diff --git a/Dockerfile b/Dockerfile
index 3fbba25..0723adc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -368,7 +368,6 @@ RUN \
     | tar -xzf - -C /proot-apps/ && \
   echo "${PAPPS_RELEASE}" > /proot-apps/pversion && \
   echo "**** kasm support ****" && \
-  deluser ubuntu && \
   useradd \
     -u 1000 -U \
     -d /home/kasm-user \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 853fcf5..0eae204 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -370,7 +370,6 @@ RUN \
     | tar -xzf - -C /proot-apps/ && \
   echo "${PAPPS_RELEASE}" > /proot-apps/pversion && \
   echo "**** kasm support ****" && \
-  deluser ubuntu && \
   useradd \
     -u 1000 -U \
     -d /home/kasm-user \