diff --git a/pkgs/applications/misc/adobe-reader/builder.sh b/pkgs/applications/misc/adobe-reader/builder.sh
deleted file mode 100644
index 4291da80576d..000000000000
--- a/pkgs/applications/misc/adobe-reader/builder.sh
+++ /dev/null
@@ -1,43 +0,0 @@
-if [ -e "$NIX_ATTRS_SH_FILE" ]; then . "$NIX_ATTRS_SH_FILE"; elif [ -f .attrs.sh ]; then . .attrs.sh; fi
-source $stdenv/setup
-
-echo "unpacking $src..."
-tar xvfa $src
-
-echo "unpacking reader..."
-p=$out/libexec/adobe-reader
-mkdir -p $out/libexec
-tar xvf AdobeReader/COMMON.TAR -C $out
-tar xvf AdobeReader/ILINXR.TAR -C $out
-mv $out/Adobe/Reader9 $p
-rmdir $out/Adobe
-
-# Disable this plugin for now (it needs LDAP, and I'm too lazy to add it).
-rm $p/Reader/intellinux/plug_ins/PPKLite.api
-
-# More pointless files.
-rm $p/bin/UNINSTALL
-
-patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
-    --set-rpath $libPath \
-    $p/Reader/intellinux/bin/acroread
-
-# The "xargs -r" is to shut up a warning when Mozilla can't be found.
-substituteInPlace $p/bin/acroread \
-    --replace /bin/pwd $(type -P pwd) \
-    --replace /bin/ls $(type -P ls) \
-    --replace xargs "xargs -r"
-
-mkdir -p $out/bin
-ln -s $p/bin/acroread $out/bin/acroread
-
-mkdir -p $out/share/applications
-mv $p/Resource/Support/AdobeReader.desktop $out/share/applications/
-icon=$p/Resource/Icons/128x128/AdobeReader9.png
-[ -e $icon ]
-sed -i $out/share/applications/AdobeReader.desktop \
-    -e "s|Icon=.*|Icon=$icon|"
-
-# Not sure if this works.
-mkdir -p $out/share/mimelnk/application
-mv $p/Resource/Support/vnd*.desktop $out/share/mimelnk/application
diff --git a/pkgs/applications/misc/adobe-reader/default.nix b/pkgs/applications/misc/adobe-reader/default.nix
index 3510d9393e43..b98b427740a6 100644
--- a/pkgs/applications/misc/adobe-reader/default.nix
+++ b/pkgs/applications/misc/adobe-reader/default.nix
@@ -18,9 +18,6 @@ stdenv.mkDerivation rec {
   pname = "adobe-reader";
   version = "9.5.5";
 
-  # TODO: convert to phases
-  builder = ./builder.sh;
-
   src = fetchurl {
     url = "http://ardownload.adobe.com/pub/adobe/reader/unix/9.x/${version}/enu/AdbeRdr${version}-1_i486linux_enu.tar.bz2";
     sha256 = "0h35misxrqkl5zlmmvray1bqf4ywczkm89n9qw7d9arqbg3aj3pf";
@@ -42,6 +39,48 @@ stdenv.mkDerivation rec {
     gdk-pixbuf-xlib
   ];
 
+  installPhase = ''
+    p=$out/libexec/adobe-reader
+    mkdir -p $out/libexec
+    tar xvf COMMON.TAR -C $out
+    tar xvf ILINXR.TAR -C $out
+    mv $out/Adobe/Reader9 $p
+    rmdir $out/Adobe
+
+    # Disable this plugin for now (it needs LDAP).
+    rm $p/Reader/intellinux/plug_ins/PPKLite.api
+
+    # Remove unneeded files
+    rm $p/bin/UNINSTALL
+  '';
+
+  postFixup = ''
+    patchelf --interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" \
+        --set-rpath $libPath \
+        $p/Reader/intellinux/bin/acroread
+
+    # The "xargs -r" is to shut up a warning when Mozilla can't be found.
+    substituteInPlace $p/bin/acroread \
+        --replace-fail /bin/pwd $(type -P pwd) \
+        --replace-fail /bin/ls $(type -P ls) \
+        --replace-fail xargs "xargs -r"
+
+    mkdir -p $out/bin
+    ln -s $p/bin/acroread $out/bin/acroread
+
+    mkdir -p $out/share/applications
+    mv $p/Resource/Support/AdobeReader.desktop $out/share/applications/
+    icon=$p/Resource/Icons/128x128/AdobeReader9.png
+    [ -e $icon ]
+    sed -i $out/share/applications/AdobeReader.desktop \
+        -e "s|Icon=.*|Icon=$icon|"
+
+    mkdir -p $out/share/mimelnk/application
+    mv $p/Resource/Support/vnd*.desktop $out/share/mimelnk/application
+  '';
+
+  dontStrip = true;
+
   passthru.mozillaPlugin = "/libexec/adobe-reader/Browser/intellinux";
 
   meta = {
@@ -54,5 +93,7 @@ stdenv.mkDerivation rec {
       "See: https://www.cvedetails.com/product/497/Adobe-Acrobat-Reader.html?vendor_id=53"
     ];
     platforms = [ "i686-linux" ];
+    maintainers = with lib.maintainers; [ onny ];
+    mainProgram = "acroread";
   };
 }