diff --git a/database/src/main/kotlin/cn/tursom/database/TypeAdapterFactory.kt b/database/src/main/kotlin/cn/tursom/database/TypeAdapterFactory.kt
index 7b155e0..fe3af7b 100644
--- a/database/src/main/kotlin/cn/tursom/database/TypeAdapterFactory.kt
+++ b/database/src/main/kotlin/cn/tursom/database/TypeAdapterFactory.kt
@@ -67,7 +67,3 @@ object TypeAdapterFactory {
 
   override fun toString() = adapterMap.toString()
 }
-
-fun main() {
-  println(TypeAdapterFactory)
-}
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