diff --git a/tests/test-casecollision-i18n.t b/tests/test-casecollision-i18n.t
deleted file mode 100644
--- a/tests/test-casecollision-i18n.t
+++ /dev/null
@@ -1,43 +0,0 @@
-run only on case-insensitive filesystems, because collision check at
-"hg update" is done only on case-insensitive filesystems
-
-  $ "$TESTDIR/hghave" icasefs || exit 80
-
-setup repository, and target files
-
-  $ HGENCODING=cp932
-  $ export HGENCODING
-  $ hg init t
-  $ cd t
-  $ python << EOF
-  > names = ["\x83\x41", # cp932(0x83, 0x41='A'), UNICODE(0x30a2)
-  >          "\x83\x5A", # cp932(0x83, 0x5A='Z'), UNICODE(0x30bb)
-  >          "\x83\x61", # cp932(0x83, 0x61='a'), UNICODE(0x30c2)
-  >          "\x83\x7A", # cp932(0x83, 0x7A='z'), UNICODE(0x30db)
-  >         ]
-  > for num, name in zip(range(len(names)), names):
-  >     # file for getting target filename of "hg add"
-  >     f = file(str(num), 'w'); f.write(name); f.close()
-  >     # target file of "hg add"
-  >     f = file(name, 'w'); f.write(name); f.close()
-  > EOF
-
-test filename collison check at "hg add"
-
-  $ hg add --config ui.portablefilenames=abort `cat 0`
-  $ hg add --config ui.portablefilenames=abort `cat 1`
-  $ hg add --config ui.portablefilenames=abort `cat 2`
-  $ hg add --config ui.portablefilenames=abort `cat 3`
-  $ hg status -a
-  A \x83A (esc)
-  A \x83Z (esc)
-  A \x83a (esc)
-  A \x83z (esc)
-
-test filename collision check at "hg update"
-
-  $ hg commit -m 'revision 0'
-  $ hg update null
-  0 files updated, 0 files merged, 4 files removed, 0 files unresolved
-  $ hg update tip
-  4 files updated, 0 files merged, 0 files removed, 0 files unresolved