diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt b/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt
index ad6252472..08ed9197c 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt
@@ -13,7 +13,6 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.flow.drop
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
-import kotlinx.serialization.encodeToString
 import kotlinx.serialization.json.Json
 import logcat.LogPriority
 import okhttp3.Response
@@ -148,7 +147,7 @@ class ChapterCache(
     fun isImageInCache(imageUrl: String): Boolean {
         return try {
             diskCache.get(DiskUtil.hashKeyForDisk(imageUrl)).use { it != null }
-        } catch (e: IOException) {
+        } catch (_: IOException) {
             false
         }
     }
@@ -180,7 +179,7 @@ class ChapterCache(
         try {
             // Get editor from md5 key.
             val key = DiskUtil.hashKeyForDisk(imageUrl)
-            editor = diskCache.edit(key) ?: throw IOException("Unable to edit key")
+            editor = diskCache.edit(key) ?: return
 
             // Get OutputStream and write image with Okio.
             response.body.source().saveTo(editor.newOutputStream(0))