diff --git a/src/debugger/gui/module.mk b/src/debugger/gui/module.mk
index 04428e518..c5bc0a2e5 100644
--- a/src/debugger/gui/module.mk
+++ b/src/debugger/gui/module.mk
@@ -31,8 +31,6 @@ MODULE_OBJS := \
         src/debugger/gui/CartE0Widget.o \
         src/debugger/gui/CartEnhancedWidget.o \
         src/debugger/gui/CartMNetworkWidget.o \
-        src/debugger/gui/CartE7Widget.o \
-        src/debugger/gui/CartE78KWidget.o \
         src/debugger/gui/CartEFSCWidget.o \
         src/debugger/gui/CartEFWidget.o \
         src/debugger/gui/CartF0Widget.o \
diff --git a/src/emucore/module.mk b/src/emucore/module.mk
index 0eff6a02b..d7bc4c135 100644
--- a/src/emucore/module.mk
+++ b/src/emucore/module.mk
@@ -28,8 +28,6 @@ MODULE_OBJS := \
         src/emucore/CartDPCPlus.o \
         src/emucore/CartE0.o \
         src/emucore/CartMNetwork.o \
-        src/emucore/CartE7.o \
-        src/emucore/CartE78K.o \
         src/emucore/CartEF.o \
         src/emucore/CartEFSC.o \
         src/emucore/CartBF.o \
diff --git a/src/libretro/Makefile.common b/src/libretro/Makefile.common
index fe31bc464..9fcb3c9d6 100644
--- a/src/libretro/Makefile.common
+++ b/src/libretro/Makefile.common
@@ -70,8 +70,6 @@ SOURCES_CXX := \
 	$(CORE_DIR)/emucore/CartDPC.cxx \
 	$(CORE_DIR)/emucore/CartDPCPlus.cxx \
 	$(CORE_DIR)/emucore/CartE0.cxx \
-	$(CORE_DIR)/emucore/CartE78K.cxx \
-	$(CORE_DIR)/emucore/CartE7.cxx \
 	$(CORE_DIR)/emucore/CartEF.cxx \
 	$(CORE_DIR)/emucore/CartEFSC.cxx \
 	$(CORE_DIR)/emucore/CartF0.cxx \