diff --git a/web-apache-mysql/alpine/docker-entrypoint.sh b/web-apache-mysql/alpine/docker-entrypoint.sh
index 463218fbf..d8dab5d47 100755
--- a/web-apache-mysql/alpine/docker-entrypoint.sh
+++ b/web-apache-mysql/alpine/docker-entrypoint.sh
@@ -60,10 +60,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -211,10 +207,6 @@ prepare_web_server() {
     fi
 }
 
-clear_deploy() {
-    echo "** Cleaning the system"
-}
-
 prepare_zbx_web_config() {
     local server_name=""
 
@@ -271,25 +263,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Apache) with MySQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-apache-mysql/centos/docker-entrypoint.sh b/web-apache-mysql/centos/docker-entrypoint.sh
index 9fc0b7da8..a95e092e8 100755
--- a/web-apache-mysql/centos/docker-entrypoint.sh
+++ b/web-apache-mysql/centos/docker-entrypoint.sh
@@ -60,10 +60,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -211,10 +207,6 @@ prepare_web_server() {
     fi
 }
 
-clear_deploy() {
-    echo "** Cleaning the system"
-}
-
 prepare_zbx_web_config() {
     local server_name=""
 
@@ -271,24 +263,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Apache) with MySQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-apache-mysql/ubuntu/docker-entrypoint.sh b/web-apache-mysql/ubuntu/docker-entrypoint.sh
index 11c44c61e..c9f21c9c6 100755
--- a/web-apache-mysql/ubuntu/docker-entrypoint.sh
+++ b/web-apache-mysql/ubuntu/docker-entrypoint.sh
@@ -60,10 +60,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -207,10 +203,6 @@ prepare_web_server() {
     fi
 }
 
-clear_deploy() {
-    echo "** Cleaning the system"
-}
-
 prepare_zbx_web_config() {
     local server_name=""
 
@@ -264,25 +256,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Apache) with MySQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-apache-pgsql/alpine/docker-entrypoint.sh b/web-apache-pgsql/alpine/docker-entrypoint.sh
index e8c2c8ccd..547944719 100755
--- a/web-apache-pgsql/alpine/docker-entrypoint.sh
+++ b/web-apache-pgsql/alpine/docker-entrypoint.sh
@@ -257,25 +257,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-        
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Apache) with MySQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-apache-pgsql/centos/docker-entrypoint.sh b/web-apache-pgsql/centos/docker-entrypoint.sh
index 0e678ebda..e736dfc17 100755
--- a/web-apache-pgsql/centos/docker-entrypoint.sh
+++ b/web-apache-pgsql/centos/docker-entrypoint.sh
@@ -60,10 +60,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -269,24 +265,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-        
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Apache) with MySQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-apache-pgsql/ubuntu/docker-entrypoint.sh b/web-apache-pgsql/ubuntu/docker-entrypoint.sh
index 15a1fe859..c8342e7be 100755
--- a/web-apache-pgsql/ubuntu/docker-entrypoint.sh
+++ b/web-apache-pgsql/ubuntu/docker-entrypoint.sh
@@ -60,10 +60,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -266,25 +262,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-        
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Apache) with MySQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-nginx-mysql/alpine/docker-entrypoint.sh b/web-nginx-mysql/alpine/docker-entrypoint.sh
index a61a6d6ed..9b47c9a27 100755
--- a/web-nginx-mysql/alpine/docker-entrypoint.sh
+++ b/web-nginx-mysql/alpine/docker-entrypoint.sh
@@ -62,10 +62,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -231,10 +227,6 @@ prepare_web_server() {
     fi
 }
 
-clear_deploy() {
-    echo "** Cleaning the system"
-}
-
 prepare_zbx_web_config() {
     local server_name=""
 
@@ -292,25 +284,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Nginx) with MySQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-nginx-mysql/centos/docker-entrypoint.sh b/web-nginx-mysql/centos/docker-entrypoint.sh
index 35a91bfbf..9d2b02c2b 100755
--- a/web-nginx-mysql/centos/docker-entrypoint.sh
+++ b/web-nginx-mysql/centos/docker-entrypoint.sh
@@ -62,10 +62,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -231,10 +227,6 @@ prepare_web_server() {
     fi
 }
 
-clear_deploy() {
-    echo "** Cleaning the system"
-}
-
 prepare_zbx_web_config() {
     local server_name=""
 
@@ -292,25 +284,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Nginx) with MySQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-nginx-mysql/ubuntu/docker-entrypoint.sh b/web-nginx-mysql/ubuntu/docker-entrypoint.sh
index 04296446c..7a67e880b 100755
--- a/web-nginx-mysql/ubuntu/docker-entrypoint.sh
+++ b/web-nginx-mysql/ubuntu/docker-entrypoint.sh
@@ -62,10 +62,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -227,10 +223,6 @@ prepare_web_server() {
     fi
 }
 
-clear_deploy() {
-    echo "** Cleaning the system"
-}
-
 prepare_zbx_web_config() {
     local server_name=""
 
@@ -284,25 +276,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Nginx) with MySQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-nginx-pgsql/alpine/docker-entrypoint.sh b/web-nginx-pgsql/alpine/docker-entrypoint.sh
index 3b127c1af..15acb4cd7 100755
--- a/web-nginx-pgsql/alpine/docker-entrypoint.sh
+++ b/web-nginx-pgsql/alpine/docker-entrypoint.sh
@@ -62,10 +62,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -227,10 +223,6 @@ prepare_web_server() {
     fi
 }
 
-clear_deploy() {
-    echo "** Cleaning the system"
-}
-
 prepare_zbx_web_config() {
     local server_name=""
 
@@ -288,25 +280,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Nginx) with PostgreSQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-nginx-pgsql/centos/docker-entrypoint.sh b/web-nginx-pgsql/centos/docker-entrypoint.sh
index 0d09d1a05..24887f577 100755
--- a/web-nginx-pgsql/centos/docker-entrypoint.sh
+++ b/web-nginx-pgsql/centos/docker-entrypoint.sh
@@ -62,10 +62,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -227,10 +223,6 @@ prepare_web_server() {
     fi
 }
 
-clear_deploy() {
-    echo "** Cleaning the system"
-}
-
 prepare_zbx_web_config() {
     local server_name=""
 
@@ -288,25 +280,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Nginx) with PostgreSQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"
 
diff --git a/web-nginx-pgsql/ubuntu/docker-entrypoint.sh b/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
index 672615bfa..7b3f36534 100755
--- a/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
+++ b/web-nginx-pgsql/ubuntu/docker-entrypoint.sh
@@ -62,10 +62,6 @@ file_env() {
     unset "$fileVar"
 }
 
-prepare_system() {
-    echo "** Preparing the system"
-}
-
 escape_spec_char() {
     local var_value=$1
 
@@ -227,10 +223,6 @@ prepare_web_server() {
     fi
 }
 
-clear_deploy() {
-    echo "** Cleaning the system"
-}
-
 prepare_zbx_web_config() {
     local server_name=""
 
@@ -284,25 +276,14 @@ prepare_zbx_web_config() {
     fi
 }
 
-prepare_web() {
-    echo "** Preparing Zabbix web-interface"
-
-    check_variables
-    check_db_connect
-    prepare_web_server
-    prepare_zbx_web_config
-}
-
-
 #################################################
 
 echo "** Deploying Zabbix web-interface (Nginx) with PostgreSQL database"
 
-prepare_system
-
-prepare_web
-
-clear_deploy
+check_variables
+check_db_connect
+prepare_web_server
+prepare_zbx_web_config
 
 echo "########################################################"