diff --git a/pkgs/applications/networking/browsers/chromium/browser.nix b/pkgs/applications/networking/browsers/chromium/browser.nix
index 29e0da60ea07..a0bdc70f9f56 100644
--- a/pkgs/applications/networking/browsers/chromium/browser.nix
+++ b/pkgs/applications/networking/browsers/chromium/browser.nix
@@ -15,9 +15,6 @@ mkChromiumDerivation (base: rec {
     ${optionalString (versionOlder base.version "45.0.0.0") ''
       cp -v "$buildPath/libffmpegsumo.so" "$libExecPath/"
     ''}
-    ${optionalString (versionOlder base.version "42.0.0.0") ''
-      cp -v "$buildPath/libpdf.so" "$libExecPath/"
-    ''}
     cp -v "$buildPath/chrome" "$libExecPath/$packageName"
 
     mkdir -vp "$out/share/man/man1"
diff --git a/pkgs/applications/networking/browsers/chromium/common.nix b/pkgs/applications/networking/browsers/chromium/common.nix
index f54f21ef8c07..714058d81e0b 100644
--- a/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/pkgs/applications/networking/browsers/chromium/common.nix
@@ -131,11 +131,7 @@ let
       chmod -R u+w third_party
     '';
 
-    postPatch = optionalString (versionOlder version "42.0.0.0") ''
-      sed -i -e '/base::FilePath exe_dir/,/^ *} *$/c \
-        sandbox_binary = base::FilePath(getenv("CHROMIUM_SANDBOX_BINARY_PATH"));
-      ' sandbox/linux/suid/client/setuid_sandbox_client.cc
-    '' + ''
+    postPatch = ''
       sed -i -e '/module_path *=.*libexif.so/ {
         s|= [^;]*|= base::FilePath().AppendASCII("${libexif}/lib/libexif.so")|
       }' chrome/utility/media_galleries/image_metadata_extractor.cc
@@ -163,8 +159,6 @@ let
       use_openssl = useOpenSSL;
       selinux = enableSELinux;
       use_cups = cupsSupport;
-    } // optionalAttrs (versionOlder version "42.0.0.0") {
-      linux_sandbox_chrome_path="${libExecPath}/${packageName}";
     } // {
       werror = "";
       clang = false;
diff --git a/pkgs/applications/networking/browsers/chromium/default.nix b/pkgs/applications/networking/browsers/chromium/default.nix
index a69b44c637a5..7a355cbf59ac 100644
--- a/pkgs/applications/networking/browsers/chromium/default.nix
+++ b/pkgs/applications/networking/browsers/chromium/default.nix
@@ -74,15 +74,12 @@ in stdenv.mkDerivation {
     sandboxBinary = "${chromium.sandbox}/bin/chromium-sandbox";
     mkEnvVar = key: val: "--set '${key}' '${val}'";
     envVars = chromium.plugins.settings.envVars or {};
-    isVer42 = !stdenv.lib.versionOlder chromium.browser.version "42.0.0.0";
     flags = chromium.plugins.settings.flags or [];
-    setBinPath = "--set CHROMIUM_SANDBOX_BINARY_PATH \"${sandboxBinary}\"";
   in with stdenv.lib; ''
     mkdir -p "$out/bin" "$out/share/applications"
 
     ln -s "${chromium.browser}/share" "$out/share"
     makeWrapper "${browserBinary}" "$out/bin/chromium" \
-      ${optionalString (!isVer42) setBinPath} \
       ${concatStrings (mapAttrsToList mkEnvVar envVars)} \
       --add-flags "${concatStringsSep " " flags}"
 
diff --git a/pkgs/applications/networking/browsers/chromium/plugins.nix b/pkgs/applications/networking/browsers/chromium/plugins.nix
index b4766cee4347..5bb6a93d8d74 100644
--- a/pkgs/applications/networking/browsers/chromium/plugins.nix
+++ b/pkgs/applications/networking/browsers/chromium/plugins.nix
@@ -21,10 +21,9 @@ let
       chan = if source.channel == "dev"    then "chrome-unstable"
         else if source.channel == "stable" then "chrome"
         else "chrome-${source.channel}";
-      cext = if versionOlder source.version "41.0.0.0" then "lzma" else "xz";
     in ''
       mkdir -p plugins
-      ar p "$src" data.tar.${cext} | tar xJ -C plugins --strip-components=4 \
+      ar p "$src" data.tar.xz | tar xJ -C plugins --strip-components=4 \
         ./opt/google/${chan}/PepperFlash \
         ./opt/google/${chan}/libwidevinecdm.so \
         ./opt/google/${chan}/libwidevinecdmadapter.so