diff --git a/rules.d/60-serial.rules b/rules.d/60-serial.rules
index f303e27fd5..a0e66323a9 100644
--- a/rules.d/60-serial.rules
+++ b/rules.d/60-serial.rules
@@ -3,9 +3,10 @@
 ACTION=="remove", GOTO="serial_end"
 SUBSYSTEM!="tty", GOTO="serial_end"
 
-SUBSYSTEMS=="pci", ENV{ID_BUS}="pci", ENV{ID_VENDOR_ID}="$attr{vendor}", ENV{ID_MODEL_ID}="$attr{device}"
-SUBSYSTEMS=="pci", IMPORT{builtin}="hwdb --subsystem=pci"
 SUBSYSTEMS=="usb", IMPORT{builtin}="usb_id", IMPORT{builtin}="hwdb --subsystem=usb"
+SUBSYSTEMS=="pci", ENV{ID_BUS}=="", ENV{ID_BUS}="pci", \
+  ENV{ID_VENDOR_ID}="$attr{vendor}", ENV{ID_MODEL_ID}="$attr{device}", \
+  IMPORT{builtin}="hwdb --subsystem=pci"
 
 # /dev/serial/by-path/, /dev/serial/by-id/ for USB devices
 KERNEL!="ttyUSB[0-9]*|ttyACM[0-9]*", GOTO="serial_end"
@@ -16,9 +17,8 @@ IMPORT{builtin}="path_id"
 ENV{ID_PATH}=="?*", ENV{.ID_PORT}=="", SYMLINK+="serial/by-path/$env{ID_PATH}"
 ENV{ID_PATH}=="?*", ENV{.ID_PORT}=="?*", SYMLINK+="serial/by-path/$env{ID_PATH}-port$env{.ID_PORT}"
 
-IMPORT{builtin}="usb_id"
+ENV{ID_BUS}=="", GOTO="serial_end"
 ENV{ID_SERIAL}=="", GOTO="serial_end"
-SUBSYSTEMS=="usb", ENV{ID_USB_INTERFACE_NUM}="$attr{bInterfaceNumber}"
 ENV{ID_USB_INTERFACE_NUM}=="", GOTO="serial_end"
 ENV{.ID_PORT}=="", SYMLINK+="serial/by-id/$env{ID_BUS}-$env{ID_SERIAL}-if$env{ID_USB_INTERFACE_NUM}"
 ENV{.ID_PORT}=="?*", SYMLINK+="serial/by-id/$env{ID_BUS}-$env{ID_SERIAL}-if$env{ID_USB_INTERFACE_NUM}-port$env{.ID_PORT}"