diff --git a/docs/dev_environment.md b/docs/dev_environment.md
--- a/docs/dev_environment.md
+++ b/docs/dev_environment.md
@@ -416,8 +416,7 @@
   "host": "127.0.0.1",
   "user": "comm",
   "password": "password",
-  "database": "comm",
-  "dbType": "mariadb10.8"
+  "database": "comm"
 }
 ```
 
diff --git a/keyserver/flow-typed/npm/mysql_v2.x.x.js b/keyserver/flow-typed/npm/mysql_v2.x.x.js
--- a/keyserver/flow-typed/npm/mysql_v2.x.x.js
+++ b/keyserver/flow-typed/npm/mysql_v2.x.x.js
@@ -19,29 +19,29 @@
   }
 
   declare type ConnectionOptions = {
-    host?: string,
-    port?: number,
-    localAddress?: string,
-    socketPath?: string,
-    user: string,
-    password: string,
-    database?: string,
-    charset?: string,
-    timezone?: string,
-    connectTimeout?: number,
-    stringifyObjects?: boolean,
-    insecureAuth?: boolean,
-    typeCast?: boolean | ((field: TypeCastField, next: () => mixed) => any),
-    queryFormat?: (query: string, values: ?mixed, timezone: string) => string,
-    supportBigNumbers?: boolean,
-    bigNumberStrings?: boolean,
-    dateStrings?: boolean | Array<string>,
+    +host?: string,
+    +port?: number,
+    +localAddress?: string,
+    +socketPath?: string,
+    +user: string,
+    +password: string,
+    +database?: string,
+    +charset?: string,
+    +timezone?: string,
+    +connectTimeout?: number,
+    +stringifyObjects?: boolean,
+    +insecureAuth?: boolean,
+    +typeCast?: boolean | ((field: TypeCastField, next: () => mixed) => any),
+    +queryFormat?: (query: string, values: ?mixed, timezone: string) => string,
+    +supportBigNumbers?: boolean,
+    +bigNumberStrings?: boolean,
+    +dateStrings?: boolean | Array<string>,
     // Array form contains ids of packets for logging
-    debug?: boolean | Array<string>,
-    trace?: boolean,
-    multipleStatements?: boolean,
-    flags?: string,
-    ssl?: string | {...},
+    +debug?: boolean | Array<string>,
+    +trace?: boolean,
+    +multipleStatements?: boolean,
+    +flags?: string,
+    +ssl?: string | {...},
   };
 
   declare type QueryOptions = {
diff --git a/keyserver/src/database/database.js b/keyserver/src/database/database.js
--- a/keyserver/src/database/database.js
+++ b/keyserver/src/database/database.js
@@ -22,7 +22,7 @@
   if (migrationConnection) {
     return migrationConnection;
   }
-  const { dbType, ...dbConfig } = await getDBConfig();
+  const dbConfig = await getDBConfig();
   const options: ConnectionOptions = dbConfig;
   migrationConnection = await mysqlPromise.createConnection(options);
   return migrationConnection;
@@ -34,7 +34,7 @@
     return pool;
   }
   const scriptContext = getScriptContext();
-  const { dbType, ...dbConfig } = await getDBConfig();
+  const dbConfig = await getDBConfig();
   const options: PoolOptions = {
     ...dbConfig,
     connectionLimit,
@@ -187,7 +187,7 @@
 }
 
 async function getMultipleStatementsConnection() {
-  const { dbType, ...dbConfig } = await getDBConfig();
+  const dbConfig = await getDBConfig();
   const options: ConnectionOptions = {
     ...dbConfig,
     multipleStatements: true,
diff --git a/keyserver/src/database/db-config.js b/keyserver/src/database/db-config.js
--- a/keyserver/src/database/db-config.js
+++ b/keyserver/src/database/db-config.js
@@ -4,38 +4,15 @@
 
 import { getCommConfig } from 'lib/utils/comm-config.js';
 
-type DBType = 'mariadb10.8';
 export type DBConfig = {
   +host: string,
   +user: string,
   +password: string,
   +database: string,
-  +dbType: DBType,
 };
 
-function assertValidDBType(dbType: ?string): DBType {
-  invariant(
-    dbType,
-    'dbType not specified in DB config. Following the MySQL deprecation this ' +
-      'is a required parameter. Please follow this Gist to migrate to ' +
-      'MariaDB: ' +
-      'https://gist.github.com/Ashoat/3a5ded2549db082c5516606f3c3c5da5',
-  );
-  invariant(
-    dbType !== 'mysql5.7',
-    'We no longer support MySQL. Please follow this Gist to migrate to ' +
-      'MariaDB: ' +
-      'https://gist.github.com/Ashoat/3a5ded2549db082c5516606f3c3c5da5',
-  );
-  invariant(dbType === 'mariadb10.8', `${dbType} is not a valid dbType`);
-  return dbType;
-}
-
 let dbConfig;
 async function getDBConfig(): Promise<DBConfig> {
-  if (dbConfig !== undefined) {
-    return dbConfig;
-  }
   if (
     process.env.COMM_DATABASE_DATABASE &&
     process.env.COMM_DATABASE_USER &&
@@ -46,7 +23,6 @@
       user: process.env.COMM_DATABASE_USER,
       password: process.env.COMM_DATABASE_PASSWORD,
       database: process.env.COMM_DATABASE_DATABASE,
-      dbType: assertValidDBType(process.env.COMM_DATABASE_TYPE),
     };
   } else {
     const importedDBConfig = await getCommConfig<DBConfig>({
@@ -54,17 +30,10 @@
       name: 'db_config',
     });
     invariant(importedDBConfig, 'DB config missing');
-    dbConfig = {
-      ...importedDBConfig,
-      dbType: assertValidDBType(importedDBConfig.dbType),
-    };
+
+    dbConfig = importedDBConfig;
   }
   return dbConfig;
 }
 
-async function getDBType(): Promise<DBType> {
-  const config = await getDBConfig();
-  return config.dbType;
-}
-
-export { getDBConfig, getDBType };
+export { getDBConfig };
diff --git a/nix/mariadb-up-mac.nix b/nix/mariadb-up-mac.nix
--- a/nix/mariadb-up-mac.nix
+++ b/nix/mariadb-up-mac.nix
@@ -44,7 +44,6 @@
         "user": "comm",
         "password": "PASS",
         "database": "comm",
-        "dbType": "mariadb${mariadb-version}"
       }
     '';
   };