diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 6b5c66247..8013ff4c5 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -72,15 +72,13 @@ android {
             "-progressive",
 
             "-opt-in=coil.annotation.ExperimentalCoilApi",
-            "-opt-in=com.google.accompanist.permissions.ExperimentalPermissionsApi",
             "-opt-in=androidx.compose.foundation.layout.ExperimentalLayoutApi",
-            "-opt-in=androidx.compose.material.ExperimentalMaterialApi",
             "-opt-in=androidx.compose.material3.ExperimentalMaterial3Api",
             "-opt-in=androidx.compose.material.ExperimentalMaterialApi",
             "-opt-in=androidx.compose.ui.ExperimentalComposeUiApi",
             "-opt-in=androidx.compose.foundation.ExperimentalFoundationApi",
             "-opt-in=androidx.compose.animation.ExperimentalAnimationApi",
-            "-opt-in=androidx.compose.animation.graphics.ExperimentalAnimationGraphicsApi",
+            "-opt-in=kotlin.contracts.ExperimentalContracts",
             "-opt-in=kotlinx.coroutines.ExperimentalCoroutinesApi",
             "-opt-in=kotlinx.coroutines.FlowPreview",
             "-opt-in=kotlinx.coroutines.InternalCoroutinesApi",
diff --git a/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt b/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt
index 8f55d03ea..89bcebd61 100644
--- a/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt
+++ b/app/src/main/java/com/hippo/ehviewer/download/DownloadManager.kt
@@ -37,7 +37,6 @@ import com.hippo.yorozuya.collect.LongList
 import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.launch
 import java.util.LinkedList
-import kotlin.contracts.ExperimentalContracts
 import kotlin.contracts.contract
 
 object DownloadManager : OnSpiderListener {
@@ -117,7 +116,6 @@ object DownloadManager : OnSpiderListener {
         mDownloadInfoListeners = ArrayList()
     }
 
-    @OptIn(ExperimentalContracts::class)
     private fun getInfoListForLabel(label: String?): LinkedList<DownloadInfo>? {
         contract {
             returns(null) implies (label != null)