diff --git a/Dockerfile b/Dockerfile
index 46d0163..3ef5388 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,13 +51,6 @@ RUN \
     find /usr/share/icons/Adwaita -type d -mindepth 1 -maxdepth 1 -not -name 16x16 -not -name scalable -exec rm -rf {} ';' && \
     true
 
-# Set default settings.
-RUN \
-    CFG_FILE="/usr/lib/firefox/browser/defaults/preferences/firefox-branding.js" && \
-    echo '// Default download directory.' >> "$CFG_FILE" && \
-    echo 'pref("browser.download.dir", "/config/downloads");' >> "$CFG_FILE" && \
-    echo 'pref("browser.download.folderList", 2);' >> "$CFG_FILE"
-
 # Install profile-cleaner.
 #RUN \
 #    add-pkg --virtual build-dependencies curl && \
diff --git a/rootfs/defaults/prefs.js b/rootfs/defaults/prefs.js
deleted file mode 100644
index 5e1d3e9..0000000
--- a/rootfs/defaults/prefs.js
+++ /dev/null
@@ -1,7 +0,0 @@
-// Disable the privacy notice page.
-user_pref("toolkit.telemetry.reportingpolicy.firstRun", false);
-// Prevent closing Firefox when closing the last tab.
-user_pref("browser.tabs.closeWindowWithLastTab", false);
-// Disable confirmation before quitting with Ctrl+Q.  Needed to allow Firefox
-// to quit cleanly when container is shutted down.
-user_pref("browser.warnOnQuitShortcut", false);
diff --git a/rootfs/etc/cont-init.d/55-firefox.sh b/rootfs/etc/cont-init.d/55-firefox.sh
index ddaf322..1beb953 100755
--- a/rootfs/etc/cont-init.d/55-firefox.sh
+++ b/rootfs/etc/cont-init.d/55-firefox.sh
@@ -14,9 +14,6 @@ if [ ! -f /config/machine-id ]; then
     cat /proc/sys/kernel/random/uuid | tr -d '-' > /config/machine-id
 fi
 
-# Copy default preferences.
-[ -f /config/profile/prefs.js ] || cp /defaults/prefs.js /config/profile/prefs.js
-
 # Clean/optimize Firefox databases.
 #if [ -d /config/.mozilla/firefox ] && [ -d /config/profile ]; then
 #    [ -f /config/.mozilla/firefox/profiles.ini ] || cp /defaults/profiles.ini /config/.mozilla/firefox/
diff --git a/rootfs/usr/lib/firefox/browser/defaults/preferences/firefox-branding.js b/rootfs/usr/lib/firefox/browser/defaults/preferences/firefox-branding.js
new file mode 100644
index 0000000..9e9e1da
--- /dev/null
+++ b/rootfs/usr/lib/firefox/browser/defaults/preferences/firefox-branding.js
@@ -0,0 +1,10 @@
+// Default download directory.
+pref("browser.download.dir", "/config/downloads");
+pref("browser.download.folderList", 2);
+// Disable the privacy notice page.
+pref("toolkit.telemetry.reportingpolicy.firstRun", false);
+// Prevent closing Firefox when closing the last tab.
+pref("browser.tabs.closeWindowWithLastTab", false);
+// Disable confirmation before quitting with Ctrl+Q.  Needed to allow Firefox
+// to quit cleanly when container is shutted down.
+pref("browser.warnOnQuitShortcut", false);