diff --git a/app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt b/app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt
index 989aa48b..0a7090f5 100644
--- a/app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt
+++ b/app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt
@@ -55,9 +55,9 @@ class Patcher {
 					}
 				}
 			}
+			realm.close()
 		}
 
 	}
 
-
 }
\ No newline at end of file
diff --git a/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt b/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt
index 5bf4524b..38ace451 100644
--- a/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt
+++ b/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt
@@ -6,8 +6,6 @@ import java.util.*
 
 class Preferences {
 
-    private val ONCE_PREFIX = "singleExecution_"
-
     enum class Keys(var identifier: String) {
         CURRENCY_CODE("CurrencyCode"),
         LOCALE_CODE("LocaleCode"),