diff --git a/VMCPlugin.pro b/VMCPlugin.pro
index 9735ac7..e021279 100644
--- a/VMCPlugin.pro
+++ b/VMCPlugin.pro
@@ -64,9 +64,6 @@ DEFINES += VMCPLUGIN_LIBRARY
 
 # ATBAPP interface
 HEADERS += \
-    AppControl.h \
-    ATBHMIconfig.h \
-    atb_system.h \
     include/interfaces.h \
     src/ATBAPP/VMCInterface.h \
     src/ATBAPP/ATBVMCPlugin.h \
@@ -78,9 +75,6 @@ HEADERS += \
     src/ATBAPP/support/VendingData.h
 
 SOURCES += \
-    atb_system.cpp \
-    AppControl.cpp \
-    ATBHMIconfig.cpp \
     src/ATBAPP/ATBVMCPlugin.cpp \
     src/ATBAPP/support/VMC/com_interface.cpp \
     src/ATBAPP/support/VMC/ReceiveBuffer.cpp \