diff --git a/app/src/main/java/exh/md/similar/SimilarHttpService.kt b/app/src/main/java/exh/md/similar/SimilarHttpService.kt
deleted file mode 100644
index 5a39d8821..000000000
--- a/app/src/main/java/exh/md/similar/SimilarHttpService.kt
+++ /dev/null
@@ -1,45 +0,0 @@
-package exh.md.similar
-
-import com.jakewharton.retrofit2.converter.kotlinx.serialization.asConverterFactory
-import eu.kanade.tachiyomi.network.NetworkHelper
-import kotlinx.serialization.json.Json
-import okhttp3.MediaType.Companion.toMediaType
-import okhttp3.ResponseBody
-import retrofit2.Call
-import retrofit2.Retrofit
-import retrofit2.http.GET
-import retrofit2.http.Streaming
-import uy.kohesive.injekt.injectLazy
-
-interface SimilarHttpService {
-    companion object {
-        private val client by lazy {
-            val network: NetworkHelper by injectLazy()
-            network.client.newBuilder()
-                // unzip interceptor which will add the correct headers
-                .addNetworkInterceptor { chain ->
-                    val originalResponse = chain.proceed(chain.request())
-                    originalResponse.newBuilder()
-                        .header("Content-Encoding", "gzip")
-                        .header("Content-Type", "application/json")
-                        .build()
-                }
-                .build()
-        }
-
-        fun create(): SimilarHttpService {
-            // actual builder, which will parse the underlying json file
-            val adapter = Retrofit.Builder()
-                .baseUrl("https://raw.githubusercontent.com")
-                .addConverterFactory(Json.asConverterFactory("application/json".toMediaType()))
-                .client(client)
-                .build()
-
-            return adapter.create(SimilarHttpService::class.java)
-        }
-    }
-
-    @Streaming
-    @GET("/goldbattle/MangadexRecomendations/master/output/mangas_compressed.json.gz")
-    fun getSimilarResults(): Call<ResponseBody>
-}
diff --git a/app/src/main/java/exh/md/similar/SimilarUpdateService.kt b/app/src/main/java/exh/md/similar/SimilarUpdateService.kt
index ad2764ab6..ae4ca4326 100644
--- a/app/src/main/java/exh/md/similar/SimilarUpdateService.kt
+++ b/app/src/main/java/exh/md/similar/SimilarUpdateService.kt
@@ -15,6 +15,9 @@ import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.notification.NotificationReceiver
 import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.network.GET
+import eu.kanade.tachiyomi.network.NetworkHelper
+import eu.kanade.tachiyomi.network.await
 import eu.kanade.tachiyomi.util.system.isServiceRunning
 import eu.kanade.tachiyomi.util.system.notificationManager
 import exh.md.similar.sql.models.MangaSimilarImpl
@@ -29,7 +32,6 @@ import kotlinx.coroutines.withContext
 import okio.buffer
 import okio.sink
 import okio.source
-import retrofit2.awaitResponse
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
 import java.io.File
@@ -39,6 +41,19 @@ class SimilarUpdateService(
     val db: DatabaseHelper = Injekt.get()
 ) : Service() {
 
+    private val client by lazy {
+        Injekt.get<NetworkHelper>().client.newBuilder()
+            // unzip interceptor which will add the correct headers
+            .addNetworkInterceptor { chain ->
+                val originalResponse = chain.proceed(chain.request())
+                originalResponse.newBuilder()
+                    .header("Content-Encoding", "gzip")
+                    .header("Content-Type", "application/json")
+                    .build()
+            }
+            .build()
+    }
+
     /**
      * Wake lock that will be held until the service is destroyed.
      */
@@ -135,7 +150,9 @@ class SimilarUpdateService(
      * Method that updates the similar database for manga
      */
     private suspend fun updateSimilar() = withContext(Dispatchers.IO) {
-        val response = SimilarHttpService.create().getSimilarResults().awaitResponse()
+        val response = client
+            .newCall(GET(similarUrl))
+            .await()
         if (!response.isSuccessful) {
             throw Exception("Error trying to download similar file")
         }
@@ -143,7 +160,7 @@ class SimilarUpdateService(
         val buffer = withContext(Dispatchers.IO) { destinationFile.sink().buffer() }
 
         // write json to file
-        response.body()?.byteStream()?.source()?.use { input ->
+        response.body?.byteStream()?.source()?.use { input ->
             buffer.use { output ->
                 output.writeAll(input)
             }
@@ -288,6 +305,7 @@ class SimilarUpdateService(
     }
 
     companion object {
+        private const val similarUrl = "https://raw.githubusercontent.com/goldbattle/MangadexRecomendations/master/output/mangas_compressed.json.gz"
 
         /**
          * Returns the status of the service.