diff --git a/camomile-new-arm-segfault-workaround.patch b/camomile-new-arm-segfault-workaround.patch
deleted file mode 100644
index d5f2b3d..0000000
--- a/camomile-new-arm-segfault-workaround.patch
+++ /dev/null
@@ -1,12 +0,0 @@
---- camomile-0.8.3/mappings/gen_mappings.ml.old	2012-05-19 10:48:13.369690746 +0100
-+++ camomile-0.8.3/mappings/gen_mappings.ml	2012-05-19 10:42:42.961692259 +0100
-@@ -159,7 +159,8 @@
- 	  | _ -> ())
-       |	TW ->
- 	  (match String.length enc with
--	    1 -> ()			(*ascii*)
-+	    1 -> 
-+              print_string ""; ()			(*ascii*)
- 	  | 2 ->			(*CNS 11643 Plane 1*)
- 	      let enc1 = Char.code enc.[0] in
- 	      let enc2 = Char.code enc.[1] in
diff --git a/ocaml-camomile.spec b/ocaml-camomile.spec
index 64383ab..7127420 100644
--- a/ocaml-camomile.spec
+++ b/ocaml-camomile.spec
@@ -3,7 +3,7 @@
 
 Name:           ocaml-camomile
 Version:        0.8.3
-Release:        4%{?dist}
+Release:        5%{?dist}
 Summary:        Unicode library for OCaml
 
 Group:          Development/Libraries
@@ -16,11 +16,10 @@ Source0:        http://downloads.sourceforge.net/camomile/camomile-%{version}.ta
 BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 ExcludeArch:    sparc64 s390 s390x
 
-BuildRequires:  ocaml, ocaml-findlib-devel, ocaml-ocamldoc, ocaml-camlp4-devel
-
-# This works around a segfault when the gen_mappings.ml program is
-# run after being compiled with the new ARM backend.
-Patch1:         camomile-new-arm-segfault-workaround.patch
+BuildRequires:  ocaml >= 3.12.1-9
+BuildRequires:  ocaml-findlib-devel
+BuildRequires:  ocaml-ocamldoc
+BuildRequires:  ocaml-camlp4-devel
 
 %define _use_internal_dependency_generator 0
 %define __find_requires /usr/lib/rpm/ocaml-find-requires.sh
@@ -58,8 +57,6 @@ applications that use %{name}.
 %prep
 %setup -q -n camomile-%{version}
 
-%patch1 -p1
-
 # This is a horrible hack to work around a bug in our ppc64 code
 # generator.  For some reason which we don't fully understand it barfs
 # on the long entry function created by the series of alias commands
@@ -150,6 +147,10 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Sun Jun  3 2012 Richard W.M. Jones <rjones@redhat.com> - 0.8.3-5
+- Remove patch which worked around segfault on ARM.  Now fixed
+  in OCaml >= 3.12.1-9.
+
 * Wed May 30 2012 Richard W.M. Jones <rjones@redhat.com> - 0.8.3-4
 - Remove ExcludeArch ppc64.
 - Add sed hack to reduce size of long entry function which breaks