diff --git a/build.py b/build.py
index 61e492c..b0a1bba 100755
--- a/build.py
+++ b/build.py
@@ -397,8 +397,8 @@ def execute_lw_artifacts():
         if options.distro != 'osx':
             if options.distro == 'win':            
                 exec("mv -v {}/firefox{} {}/librewolf{}".format(librewolfdir,exe,librewolfdir,exe));
-            exec("rm -rf {}/maintainanceservice* {}/pingsender* {}/firefox.*.xml {}/precomplete {}/removed-files {}/uninstall"
-                 .format(librewolfdir,librewolfdir,librewolfdir,librewolfdir,librewolfdir,librewolfdir,librewolfdir))
+            exec("rm -rf {}/default-browser-agent* {}/maintainanceservice* {}/pingsender* {}/firefox.*.xml {}/precomplete {}/removed-files {}/uninstall"
+                 .format(librewolfdir,librewolfdir,librewolfdir,librewolfdir,librewolfdir,librewolfdir,librewolfdir,librewolfdir))
             exec("cp -v common/source_files/browser/branding/librewolf/firefox.ico {}/librewolf.ico".format(librewolfdir))
             if options.distro != 'win':
                 exec("cp -v files/register-librewolf files/start-librewolf files/start-librewolf.desktop.in librewolf")
diff --git a/docker/Makefile b/docker/Makefile
index dd9d8f0..3eaa276 100644
--- a/docker/Makefile
+++ b/docker/Makefile
@@ -46,10 +46,10 @@ mint20 :
 	make -C buildenv/mint20
 	cp version librewolf/mint20
 	make -C librewolf/mint20
-ubuntu :
-	make -C buildenv/ubuntu
-	cp version librewolf/ubuntu
-	make -C librewolf/ubuntu
+ubuntu20 :
+	make -C buildenv/ubuntu20
+	cp version librewolf/ubuntu20
+	make -C librewolf/ubuntu20
 
 low_disk :
 	cp version librewolf
@@ -63,5 +63,5 @@ low_disk :
 	make prune
 	make mint20
 	make prunt
-	make ubuntu
+	make ubuntu20
 	make prune
diff --git a/docker/librewolf/Makefile b/docker/librewolf/Makefile
index dbb7943..27debf7 100644
--- a/docker/librewolf/Makefile
+++ b/docker/librewolf/Makefile
@@ -19,6 +19,11 @@ all :
 clean :
 	rm -f version debian10/version debian11/version fedora/version ubuntu20/version mint20/version arch/version macos/version windows/version portable-linux/version
 	make -C portable-linux clean
+	make -C debian10 clean
+	make -C debian11 clean
+	make -C fedora clean
+	make -C mint20 clean
+	make -C ubuntu20 clean
 
 build.debian10 :
 	make -C debian10
diff --git a/docker/librewolf/debian10/Makefile b/docker/librewolf/debian10/Makefile
index 8e7d9cb..19d9260 100644
--- a/docker/librewolf/debian10/Makefile
+++ b/docker/librewolf/debian10/Makefile
@@ -6,3 +6,5 @@ no-cache :
 	sudo docker build --no-cache -t librewolf/release-debian10 .
 	make -C deb no-cache
 
+clean :
+	make -C deb clean
diff --git a/docker/librewolf/debian10/deb/Makefile b/docker/librewolf/debian10/deb/Makefile
index 296ed80..22b9c54 100644
--- a/docker/librewolf/debian10/deb/Makefile
+++ b/docker/librewolf/debian10/deb/Makefile
@@ -14,6 +14,9 @@ no-cache :
 	sudo docker build --no-cache -t librewolf/$(docker_stage) .
 	make get_zip
 
+clean :
+	sudo rm -f build_tag artifacts/build_tag
+
 get_zip : build_tag
 
 build_tag : artifacts/build_tag
diff --git a/docker/librewolf/debian11/Makefile b/docker/librewolf/debian11/Makefile
index e21ebd1..56418a3 100644
--- a/docker/librewolf/debian11/Makefile
+++ b/docker/librewolf/debian11/Makefile
@@ -6,3 +6,5 @@ no-cache :
 	sudo docker build --no-cache -t librewolf/release-debian11 .
 	make -C deb no-cache
 
+clean :
+	make -C deb clean
diff --git a/docker/librewolf/debian11/deb/Makefile b/docker/librewolf/debian11/deb/Makefile
index a9a3aac..80c1c13 100644
--- a/docker/librewolf/debian11/deb/Makefile
+++ b/docker/librewolf/debian11/deb/Makefile
@@ -14,6 +14,9 @@ no-cache :
 	sudo docker build --no-cache -t librewolf/$(docker_stage) .
 	make get_zip
 
+clean :
+	sudo rm -f build_tag artifacts/build_tag
+
 get_zip : build_tag
 
 build_tag : artifacts/build_tag
diff --git a/docker/librewolf/fedora/Makefile b/docker/librewolf/fedora/Makefile
index bbe3457..59dffa0 100644
--- a/docker/librewolf/fedora/Makefile
+++ b/docker/librewolf/fedora/Makefile
@@ -6,3 +6,5 @@ no-cache :
 	sudo docker build --no-cache -t librewolf/release-fedora .
 	make -C rpm no-cache
 
+clean :
+	make -C rpm clean
diff --git a/docker/librewolf/mint20/Makefile b/docker/librewolf/mint20/Makefile
index 1658935..5f0bdae 100644
--- a/docker/librewolf/mint20/Makefile
+++ b/docker/librewolf/mint20/Makefile
@@ -6,3 +6,5 @@ no-cache :
 	sudo docker build --no-cache -t librewolf/release-mint20 .
 	make -C deb no-cache
 
+clean :
+	make -C deb clean
diff --git a/docker/librewolf/mint20/deb/Makefile b/docker/librewolf/mint20/deb/Makefile
index ef9f4a8..c37525e 100644
--- a/docker/librewolf/mint20/deb/Makefile
+++ b/docker/librewolf/mint20/deb/Makefile
@@ -14,6 +14,9 @@ no-cache :
 	sudo docker build --no-cache -t librewolf/$(docker_stage) .
 	make get_zip
 
+clean :
+	sudo rm -f build_tag artifacts/build_tag
+
 get_zip : build_tag
 
 build_tag : artifacts/build_tag
diff --git a/docker/librewolf/ubuntu20/Makefile b/docker/librewolf/ubuntu20/Makefile
index b150dcd..9931208 100644
--- a/docker/librewolf/ubuntu20/Makefile
+++ b/docker/librewolf/ubuntu20/Makefile
@@ -6,3 +6,5 @@ no-cache :
 	sudo docker build --no-cache -t librewolf/release-ubuntu20 .
 	make -C deb no-cache
 
+clean :
+	make -C deb clean
diff --git a/docker/librewolf/ubuntu20/deb/Makefile b/docker/librewolf/ubuntu20/deb/Makefile
index 75721f3..a4459b0 100644
--- a/docker/librewolf/ubuntu20/deb/Makefile
+++ b/docker/librewolf/ubuntu20/deb/Makefile
@@ -14,6 +14,9 @@ no-cache :
 	sudo docker build --no-cache -t librewolf/$(docker_stage) .
 	make get_zip
 
+clean :
+	sudo rm -f build_tag artifacts/build_tag
+
 
 get_zip : build_tag
 
diff --git a/docker/version b/docker/version
index 34de4d2..8b3541c 100644
--- a/docker/version
+++ b/docker/version
@@ -1 +1 @@
-92.0.1
+93.0