diff --git a/unison/.md5sum b/unison/.md5sum
index b6c7bbb5f..4783036bd 100644
--- a/unison/.md5sum
+++ b/unison/.md5sum
@@ -1,2 +1 @@
-7cdb48c81f06304a0fd6f6c6479d90ce  ocaml-4.03.patch
-91ff2ef4141aede9af719fdd5e848bcb  unison-2.48.3.tar.gz
+5334b78c7e68169df7de95f4c6c4b60f  unison-2.48.4.tar.gz
diff --git a/unison/Pkgfile b/unison/Pkgfile
index 7e7f100d3..d5a29b769 100644
--- a/unison/Pkgfile
+++ b/unison/Pkgfile
@@ -5,14 +5,12 @@
 # Depends on:  ocaml
 
 name=unison
-version=2.48.3
-release=2
-source=(http://www.cis.upenn.edu/~bcpierce/unison/download/releases/$name-$version/$name-$version.tar.gz
-        ocaml-4.03.patch)
+version=2.48.4
+release=1
+source=(http://www.cis.upenn.edu/~bcpierce/unison/download/releases/$name-$version/$name-$version.tar.gz)
 
 build() {
-    cd $name-$version
-    patch -p2 -i $SRC/ocaml-4.03.patch
+    cd src
     unset CFLAGS CXXFLAGS
     make -j1 UISTYLE=text THREADS=true NATIVE=true unison unison-fsmonitor
     install -d $PKG/usr/bin
diff --git a/unison/ocaml-4.03.patch b/unison/ocaml-4.03.patch
deleted file mode 100644
index a15ca0e64..000000000
--- a/unison/ocaml-4.03.patch
+++ /dev/null
@@ -1,20 +0,0 @@
-commit 4473822b5aa6de3e849ca6c958b365a71edbca4f
-Author: Benjamin Pierce <bcpierce00@gmail.com>
-Date:   Sat May 14 11:28:49 2016 -0400
-
-    Fix build for OCaml 4.03.0
-
-diff --git a/src/system/system_generic.ml b/src/system/system_generic.ml
-index 22b5b6c..b9a4cef 100755
---- a/src/system/system_generic.ml
-+++ b/src/system/system_generic.ml
-@@ -57,7 +57,8 @@ let opendir f =
- let readdir = Unix.readdir
- let closedir = Unix.closedir
- let readlink = Unix.readlink
--let symlink = Unix.symlink
-+(* BCP 5/16: Eta-expand for backward compatibility with OCaml <=4.02 *)
-+let symlink s1 s2 = Unix.symlink s1 s2
- let chdir = Sys.chdir
- let getcwd = Sys.getcwd
-