diff --git a/Dockerfiles/proxy-mysql/alpine/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/alpine/docker-entrypoint.sh
index 8e9a54d11..eba98a905 100755
--- a/Dockerfiles/proxy-mysql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/alpine/docker-entrypoint.sh
@@ -383,7 +383,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
diff --git a/Dockerfiles/proxy-mysql/centos/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/centos/docker-entrypoint.sh
index f7becaee7..64fcb7d09 100755
--- a/Dockerfiles/proxy-mysql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/centos/docker-entrypoint.sh
@@ -380,7 +380,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
diff --git a/Dockerfiles/proxy-mysql/ol/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/ol/docker-entrypoint.sh
index f7becaee7..64fcb7d09 100755
--- a/Dockerfiles/proxy-mysql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/ol/docker-entrypoint.sh
@@ -380,7 +380,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
diff --git a/Dockerfiles/proxy-mysql/rhel/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/rhel/docker-entrypoint.sh
index f7becaee7..64fcb7d09 100755
--- a/Dockerfiles/proxy-mysql/rhel/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/rhel/docker-entrypoint.sh
@@ -380,7 +380,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
diff --git a/Dockerfiles/proxy-mysql/ubuntu/docker-entrypoint.sh b/Dockerfiles/proxy-mysql/ubuntu/docker-entrypoint.sh
index 85a584ed6..36da8e5fb 100755
--- a/Dockerfiles/proxy-mysql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/proxy-mysql/ubuntu/docker-entrypoint.sh
@@ -380,7 +380,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "ProxyLocalBuffer" "${ZBX_PROXYLOCALBUFFER}"
diff --git a/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh b/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh
index 77ba75022..3429c3915 100755
--- a/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/alpine/docker-entrypoint.sh
@@ -378,7 +378,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "HistoryStorageURL" "${ZBX_HISTORYSTORAGEURL}"
diff --git a/Dockerfiles/server-mysql/centos/docker-entrypoint.sh b/Dockerfiles/server-mysql/centos/docker-entrypoint.sh
index 6a15c9058..3811da157 100755
--- a/Dockerfiles/server-mysql/centos/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/centos/docker-entrypoint.sh
@@ -375,7 +375,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "HistoryStorageURL" "${ZBX_HISTORYSTORAGEURL}"
diff --git a/Dockerfiles/server-mysql/ol/docker-entrypoint.sh b/Dockerfiles/server-mysql/ol/docker-entrypoint.sh
index 6a15c9058..3811da157 100755
--- a/Dockerfiles/server-mysql/ol/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/ol/docker-entrypoint.sh
@@ -375,7 +375,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "HistoryStorageURL" "${ZBX_HISTORYSTORAGEURL}"
diff --git a/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh b/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh
index 6a15c9058..3811da157 100755
--- a/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/rhel/docker-entrypoint.sh
@@ -375,7 +375,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "HistoryStorageURL" "${ZBX_HISTORYSTORAGEURL}"
diff --git a/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh b/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh
index 15877ac39..ff957fcd6 100755
--- a/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh
+++ b/Dockerfiles/server-mysql/ubuntu/docker-entrypoint.sh
@@ -375,7 +375,6 @@ update_zbx_config() {
     update_config_var $ZBX_CONFIG "DBSchema" "${DB_SERVER_SCHEMA}"
 
     update_config_var $ZBX_CONFIG "DBUser" "${DB_SERVER_ZBX_USER}"
-    update_config_var $ZBX_CONFIG "DBPort" "${DB_SERVER_PORT}"
     update_config_var $ZBX_CONFIG "DBPassword" "${DB_SERVER_ZBX_PASS}"
 
     update_config_var $ZBX_CONFIG "HistoryStorageURL" "${ZBX_HISTORYSTORAGEURL}"