diff --git a/pkgs/applications/networking/browsers/floorp/default.nix b/pkgs/applications/networking/browsers/floorp/default.nix
index 8701f8d7795b..6bb01b63e5cd 100644
--- a/pkgs/applications/networking/browsers/floorp/default.nix
+++ b/pkgs/applications/networking/browsers/floorp/default.nix
@@ -11,6 +11,8 @@
   applicationName = "Floorp";
   binaryName = "floorp";
   branding = "browser/branding/official";
+  requireSigning = false;
+  allowAddonSideload = true;
 
   # Must match the contents of `browser/config/version.txt` in the source tree
   version = "115.8.0";
@@ -26,9 +28,7 @@
   extraConfigureFlags = [
     "--with-app-name=${pname}"
     "--with-app-basename=${applicationName}"
-    "--with-distribution-id=one.ablaze.floorp"
     "--with-unsigned-addon-scopes=app,system"
-    "--allow-addon-sideload"
   ];
 
   meta = {
@@ -54,6 +54,5 @@
   mlsAPISupport = true;
 }).overrideAttrs (prev: {
   MOZ_DATA_REPORTING = "";
-  MOZ_REQUIRE_SIGNING = "";
   MOZ_TELEMETRY_REPORTING = "";
 })
diff --git a/pkgs/applications/networking/browsers/librewolf/default.nix b/pkgs/applications/networking/browsers/librewolf/default.nix
index 0e6ba888015e..6a1d59858d80 100644
--- a/pkgs/applications/networking/browsers/librewolf/default.nix
+++ b/pkgs/applications/networking/browsers/librewolf/default.nix
@@ -11,6 +11,7 @@ in
   src = librewolf-src.firefox;
   requireSigning = false;
   allowAddonSideload = true;
+  branding = "browser/branding/librewolf";
   inherit (librewolf-src) extraConfigureFlags extraPatches extraPostPatch extraPassthru;
 
   meta = {
diff --git a/pkgs/applications/networking/browsers/librewolf/librewolf.nix b/pkgs/applications/networking/browsers/librewolf/librewolf.nix
index f6689f6ae87d..bb35d92a3d62 100644
--- a/pkgs/applications/networking/browsers/librewolf/librewolf.nix
+++ b/pkgs/applications/networking/browsers/librewolf/librewolf.nix
@@ -11,10 +11,7 @@ rec {
   extraConfigureFlags = [
     "--with-app-name=librewolf"
     "--with-app-basename=LibreWolf"
-    "--with-branding=browser/branding/librewolf"
-    "--with-distribution-id=io.gitlab.librewolf-community"
     "--with-unsigned-addon-scopes=app,system"
-    "--allow-addon-sideload"
   ];
 
   extraPostPatch = ''
diff --git a/pkgs/applications/networking/mailreaders/betterbird/default.nix b/pkgs/applications/networking/mailreaders/betterbird/default.nix
index 3e9ebbceed75..6ca7c348969f 100644
--- a/pkgs/applications/networking/mailreaders/betterbird/default.nix
+++ b/pkgs/applications/networking/mailreaders/betterbird/default.nix
@@ -44,6 +44,7 @@ in ((buildMozillaMach {
 
   applicationName = "Betterbird";
   binaryName = "betterbird";
+  branding = "comm/mail/branding/betterbird";
   inherit (thunderbird-unwrapped) application extraPatches;
 
   src = fetchurl {
@@ -92,11 +93,6 @@ in ((buildMozillaMach {
     libdbusmenu-gtk3
   ];
 
-  extraConfigureFlags = [
-    "--enable-application=comm/mail"
-    "--with-branding=comm/mail/branding/betterbird"
-  ];
-
   meta = with lib; {
     description = "Betterbird is a fine-tuned version of Mozilla Thunderbird, Thunderbird on steroids, if you will";
     homepage = "https://www.betterbird.eu/";