diff --git a/web-apache-mysql/alpine/docker-entrypoint.sh b/web-apache-mysql/alpine/docker-entrypoint.sh
index 04266e0b1..cc9d10176 100755
--- a/web-apache-mysql/alpine/docker-entrypoint.sh
+++ b/web-apache-mysql/alpine/docker-entrypoint.sh
@@ -20,9 +20,6 @@ fi
 # Default timezone for web interface
 : ${PHP_TZ:="Europe/Riga"}
 
-#Enable PostgreSQL timescaleDB feature:
-ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
-
 # Default directories
 # Configuration files directory
 ZABBIX_ETC_DIR="/etc/zabbix"
diff --git a/web-apache-mysql/centos/docker-entrypoint.sh b/web-apache-mysql/centos/docker-entrypoint.sh
index d5aa5fc3f..a781bf7d8 100755
--- a/web-apache-mysql/centos/docker-entrypoint.sh
+++ b/web-apache-mysql/centos/docker-entrypoint.sh
@@ -20,9 +20,6 @@ fi
 # Default timezone for web interface
 : ${PHP_TZ:="Europe/Riga"}
 
-#Enable PostgreSQL timescaleDB feature:
-ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
-
 # Default directories
 # Configuration files directory
 ZABBIX_ETC_DIR="/etc/zabbix"
diff --git a/web-apache-mysql/ubuntu/docker-entrypoint.sh b/web-apache-mysql/ubuntu/docker-entrypoint.sh
index d00832998..3ca979b6a 100755
--- a/web-apache-mysql/ubuntu/docker-entrypoint.sh
+++ b/web-apache-mysql/ubuntu/docker-entrypoint.sh
@@ -20,9 +20,6 @@ fi
 # Default timezone for web interface
 : ${PHP_TZ:="Europe/Riga"}
 
-#Enable PostgreSQL timescaleDB feature:
-ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
-
 # Default directories
 # Configuration files directory
 ZABBIX_ETC_DIR="/etc/zabbix"
diff --git a/web-nginx-mysql/alpine/docker-entrypoint.sh b/web-nginx-mysql/alpine/docker-entrypoint.sh
index 43b32ec79..92fa4f8e1 100755
--- a/web-nginx-mysql/alpine/docker-entrypoint.sh
+++ b/web-nginx-mysql/alpine/docker-entrypoint.sh
@@ -20,9 +20,6 @@ ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
 # Default timezone for web interface
 PHP_TZ=${PHP_TZ:-"Europe/Riga"}
 
-#Enable PostgreSQL timescaleDB feature:
-ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
-
 # Default directories
 # User 'zabbix' home directory
 ZABBIX_USER_HOME_DIR="/var/lib/zabbix"
diff --git a/web-nginx-mysql/centos/docker-entrypoint.sh b/web-nginx-mysql/centos/docker-entrypoint.sh
index c66ee27c2..5c0f07902 100755
--- a/web-nginx-mysql/centos/docker-entrypoint.sh
+++ b/web-nginx-mysql/centos/docker-entrypoint.sh
@@ -20,9 +20,6 @@ ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
 # Default timezone for web interface
 PHP_TZ=${PHP_TZ:-"Europe/Riga"}
 
-#Enable PostgreSQL timescaleDB feature:
-ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
-
 # Default directories
 # User 'zabbix' home directory
 ZABBIX_USER_HOME_DIR="/var/lib/zabbix"
diff --git a/web-nginx-mysql/ubuntu/docker-entrypoint.sh b/web-nginx-mysql/ubuntu/docker-entrypoint.sh
index 0cb199a93..2a0b48763 100755
--- a/web-nginx-mysql/ubuntu/docker-entrypoint.sh
+++ b/web-nginx-mysql/ubuntu/docker-entrypoint.sh
@@ -20,9 +20,6 @@ ZBX_SERVER_PORT=${ZBX_SERVER_PORT:-"10051"}
 # Default timezone for web interface
 PHP_TZ=${PHP_TZ:-"Europe/Riga"}
 
-#Enable PostgreSQL timescaleDB feature:
-ENABLE_TIMESCALEDB=${ENABLE_TIMESCALEDB:-"false"}
-
 # Default directories
 # User 'zabbix' home directory
 ZABBIX_USER_HOME_DIR="/var/lib/zabbix"