diff --git a/ion/src/simulator/linux/Makefile b/ion/src/simulator/linux/Makefile
index ca7da03fa..b05bba115 100644
--- a/ion/src/simulator/linux/Makefile
+++ b/ion/src/simulator/linux/Makefile
@@ -28,7 +28,6 @@ ion_src += $(addprefix ion/src/simulator/shared/, \
   collect_registers.cpp \
   haptics.cpp \
   journal.cpp \
-  platform_action_modifier_ctrl.cpp \
   state_file.cpp \
 )