diff --git a/libc/tools/test_genseccomp.py b/libc/tools/test_genseccomp.py
index 71a78d1..0c2699a 100755
--- a/libc/tools/test_genseccomp.py
+++ b/libc/tools/test_genseccomp.py
@@ -25,8 +25,8 @@
 
   def test_get_names(self):
     bionic = cStringIO.StringIO(textwrap.dedent("""\
-int __llseek:_llseek(int, unsigned long, unsigned long, off64_t*, int) arm,mips,x86
-int         fchown:fchown(int, uid_t, gid_t)    arm64,mips,mips64,x86_64
+int __llseek:_llseek(int, unsigned long, unsigned long, off64_t*, int) arm,x86
+int         fchown:fchown(int, uid_t, gid_t)    arm64,x86_64
     """))
 
     whitelist = cStringIO.StringIO(textwrap.dedent("""\
@@ -54,7 +54,7 @@
 
     # Blacklist item must be in bionic
     blacklist = cStringIO.StringIO(textwrap.dedent("""\
-int         fchown2:fchown2(int, uid_t, gid_t)    arm64,mips,mips64,x86_64
+int         fchown2:fchown2(int, uid_t, gid_t)    arm64,x86_64
     """))
     with self.assertRaises(RuntimeError):
       genseccomp.get_names([bionic, whitelist, blacklist], "arm")
@@ -64,7 +64,7 @@
 
     # Test blacklist item is removed
     blacklist = cStringIO.StringIO(textwrap.dedent("""\
-int         fchown:fchown(int, uid_t, gid_t)    arm64,mips,mips64,x86_64
+int         fchown:fchown(int, uid_t, gid_t)    arm64,x86_64
     """))
     names = genseccomp.get_names([bionic, whitelist, blacklist], "arm64")
     bionic.seek(0)
@@ -75,7 +75,7 @@
 
     # Blacklist item must not be in whitelist
     whitelist = cStringIO.StringIO(textwrap.dedent("""\
-int         fchown:fchown(int, uid_t, gid_t)    arm64,mips,mips64,x86_64
+int         fchown:fchown(int, uid_t, gid_t)    arm64,x86_64
     """))
     with self.assertRaises(RuntimeError):
       genseccomp.get_names([empty, whitelist, blacklist], "arm")
@@ -85,7 +85,7 @@
 
     # No dups in bionic and whitelist
     whitelist = cStringIO.StringIO(textwrap.dedent("""\
-int __llseek:_llseek(int, unsigned long, unsigned long, off64_t*, int) arm,mips,x86
+int __llseek:_llseek(int, unsigned long, unsigned long, off64_t*, int) arm,x86
     """))
     with self.assertRaises(RuntimeError):
       genseccomp.get_names([bionic, whitelist, empty], "arm")
@@ -119,16 +119,6 @@
                                                       self.get_switches("x86_64")),
                       [("openat", 257)])
 
-    self.assertEquals(genseccomp.convert_names_to_NRs(["openat"],
-                                                      self.get_headers("mips"),
-                                                      self.get_switches("mips")),
-                      [("openat", 4288)])
-
-    self.assertEquals(genseccomp.convert_names_to_NRs(["openat"],
-                                                      self.get_headers("mips64"),
-                                                      self.get_switches("mips64")),
-                      [("openat", 5247)])
-
 
   def test_convert_NRs_to_ranges(self):
     ranges = genseccomp.convert_NRs_to_ranges([("b", 2), ("a", 1)])
@@ -192,8 +182,8 @@
 
   def test_construct_bpf(self):
     syscalls = cStringIO.StringIO(textwrap.dedent("""\
-    int __llseek:_llseek(int, unsigned long, unsigned long, off64_t*, int) arm,mips,x86
-    int         fchown:fchown(int, uid_t, gid_t)    arm64,mips,mips64,x86_64
+    int __llseek:_llseek(int, unsigned long, unsigned long, off64_t*, int) arm,x86
+    int         fchown:fchown(int, uid_t, gid_t)    arm64,x86_64
     """))
 
     whitelist = cStringIO.StringIO(textwrap.dedent("""\