diff --git a/arch/sim/src/Makefile b/arch/sim/src/Makefile
index 3ea0c709d5b..8cc91ff7d9c 100644
--- a/arch/sim/src/Makefile
+++ b/arch/sim/src/Makefile
@@ -126,15 +126,20 @@ ifeq ($(CONFIG_NX_LCDDRIVER),y)
 else
   CSRCS += up_framebuffer.c
 ifeq ($(CONFIG_SIM_X11FB),y)
+ifeq ($(CONFIG_SIM_X11NOSHM),y)
+  HOSTCFLAGS += -DCONFIG_SIM_X11NOSHM=1
+endif
   HOSTSRCS += up_x11framebuffer.c
   STDLIBS += -lX11 -lXext
 ifeq ($(CONFIG_SIM_TOUCHSCREEN),y)
   CSRCS += up_touchscreen.c
   REQUIREDOBJS += up_touchscreen$(OBJEXT)
+  HOSTCFLAGS += -DCONFIG_SIM_TOUCHSCREEN=1
   HOSTSRCS += up_x11eventloop.c
 else
 ifeq ($(CONFIG_SIM_AJOYSTICK),y)
   CSRCS += up_ajoystick.c
+  HOSTCFLAGS += -DCONFIG_SIM_AJOYSTICK=1
   HOSTSRCS += up_x11eventloop.c
 endif
 endif
diff --git a/arch/sim/src/sim/up_x11framebuffer.c b/arch/sim/src/sim/up_x11framebuffer.c
index 7065a9448b3..8704a85d8db 100644
--- a/arch/sim/src/sim/up_x11framebuffer.c
+++ b/arch/sim/src/sim/up_x11framebuffer.c
@@ -37,8 +37,6 @@
  * Included Files
  ****************************************************************************/
 
-#define CONFIG_SIM_X11NOSHM 1
-
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>