diff --git a/maxkey-lib/hgjdbc-6.0.4-jdbc42.jar b/maxkey-lib/hgjdbc-6.0.4-jdbc42.jar deleted file mode 100644 index 01710ae13..000000000 Binary files a/maxkey-lib/hgjdbc-6.0.4-jdbc42.jar and /dev/null differ diff --git a/maxkey-lib/kingbase8-8.6.0.jar b/maxkey-lib/kingbase8-8.6.0.jar deleted file mode 100644 index 43087395e..000000000 Binary files a/maxkey-lib/kingbase8-8.6.0.jar and /dev/null differ