diff --git a/application/src/main/java/org/thingsboard/server/service/install/SqlDatabaseUpgradeService.java b/application/src/main/java/org/thingsboard/server/service/install/SqlDatabaseUpgradeService.java
index 8c8a7dd759..ef03e3ec43 100644
--- a/application/src/main/java/org/thingsboard/server/service/install/SqlDatabaseUpgradeService.java
+++ b/application/src/main/java/org/thingsboard/server/service/install/SqlDatabaseUpgradeService.java
@@ -221,10 +221,6 @@ public class SqlDatabaseUpgradeService implements DatabaseEntitiesUpgradeService
                             }
                         }
                     }
-                    try {
-                        conn.createStatement().execute("ALTER TABLE dashboard ALTER COLUMN configuration SET DATA TYPE varchar(100000000);"); //NOSONAR, ignoring because method used to execute thingsboard database upgrade script
-                    } catch (Exception e) {
-                    }
                     log.info("Schema updated.");
                 }
                 break;
diff --git a/dao/src/main/resources/sql/schema-entities.sql b/dao/src/main/resources/sql/schema-entities.sql
index 8d28329047..55893fc124 100644
--- a/dao/src/main/resources/sql/schema-entities.sql
+++ b/dao/src/main/resources/sql/schema-entities.sql
@@ -108,7 +108,7 @@ CREATE TABLE IF NOT EXISTS customer (
 
 CREATE TABLE IF NOT EXISTS dashboard (
     id varchar(31) NOT NULL CONSTRAINT dashboard_pkey PRIMARY KEY,
-    configuration varchar(100000000),
+    configuration varchar(10000000),
     assigned_customers varchar(1000000),
     search_text varchar(255),
     tenant_id varchar(31),