diff --git a/dfu/src/main/java/no/nordicsemi/android/dfu/BaseCustomDfuImpl.java b/dfu/src/main/java/no/nordicsemi/android/dfu/BaseCustomDfuImpl.java
index d673435..99eae3f 100644
--- a/dfu/src/main/java/no/nordicsemi/android/dfu/BaseCustomDfuImpl.java
+++ b/dfu/src/main/java/no/nordicsemi/android/dfu/BaseCustomDfuImpl.java
@@ -273,6 +273,7 @@ import no.nordicsemi.android.dfu.internal.exception.UploadAbortedException;
 		}
 	}
 
+	@SuppressWarnings("unused")
 	protected abstract UUID getControlPointCharacteristicUUID();
 
 	protected abstract UUID getPacketCharacteristicUUID();
diff --git a/dfu/src/main/java/no/nordicsemi/android/dfu/FileType.java b/dfu/src/main/java/no/nordicsemi/android/dfu/FileType.java
index e80ed54..4949a98 100644
--- a/dfu/src/main/java/no/nordicsemi/android/dfu/FileType.java
+++ b/dfu/src/main/java/no/nordicsemi/android/dfu/FileType.java
@@ -9,6 +9,5 @@ import androidx.annotation.IntDef;
             DfuBaseService.TYPE_APPLICATION
         },
         flag = true)
-public @interface FileType {
-}
+public @interface FileType {}