diff --git a/tools/pack.py b/tools/pack.py
index 116de339c2..11dae8b551 100644
--- a/tools/pack.py
+++ b/tools/pack.py
@@ -779,9 +779,9 @@ class Pack(object):
                     section_conf = "lkboot"
                 else:
                     section_conf = "u-boot"
-            elif section_conf == "rootfs" and self.flash_type in ["nand", "nand-4k", "nand-ac", "nand-audio", "nand-audio-4k", "norplusnand", "norplusnand-4k"]:
+            elif section_conf == "rootfs" and self.flash_type in ["nand", "nand-4k", "nand-audio", "nand-audio-4k", "norplusnand", "norplusnand-4k"]:
                 section_conf = "ubi"
-            elif section_conf == "wififw" and self.flash_type in ["nand", "nand-4k", "nand-ac", "nand-audio", "nand-audio-4k", "norplusnand", "norplusnand-4k"]:
+            elif section_conf == "wififw" and self.flash_type in ["nand", "nand-4k", "nand-audio", "nand-audio-4k", "norplusnand", "norplusnand-4k"]:
                 section_conf = "wififw_ubi"
 
 	    if soc_version:
@@ -1103,9 +1103,9 @@ class Pack(object):
             else:
                 print " Using u-boot..."
 	        section_conf = "u-boot"
-	elif section_conf == "rootfs" and self.flash_type in ["nand", "nand-4k", "nand-ac", "nand-audio", "nand-audio-4k", "norplusnand", "norplusnand-4k"]:
+	elif section_conf == "rootfs" and self.flash_type in ["nand", "nand-4k", "nand-audio", "nand-audio-4k", "norplusnand", "norplusnand-4k"]:
 	    section_conf = "ubi"
-	elif section_conf == "wififw" and self.flash_type in ["nand", "nand-4k", "nand-ac", "nand-audio", "nand-audio-4k", "norplusnand", "norplusnand-4k"]:
+	elif section_conf == "wififw" and self.flash_type in ["nand", "nand-4k", "nand-audio", "nand-audio-4k", "norplusnand", "norplusnand-4k"]:
 	    section_conf = "wififw_ubi"
 
 	if soc_version:
@@ -1384,8 +1384,6 @@ class Pack(object):
                     flash_param = root.find(".//data[@type='NAND_PARAMETER']/entry[@type='audio-2k']")
                 elif self.flash_type == "nand-audio-4k":
                     flash_param = root.find(".//data[@type='NAND_PARAMETER']/entry[@type='audio-4k']")
-                elif self.flash_type == "nand-ac":
-                    flash_param = root.find(".//data[@type='NAND_PARAMETER']/entry[@type='ac']")
                 else:
                     flash_param = root.find(".//data[@type='NAND_PARAMETER']/entry[@type='2k']")
             else:
@@ -1469,12 +1467,10 @@ class Pack(object):
         try:
             if ftype == "tiny-nor":
                 part_info = root.find(".//data[@type='" + "NOR_PARAMETER']")
-            elif ftype in ["nand", "nand-4k", "nand-ac", "nand-audio", "nand-audio-4k"]:
+            elif ftype in ["nand", "nand-4k", "nand-audio", "nand-audio-4k"]:
                 if root.find(".//data[@type='NAND_PARAMETER']/entry") != None:
                     if ftype == "nand":
                         part_info = root.find(".//data[@type='NAND_PARAMETER']/entry[@type='2k']")
-                    elif ftype == "nand-ac":
-                        part_info = root.find(".//data[@type='NAND_PARAMETER']/entry[@type='ac']")
                     elif ftype == "nand-audio":
                         part_info = root.find(".//data[@type='NAND_PARAMETER']/entry[@type='audio-2k']")
                     elif ftype == "nand-audio-4k":
@@ -1499,7 +1495,7 @@ class Pack(object):
 
             if ftype in ["tiny-nor", "norplusnand", "norplusnand-4k", "norplusemmc"]:
                 ftype = "nor"
-            if ftype in ["nand-4k", "nand-ac", "nand-audio", "nand-audio-4k"]:
+            if ftype in ["nand-4k", "nand-audio", "nand-audio-4k"]:
                 ftype = "nand"
 
         except ValueError, e:
@@ -1516,7 +1512,7 @@ class Pack(object):
     def __process_board(self, images, root):
 
         try:
-            if self.flash_type in [ "nand", "nand-4k", "nand-ac", "nand-audio", "nand-audio-4k", "nor", "tiny-nor", "norplusnand", "norplusnand-4k" ]:
+            if self.flash_type in [ "nand", "nand-4k", "nand-audio", "nand-audio-4k", "nor", "tiny-nor", "norplusnand", "norplusnand-4k" ]:
                 ret = self.__process_board_flash(self.flash_type, images, root)
             elif self.flash_type == "emmc":
                 ret = self.__process_board_flash_emmc(self.flash_type, images, root)
@@ -1765,7 +1761,7 @@ def main():
             parser.flash_type = parser.flash_type + ",nand-4k"
         # Add nand-audio flash type, if arch is ipq6018
             if ARCH_NAME == "ipq6018":
-                parser.flash_type = parser.flash_type + ",nand-ac,nand-audio,nand-audio-4k"
+                parser.flash_type = parser.flash_type + ",nand-audio,nand-audio-4k"
 
 # Add norplusnand-4k flash type, if norplusnand flash type is specified
     if "norplusnand" in parser.flash_type.split(","):