diff --git a/runtimes/8.0/Dockerfile b/runtimes/8.0/Dockerfile
index de32ad2d..23fb2ace 100644
--- a/runtimes/8.0/Dockerfile
+++ b/runtimes/8.0/Dockerfile
@@ -56,6 +56,7 @@ RUN update-alternatives --set php /usr/bin/php8.0
 
 RUN setcap "cap_net_bind_service=+ep" /usr/bin/php8.0
 
+RUN userdel -r ubuntu
 RUN groupadd --force -g $WWWGROUP sail
 RUN useradd -ms /bin/bash --no-user-group -g $WWWGROUP -u 1337 sail
 
diff --git a/runtimes/8.1/Dockerfile b/runtimes/8.1/Dockerfile
index 2de34feb..2261ab86 100644
--- a/runtimes/8.1/Dockerfile
+++ b/runtimes/8.1/Dockerfile
@@ -55,6 +55,7 @@ RUN apt-get update && apt-get upgrade -y \
 
 RUN setcap "cap_net_bind_service=+ep" /usr/bin/php8.1
 
+RUN userdel -r ubuntu
 RUN groupadd --force -g $WWWGROUP sail
 RUN useradd -ms /bin/bash --no-user-group -g $WWWGROUP -u 1337 sail
 
diff --git a/runtimes/8.2/Dockerfile b/runtimes/8.2/Dockerfile
index 2dc51e91..88d497ab 100644
--- a/runtimes/8.2/Dockerfile
+++ b/runtimes/8.2/Dockerfile
@@ -56,6 +56,7 @@ RUN apt-get update && apt-get upgrade -y \
 
 RUN setcap "cap_net_bind_service=+ep" /usr/bin/php8.2
 
+RUN userdel -r ubuntu
 RUN groupadd --force -g $WWWGROUP sail
 RUN useradd -ms /bin/bash --no-user-group -g $WWWGROUP -u 1337 sail
 
diff --git a/runtimes/8.3/Dockerfile b/runtimes/8.3/Dockerfile
index e2359bcd..af5cb8e7 100644
--- a/runtimes/8.3/Dockerfile
+++ b/runtimes/8.3/Dockerfile
@@ -57,6 +57,7 @@ RUN apt-get update && apt-get upgrade -y \
 
 RUN setcap "cap_net_bind_service=+ep" /usr/bin/php8.3
 
+RUN userdel -r ubuntu
 RUN groupadd --force -g $WWWGROUP sail
 RUN useradd -ms /bin/bash --no-user-group -g $WWWGROUP -u 1337 sail
 
diff --git a/runtimes/8.4/Dockerfile b/runtimes/8.4/Dockerfile
index 33f882e6..8707873e 100644
--- a/runtimes/8.4/Dockerfile
+++ b/runtimes/8.4/Dockerfile
@@ -58,6 +58,7 @@ RUN apt-get update && apt-get upgrade -y \
 
 RUN setcap "cap_net_bind_service=+ep" /usr/bin/php8.4
 
+RUN userdel -r ubuntu
 RUN groupadd --force -g $WWWGROUP sail
 RUN useradd -ms /bin/bash --no-user-group -g $WWWGROUP -u 1337 sail