diff --git a/repos/dde_linux/lib/import/import-usb_host_include.mk b/repos/dde_linux/lib/import/import-usb_host_include.mk
deleted file mode 100644
index a1686ef752..0000000000
--- a/repos/dde_linux/lib/import/import-usb_host_include.mk
+++ /dev/null
@@ -1,13 +0,0 @@
-USB_CONTRIB_DIR := $(call select_from_ports,dde_linux)/src/drivers/usb_host
-
-include $(call select_from_repositories,lib/import/import-usb_arch_include.mk)
-
-#
-# The order of include-search directories is important, we need to look into
-# 'contrib' before falling back to our custom 'lx_emul.h' header.
-#
-INC_DIR += $(ARCH_SRC_INC_DIR)
-INC_DIR += $(USB_CONTRIB_DIR)/include
-INC_DIR += $(USB_CONTRIB_DIR)/include/uapi
-INC_DIR += $(USB_CONTRIB_DIR)/drivers/usb/core
-INC_DIR += $(LIB_CACHE_DIR)/usb_host_include/include/include/include
diff --git a/repos/dde_linux/lib/mk/usb_host_include.mk b/repos/dde_linux/lib/mk/usb_host_include.mk
deleted file mode 100644
index 5529a1db85..0000000000
--- a/repos/dde_linux/lib/mk/usb_host_include.mk
+++ /dev/null
@@ -1,37 +0,0 @@
-ifeq ($(called_from_lib_mk),yes)
-
-USB_CONTRIB_DIR := $(call select_from_ports,dde_linux)/src/drivers/usb_host
-LX_EMUL_H       := $(REP_DIR)/src/drivers/usb_host/lx_emul.h
-
-#
-# Determine the header files included by the contrib code. For each
-# of these header files we create a symlink to 'lx_emul.h'.
-#
-SCAN_DIRS := $(addprefix $(USB_CONTRIB_DIR)/include/, asm-generic linux uapi) \
-             $(addprefix $(USB_CONTRIB_DIR)/, drivers lib)
-GEN_INCLUDES := $(shell grep -rIh "^\# *include .*\/" $(SCAN_DIRS) |\
-                        sed "s/^\# *include [^<\"]*[<\"]\([^>\"]*\)[>\"].*/\1/" |\
-                        sort | uniq)
-#
-# Filter out original Linux headers that exist in the contrib directory
-#
-NO_GEN_INCLUDES := $(shell cd $(USB_CONTRIB_DIR)/; find include  -name "*.h" |\
-                           sed "s/.\///" | sed "s/.*include\///")
-GEN_INCLUDES    := $(filter-out $(NO_GEN_INCLUDES),$(GEN_INCLUDES))
-
-#
-# Put Linux headers in 'GEN_INC' dir, since some include use "../../" paths use
-# three level include hierarchy
-#
-GEN_INC         := $(shell pwd)/include/include/include
-GEN_INCLUDES    := $(addprefix $(GEN_INC)/,$(GEN_INCLUDES))
-
-all: $(GEN_INCLUDES)
-
-$(GEN_INCLUDES):
-	$(VERBOSE)mkdir -p $(dir $@)
-	$(VERBOSE)ln -s $(LX_EMUL_H) $@
-
-endif
-
-CC_CXX_WARN_STRICT =