diff --git a/src/main/kotlin/com/ray650128/plugins/ArMaterialRouting.kt b/src/main/kotlin/com/ray650128/plugins/ArMaterialRouting.kt
index 0de063b..85e5a14 100644
--- a/src/main/kotlin/com/ray650128/plugins/ArMaterialRouting.kt
+++ b/src/main/kotlin/com/ray650128/plugins/ArMaterialRouting.kt
@@ -6,10 +6,8 @@ import com.ray650128.model.dto.MaterialDto
 import com.ray650128.model.dto.UserDto
 import com.ray650128.model.pojo.Material
 import com.ray650128.model.pojo.NewMaterial
-import com.ray650128.model.pojo.User
 import com.ray650128.service.MaterialService
 import com.ray650128.service.UserService
-import io.ktor.http.*
 import io.ktor.http.content.*
 import io.ktor.server.application.*
 import io.ktor.server.auth.*
@@ -17,7 +15,6 @@ import io.ktor.server.request.*
 import io.ktor.server.response.*
 import io.ktor.server.routing.*
 import kotlinx.serialization.json.Json
-import org.litote.kmongo.Id
 import java.io.File
 
 fun Application.configureArMaterialRouting() {
@@ -176,9 +173,5 @@ fun Application.configureArMaterialRouting() {
                 }
             }
         }
-
-        get("/json/kotlinx-serialization") {
-            call.respond(mapOf("hello" to "world"))
-        }
     }
 }