diff --git a/doc/apibuild.py b/doc/apibuild.py
index e8915ec75e46c38cedc3595ef7c80e931d842aa6_ZG9jL2FwaWJ1aWxkLnB5..39edcfda76243e1af2437e2232d79c2c26fcf07d_ZG9jL2FwaWJ1aWxkLnB5 100755
--- a/doc/apibuild.py
+++ b/doc/apibuild.py
@@ -83,12 +83,6 @@
     raw = raw.replace('"', '"')
     return raw
 
-def uniq(items):
-    d = {}
-    for item in items:
-        d[item]=1
-    return list(d.keys())
-
 class identifier:
     def __init__(self, name, header=None, module=None, type=None, lineno = 0,
                  info=None, extra=None, conditionals = None):
@@ -1807,7 +1801,7 @@
 
         ids = list(dict.macros.keys())
         ids.sort()
-        for id in uniq(ids):
+        for id in ids:
             # Macros are sometime used to masquerade other types.
             if id in dict.functions:
                 continue
@@ -1822,7 +1816,7 @@
             output.write("     <exports symbol='%s' type='macro'/>\n" % (id))
         ids = list(dict.enums.keys())
         ids.sort()
-        for id in uniq(ids):
+        for id in ids:
             output.write("     <exports symbol='%s' type='enum'/>\n" % (id))
         ids = list(dict.typedefs.keys())
         ids.sort()
@@ -1826,7 +1820,7 @@
             output.write("     <exports symbol='%s' type='enum'/>\n" % (id))
         ids = list(dict.typedefs.keys())
         ids.sort()
-        for id in uniq(ids):
+        for id in ids:
             output.write("     <exports symbol='%s' type='typedef'/>\n" % (id))
         ids = list(dict.structs.keys())
         ids.sort()
@@ -1830,7 +1824,7 @@
             output.write("     <exports symbol='%s' type='typedef'/>\n" % (id))
         ids = list(dict.structs.keys())
         ids.sort()
-        for id in uniq(ids):
+        for id in ids:
             output.write("     <exports symbol='%s' type='struct'/>\n" % (id))
         ids = list(dict.variables.keys())
         ids.sort()
@@ -1834,7 +1828,7 @@
             output.write("     <exports symbol='%s' type='struct'/>\n" % (id))
         ids = list(dict.variables.keys())
         ids.sort()
-        for id in uniq(ids):
+        for id in ids:
             output.write("     <exports symbol='%s' type='variable'/>\n" % (id))
         ids = list(dict.functions.keys())
         ids.sort()
@@ -1838,7 +1832,7 @@
             output.write("     <exports symbol='%s' type='variable'/>\n" % (id))
         ids = list(dict.functions.keys())
         ids.sort()
-        for id in uniq(ids):
+        for id in ids:
             output.write("     <exports symbol='%s' type='function'/>\n" % (id))
         output.write("    </file>\n")