diff --git a/src/main/scala/gitbucket/core/GitBucketCoreModule.scala b/src/main/scala/gitbucket/core/GitBucketCoreModule.scala
index 5789cf6..0b559d7 100644
--- a/src/main/scala/gitbucket/core/GitBucketCoreModule.scala
+++ b/src/main/scala/gitbucket/core/GitBucketCoreModule.scala
@@ -9,7 +9,7 @@
 import gitbucket.core.util.Directory.ActivityLog
 import gitbucket.core.util.JDBCUtil
 import io.github.gitbucket.solidbase.Solidbase
-import io.github.gitbucket.solidbase.migration.{LiquibaseMigration, Migration, SqlMigration}
+import io.github.gitbucket.solidbase.migration.{LiquibaseMigration, Migration}
 import io.github.gitbucket.solidbase.model.{Module, Version}
 import org.json4s.{Formats, NoTypeHints}
 import org.json4s.jackson.Serialization