diff --git a/app/build.gradle b/app/build.gradle
index 149ec9e7..6c6a8b58 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -34,7 +34,7 @@ android {
         release {
             manifestPlaceholders = [icon_placeholder: "@mipmap/ic_launcher", icon_placeholder_round: "@mipmap/ic_launcher_round"]
             debuggable false
-            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-gson.pro', 'proguard-rules.pro'
         }
     }
     buildFeatures {
diff --git a/app/src/main/java/ani/dantotsu/media/anime/AnimeNameAdapter.kt b/app/src/main/java/ani/dantotsu/media/anime/AnimeNameAdapter.kt
index 8fd0b97b..1e4d305d 100644
--- a/app/src/main/java/ani/dantotsu/media/anime/AnimeNameAdapter.kt
+++ b/app/src/main/java/ani/dantotsu/media/anime/AnimeNameAdapter.kt
@@ -50,17 +50,15 @@ class AnimeNameAdapter {
             val removedNumber = text.replace(regexPattern, "").ifEmpty {
                 text
             }
-            return if (removedNumber.equals(text, true)) {  // if nothing was removed
-                val failedEpisodeNumberPattern: Regex =
-                    Regex(failedEpisodeNumberRegex, RegexOption.IGNORE_CASE)
-                failedEpisodeNumberPattern.replace(removedNumber) { mr ->
-                    mr.value.replaceFirst(mr.groupValues[1], "")
-                }.ifEmpty { removedNumber }
-            } else {
+            val letterPattern = Regex("[a-zA-Z]")
+            return if (letterPattern.containsMatchIn(removedNumber)) {
                 removedNumber
+            } else {
+                text
             }
         }
 
+
         fun removeEpisodeNumberCompletely(text: String): String {
             val regexPattern = Regex(episodeRegex, RegexOption.IGNORE_CASE)
             val removedNumber = text.replace(regexPattern, "")
diff --git a/app/src/main/java/ani/dantotsu/others/Kitsu.kt b/app/src/main/java/ani/dantotsu/others/Kitsu.kt
index 6f07b75d..bee4beee 100644
--- a/app/src/main/java/ani/dantotsu/others/Kitsu.kt
+++ b/app/src/main/java/ani/dantotsu/others/Kitsu.kt
@@ -85,10 +85,10 @@ query {
         return a
     }
 
-    fun decodeToString(res: NiceResponse?): String? {
+    private fun decodeToString(res: NiceResponse?): String? {
         return when (res?.headers?.get("Content-Encoding")) {
             "gzip" -> {
-                res.body.byteStream()?.use { inputStream ->
+                res.body.byteStream().use { inputStream ->
                     GZIPInputStream(inputStream).use { gzipInputStream ->
                         InputStreamReader(gzipInputStream).use { reader ->
                             reader.readText()