diff --git a/app/src/main/java/com/qhy040404/libraryonetap/utils/extensions/CollectionExtensions.kt b/app/src/main/java/com/qhy040404/libraryonetap/utils/extensions/CollectionExtensions.kt
deleted file mode 100644
index eb2c2ae8..00000000
--- a/app/src/main/java/com/qhy040404/libraryonetap/utils/extensions/CollectionExtensions.kt
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.qhy040404.libraryonetap.utils.extensions
-
-/**
- * Check if a element of a collection of char or string is in the target string
- *
- * @param string
- */
-fun Collection<CharSequence>.hasElementIn(string: String): Boolean {
-    this.forEach {
-        return string.contains(it)
-    }
-    return false
-}
diff --git a/app/src/main/java/com/qhy040404/libraryonetap/utils/web/Requests.kt b/app/src/main/java/com/qhy040404/libraryonetap/utils/web/Requests.kt
index c60bc723..3100a3c2 100644
--- a/app/src/main/java/com/qhy040404/libraryonetap/utils/web/Requests.kt
+++ b/app/src/main/java/com/qhy040404/libraryonetap/utils/web/Requests.kt
@@ -25,7 +25,6 @@ import java.util.concurrent.TimeUnit
 
 @Suppress("SpellCheckingInspection")
 object Requests {
-
     var libInitialized = false
     var eduInitialized = false
 
@@ -131,10 +130,7 @@ object Requests {
                     return response.request.url.toString()
                 }
                 return runBlocking(Dispatchers.IO) {
-                    response.body!!.string().also {
-                        val b = form
-                        val a = it
-                    }
+                    response.body!!.string()
                 }
             }
         } catch (s: SocketTimeoutException) {