diff -up sage-5.10/spkg/build/sage-5.10/sage/libs/pari/decl.pxi.orig sage-5.10/spkg/build/sage-5.10/sage/libs/pari/decl.pxi
--- sage-5.10/spkg/build/sage-5.10/sage/libs/pari/decl.pxi.orig	2013-07-29 20:08:46.678086330 -0300
+++ sage-5.10/spkg/build/sage-5.10/sage/libs/pari/decl.pxi	2013-07-29 20:08:56.965086724 -0300
@@ -595,7 +595,6 @@ cdef extern from 'pari/pari.h':
     GEN     polredabs0(GEN x, long flag)
     GEN     polredabs2(GEN x)
     GEN     polredabsall(GEN x, long flun)
-    GEN     polredbest(GEN x, long flag)
     GEN     qflll0(GEN x, long flag)
     GEN     qflllgram0(GEN x, long flag)
     GEN     smallpolred(GEN x)
diff -up sage-5.10/spkg/build/sage-5.10/sage/libs/pari/gen.pyx.orig sage-5.10/spkg/build/sage-5.10/sage/libs/pari/gen.pyx
--- sage-5.10/spkg/build/sage-5.10/sage/libs/pari/gen.pyx.orig	2013-07-29 20:08:37.060085961 -0300
+++ sage-5.10/spkg/build/sage-5.10/sage/libs/pari/gen.pyx	2013-07-29 20:08:56.971086724 -0300
@@ -8029,10 +8029,6 @@ cdef class gen(sage.structure.element.Ri
         sig_on()
         return self.new_gen(polredabs0(self.g, flag))
 
-    def polredbest(self, flag=0):
-        sig_on()
-        return self.new_gen(polredbest(self.g, flag))
-
     def polresultant(self, y, var=-1, flag=0):
         t0GEN(y)
         sig_on()