diff --git a/server/build.gradle.kts b/server/build.gradle.kts
index af90c3b04..4e11d4a81 100644
--- a/server/build.gradle.kts
+++ b/server/build.gradle.kts
@@ -43,7 +43,7 @@ dependencies {
 
     // Javalin api
     implementation(libs.bundles.javalin)
-    //implementation(libs.bundles.jackson)
+    implementation(libs.bundles.jackson)
 
     // GraphQL
     implementation(libs.graphql.kotlin.server)
diff --git a/server/src/main/kotlin/suwayomi/tachidesk/graphql/cache/CustomCacheMap.kt b/server/src/main/kotlin/suwayomi/tachidesk/graphql/cache/CustomCacheMap.kt
index 7f9b946b2..6fd089b36 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/graphql/cache/CustomCacheMap.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/graphql/cache/CustomCacheMap.kt
@@ -32,7 +32,5 @@ class CustomCacheMap<K : Any, V : Any> : CacheMap<K, V> {
         return this
     }
 
-    override fun size(): Int {
-        return cache.size
-    }
+    override fun size(): Int = cache.size
 }