,6 @@
 
 /* General config options */
 
-#define WITH_CORE
 #define WITH_WATCHPOINTS 1