diff --git a/README-containers.md b/README-containers.md
index 9e1ee282..3cbaa853 100644
--- a/README-containers.md
+++ b/README-containers.md
@@ -174,8 +174,6 @@ All these variables impact in configuration directives in the modsecurity engine
 
 | Name | Description|
 | -- | -- |
-| USER | Name (or #number) of the user to run httpd or nginx as (Default: `www-data` (httpd), `nginx` (nginx)) |
-| GROUP | Name (or #number) of the group to run httpd as (Default: `www-data`) |
 | BACKEND | Backend address (and optional port) of the backend server. (Default: the container's default router, port 81) (Examples: 192.0.2.2, 192.0.2.2:80, <http://172.17.0.1:8000>) |
 
 ### CRS specific
diff --git a/README.md b/README.md
index a0051c42..f810310a 100644
--- a/README.md
+++ b/README.md
@@ -259,8 +259,6 @@ All these variables impact in configuration directives in the modsecurity engine
 
 | Name     | Description|
 | -------- | ------------------------------------------------------------------- |
-| USER | A string value indicating the name (or #number) of the user to run httpd or nginx as (Default: `www-data` (httpd), `nginx` (nginx)) |
-| GROUP | A string value indicating the name (or #number) of the group to run httpd as (Default: `www-data`) |
 | BACKEND  | The backend address (and optional port) of the backend server. (Default: the container's default router, port 81) (Examples: 192.0.2.2, 192.0.2.2:80, <http://172.17.0.1:8000>) |
 
 ### CRS specific
@@ -359,8 +357,6 @@ docker run -dti -p 80:80 --rm \
    -e TIMEOUT=60 \
    -e LOGLEVEL=warn \
    -e ERRORLOG='/proc/self/fd/2' \
-   -e USER=daemon \
-   -e GROUP=daemon \
    -e SERVER_ADMIN=root@localhost \
    -e SERVER_NAME=localhost \
    -e PORT=80 \
diff --git a/apache/Dockerfile b/apache/Dockerfile
index 29c9ae78..a6658370 100644
--- a/apache/Dockerfile
+++ b/apache/Dockerfile
@@ -134,8 +134,6 @@ ENV APACHE_ALWAYS_TLS_REDIRECT=off \
     SSL_USE_STAPLING=On \
     TIMEOUT=60 \
     WORKER_CONNECTIONS=400 \
-    USER=www-data \
-    GROUP=www-data \
     # CRS specific variables
     PARANOIA=1 \
     ANOMALY_INBOUND=5 \
diff --git a/apache/Dockerfile-alpine b/apache/Dockerfile-alpine
index a0397d49..05657fad 100644
--- a/apache/Dockerfile-alpine
+++ b/apache/Dockerfile-alpine
@@ -144,9 +144,6 @@ ENV APACHE_ALWAYS_TLS_REDIRECT=off \
     SSL_USE_STAPLING=On \
     TIMEOUT=60 \
     WORKER_CONNECTIONS=400 \
-    # overridden variables
-    USER=www-data \
-    GROUP=www-data \
     # CRS specific variables
     PARANOIA=1 \
     ANOMALY_INBOUND=5 \
diff --git a/apache/conf/extra/httpd-modsecurity.conf b/apache/conf/extra/httpd-modsecurity.conf
index d59e8887..5c268138 100644
--- a/apache/conf/extra/httpd-modsecurity.conf
+++ b/apache/conf/extra/httpd-modsecurity.conf
@@ -7,11 +7,6 @@ ErrorLog ${ERRORLOG}
 # https://github.com/SpiderLabs/ModSecurity/wiki/Reference-Manual-(v2.x)#secserversignature
 SecServerSignature ${MODSEC_SERVER_SIGNATURE}
 
-<IfModule unixd_module>
-  User ${USER}
-  Group ${GROUP}
-</IfModule>
-
 <IfModule reqtimeout_module>
   RequestReadTimeout header=20-40,MinRate=500 body=20,MinRate=500
 </IfModule>
diff --git a/nginx/Dockerfile b/nginx/Dockerfile
index e1c2dbf0..8b21e6c7 100644
--- a/nginx/Dockerfile
+++ b/nginx/Dockerfile
@@ -160,8 +160,6 @@ ENV ACCESSLOG=/var/log/nginx/access.log \
     WORKER_CONNECTIONS=1024 \
     LD_LIBRARY_PATH=/lib:/usr/lib:/usr/local/lib \
     NGINX_ENVSUBST_OUTPUT_DIR=/etc/nginx \
-    # overridden variables
-    USER=nginx \
     # CRS specific variables
     PARANOIA=1 \
     ANOMALY_INBOUND=5 \
diff --git a/nginx/Dockerfile-alpine b/nginx/Dockerfile-alpine
index 8a1d5b31..eef38cbf 100644
--- a/nginx/Dockerfile-alpine
+++ b/nginx/Dockerfile-alpine
@@ -155,8 +155,6 @@ ENV ACCESSLOG=/var/log/nginx/access.log \
     WORKER_CONNECTIONS=1024 \
     LD_LIBRARY_PATH=/lib:/usr/lib:/usr/local/lib \
     NGINX_ENVSUBST_OUTPUT_DIR=/etc/nginx \
-    # overridden variables
-    USER=nginx \
     # CRS specific variables
     PARANOIA=1 \
     ANOMALY_INBOUND=5 \