diff --git a/pkgs/applications/networking/browsers/chromium/browser.nix b/pkgs/applications/networking/browsers/chromium/browser.nix
index daab75c74ff9..902a22840c39 100644
--- a/pkgs/applications/networking/browsers/chromium/browser.nix
+++ b/pkgs/applications/networking/browsers/chromium/browser.nix
@@ -12,7 +12,7 @@ mkChromiumDerivation (base: rec {
     cp -v "$buildPath/"*.pak "$libExecPath/"
     cp -v "$buildPath/icudtl.dat" "$libExecPath/"
     cp -vLR "$buildPath/locales" "$buildPath/resources" "$libExecPath/"
-    cp -v $buildPath/libffmpegsumo.so "$libExecPath/"
+    cp -v "$buildPath/libpdf.so" "$buildPath/libffmpegsumo.so" "$libExecPath/"
 
     cp -v "$buildPath/chrome" "$libExecPath/$packageName"
 
diff --git a/pkgs/applications/networking/browsers/chromium/default.nix b/pkgs/applications/networking/browsers/chromium/default.nix
index 82637095c437..f122e753b5c7 100644
--- a/pkgs/applications/networking/browsers/chromium/default.nix
+++ b/pkgs/applications/networking/browsers/chromium/default.nix
@@ -9,7 +9,6 @@
 , gnomeKeyringSupport ? false
 , proprietaryCodecs ? true
 , enablePepperFlash ? false
-, enablePepperPDF ? false
 , enableWideVine ? false
 , cupsSupport ? false
 , pulseSupport ? false
@@ -36,7 +35,7 @@ let
     sandbox = callPackage ./sandbox.nix { };
 
     plugins = callPackage ./plugins.nix {
-      inherit enablePepperFlash enablePepperPDF enableWideVine;
+      inherit enablePepperFlash enableWideVine;
     };
   };
 
diff --git a/pkgs/applications/networking/browsers/chromium/plugins.nix b/pkgs/applications/networking/browsers/chromium/plugins.nix
index d4a655a88d9f..8098ec747227 100644
--- a/pkgs/applications/networking/browsers/chromium/plugins.nix
+++ b/pkgs/applications/networking/browsers/chromium/plugins.nix
@@ -1,6 +1,5 @@
 { stdenv
 , enablePepperFlash ? false
-, enablePepperPDF ? false
 , enableWideVine ? false
 
 , source
@@ -16,7 +15,7 @@ let
     src = source.plugins;
 
     phases = [ "unpackPhase" "patchPhase" "installPhase" "checkPhase" ];
-    outputs = [ "pdf" "flash" "widevine" ];
+    outputs = [ "flash" "widevine" ];
 
     unpackCmd = let
       chan = if source.channel == "dev"    then "chrome-unstable"
@@ -26,7 +25,6 @@ let
       mkdir -p plugins
       ar p "$src" data.tar.lzma | tar xJ -C plugins --strip-components=4 \
         ./opt/google/${chan}/PepperFlash \
-        ./opt/google/${chan}/libpdf.so \
         ./opt/google/${chan}/libwidevinecdm.so \
         ./opt/google/${chan}/libwidevinecdmadapter.so
     '';
@@ -40,7 +38,7 @@ let
       rpaths = [ stdenv.gcc.gcc ];
       mkrpath = p: "${makeSearchPath "lib64" p}:${makeSearchPath "lib" p}";
     in ''
-      for sofile in PepperFlash/libpepflashplayer.so libpdf.so \
+      for sofile in PepperFlash/libpepflashplayer.so \
                     libwidevinecdm.so libwidevinecdmadapter.so; do
         chmod +x "$sofile"
         patchelf --set-rpath "${mkrpath rpaths}" "$sofile"
@@ -51,25 +49,12 @@ let
     '';
 
     installPhase = let
-      pdfName = "Chrome PDF Viewer";
-      pdfDescription = "Portable Document Format";
-      pdfMimeTypes = concatStringsSep ";" [
-        "application/pdf"
-        "application/x-google-chrome-print-preview-pdf"
-      ];
-      pdfInfo = "#${pdfName}#${pdfDescription};${pdfMimeTypes}";
-
       wvName = "Widevine Content Decryption Module";
       wvDescription = "Playback of encrypted HTML audio/video content";
       wvMimeTypes = "application/x-ppapi-widevine-cdm";
       wvModule = "$widevine/lib/libwidevinecdmadapter.so";
       wvInfo = "#${wvName}#${wvDescription}:${wvMimeTypes}";
     in ''
-      install -vD libpdf.so "$pdf/lib/libpdf.so"
-      mkdir -p "$pdf/nix-support"
-      echo "--register-pepper-plugins='$pdf/lib/libpdf.so${pdfInfo}'" \
-        > "$pdf/nix-support/chromium-flags"
-
       flashVersion="$(
         sed -n -r 's/.*"version": "([^"]+)",.*/\1/p' PepperFlash/manifest.json
       )"
@@ -94,7 +79,6 @@ let
 
     passthru = let
       enabledPlugins = optional enablePepperFlash plugins.flash
-                    ++ optional enablePepperPDF   plugins.pdf
                     ++ optional enableWideVine    plugins.widevine;
       getFlags = plugin: "$(< ${plugin}/nix-support/chromium-flags)";
       getEnvVars = plugin: "$(< ${plugin}/nix-support/chromium-env-vars)";
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index d330e4b942db..d1578c5683aa 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9120,7 +9120,6 @@ let
     channel = "stable";
     pulseSupport = config.pulseaudio or true;
     enablePepperFlash = config.chromium.enablePepperFlash or false;
-    enablePepperPDF = config.chromium.enablePepperPDF or false;
     hiDPISupport = config.chromium.hiDPISupport or false;
   };