diff --git a/misc/acrn-config/launch_config/com.py b/misc/acrn-config/launch_config/com.py
index ceb7d4c49..f4224272d 100644
--- a/misc/acrn-config/launch_config/com.py
+++ b/misc/acrn-config/launch_config/com.py
@@ -362,7 +362,6 @@ def launch_end(names, args, vmid, config):
 
 def set_dm_pt(names, sel, vmid, config):
 
-    #cap_pt = launch_cfg_lib.get_board_pt_dev(names, vmid)
     uos_type = names['uos_types'][vmid]
 
     if sel.bdf['usb_xdci'][vmid] and sel.slot['usb_xdci'][vmid]:
diff --git a/misc/acrn-config/launch_config/pt.py b/misc/acrn-config/launch_config/pt.py
index 27e415388..b9193b3aa 100644
--- a/misc/acrn-config/launch_config/pt.py
+++ b/misc/acrn-config/launch_config/pt.py
@@ -196,7 +196,7 @@ def media_pt(uos_type, sel, cap_pt, vmid, config):
 def gen_pt(names, sel, vmid, config):
 
     pt_none = True
-    cap_pt = launch_cfg_lib.get_board_pt_dev(names, vmid)
+    cap_pt = launch_cfg_lib.get_pt_dev()
     uos_type = names['uos_types'][vmid]
     for pt_dev in cap_pt:
         if sel.bdf[pt_dev][vmid]:
@@ -214,8 +214,7 @@ def gen_pt(names, sel, vmid, config):
 
 def gen_pt_head(names, sel, vmid, config):
 
-    # get passthrough device for specify board and uos
-    cap_pt = launch_cfg_lib.get_board_pt_dev(names, vmid)
+    cap_pt = launch_cfg_lib.get_pt_dev()
     uos_type = names['uos_types'][vmid]
     pt_none = True
 
diff --git a/misc/acrn-config/library/launch_cfg_lib.py b/misc/acrn-config/library/launch_cfg_lib.py
index e61db2255..61bb1d56f 100644
--- a/misc/acrn-config/library/launch_cfg_lib.py
+++ b/misc/acrn-config/library/launch_cfg_lib.py
@@ -38,15 +38,9 @@ PT_SUB_PCI['ethernet'] = ['Ethernet controller']
 PT_SUB_PCI['sata'] = ['SATA controller']
 PT_SUB_PCI['nvme'] = ['Non-Volatile memory controller']
 
-# passthrough device of board and uos sepcify
-NUC_RT_PASSTHRU = ['ethernet', 'nvme', 'sata']
-NUC_WIN_PASSTHRU = ['audio', 'audio_codec']
-NUC_CLR_PASSTHRU = ['usb_xdci', 'ipu', 'ipu_i2c', 'cse', 'audio', 'audio_codec', 'sd_card', 'ethernet', 'bluetooth']
-UP2_CLR_PASSTHRU = ['usb_xdci', 'ipu', 'ipu_i2c', 'cse']
-UP2_ADR_PASSTHRU = ['usb_xdci', 'audio', 'audio_codec']
-MRB_CLR_PASSTHRU = ['usb_xdci', 'ipu', 'ipu_i2c', 'cse', 'sd_card']
-MRB_ADR_PASSTHRU = ['usb_xdci', 'audio', 'audio_codec', 'sd_card', 'wifi', 'bluetooth']
-GENERIC_PASSTHRU = ['usb_xdci', 'ipu', 'ipu_i2c', 'cse', 'audio', 'sata', 'nvme', 'audio_codec', 'sd_card', 'ethernet', 'wifi', 'bluetooth']
+# passthrough devices for board
+PASSTHRU_DEVS = ['usb_xdci', 'ipu', 'ipu_i2c', 'cse', 'audio', 'sata',
+                    'nvme', 'audio_codec', 'sd_card', 'ethernet', 'wifi', 'bluetooth']
 
 PT_SLOT = {
         "hostbridge":0,
@@ -499,34 +493,8 @@ def get_slot(bdf_list, dev):
     return slot_list
 
 
-def get_board_pt_dev(names, vmid):
-
-    board_name = names['board_name']
-    uos_type = names['uos_types'][vmid]
-    cap_pt = []
-
-    if 'mrb' in board_name:
-        if uos_type == "CLEARLINUX":
-            cap_pt = MRB_CLR_PASSTHRU
-        if uos_type == "ANDROID":
-            cap_pt = MRB_ADR_PASSTHRU
-    elif 'up2' in board_name:
-        if uos_type == "CLEARLINUX":
-            cap_pt = UP2_CLR_PASSTHRU
-        if uos_type == "ANDROID":
-            cap_pt = UP2_ADR_PASSTHRU
-    elif 'nuc' in board_name:
-        if uos_type == "CLEARLINUX":
-            cap_pt = NUC_CLR_PASSTHRU
-        elif uos_type == "PREEMPT-RT LINUX":
-            cap_pt = NUC_RT_PASSTHRU
-        elif uos_type == "WINDOWS":
-            cap_pt = NUC_WIN_PASSTHRU
-        else:
-            # zephyr/vxworks have no passthroug device
-            cap_pt = []
-    else:
-        # new board passthrough the generic device
-        cap_pt = GENERIC_PASSTHRU
+def get_pt_dev():
+    """ Get passthrough device list """
+    cap_pt = PASSTHRU_DEVS
 
     return cap_pt