$(PKG_BUILD_DIR)/target/linux/*/patches{,-*}
-cp $(KERNEL_BUILD_DIR)/* $(IB_KDIR)/ # don't copy subdirectories here
-cp $(LINUX_DIR)/.config $(IB_LDIR)/
+ rm -f $(IB_KDIR)/root.*
+ rm -f $(IB_KDIR)/vmlinux.debug
if [ -x $(LINUX_DIR)/scripts/dtc/dtc ]; then \
$(INSTALL_DIR) $(IB_LDIR)/scripts/dtc; \
$(INSTALL_BIN) $(LINUX_DIR)/scripts/dtc/dtc $(IB_LDIR)/scripts/dtc/dtc; \