diff --git a/modules/core/pom.xml b/modules/core/pom.xml
index bfa1607..b3d2882 100644
--- a/modules/core/pom.xml
+++ b/modules/core/pom.xml
@@ -30,13 +30,6 @@
 			<scope>runtime</scope>
 		</dependency>
 
-		<!-- Oracle 11g
-		<dependency>
-			<groupId>com.oracle</groupId>
-			<artifactId>ojdbc6</artifactId>
-			<version>11.2.0.3</version>
-			<scope>runtime</scope>
-		</dependency> -->
 		<!-- Oracle 12c 及以上版本 -->
 		<dependency>
 			<groupId>com.oracle.database.jdbc</groupId>
@@ -44,12 +37,6 @@
 			<scope>runtime</scope>
 		</dependency>
 
-		<!-- SqlServer 2008
-		<dependency>
-			<groupId>net.sourceforge.jtds</groupId>
-			<artifactId>jtds</artifactId>
-			<scope>runtime</scope>
-		</dependency> -->
 		<!-- SqlServer 2012 及以上版本 -->
 		<dependency>
 			<groupId>com.microsoft.sqlserver</groupId>
@@ -64,13 +51,6 @@
 			<scope>runtime</scope>
 		</dependency>
 
-		<!-- H2 DB
-		<dependency>
-			<groupId>com.h2database</groupId>
-			<artifactId>h2</artifactId>
-			<scope>runtime</scope>
-		</dependency> -->
-
 		<!-- 达梦数据库 -->
 		<dependency>
 			<groupId>com.dameng</groupId>