diff --git a/app/src/main/java/com/fox2code/mmm/utils/ExternalHelper.kt b/app/src/main/java/com/fox2code/mmm/utils/ExternalHelper.java
similarity index 100%
rename from app/src/main/java/com/fox2code/mmm/utils/ExternalHelper.kt
rename to app/src/main/java/com/fox2code/mmm/utils/ExternalHelper.java
diff --git a/app/src/main/java/com/fox2code/mmm/utils/FastException.kt b/app/src/main/java/com/fox2code/mmm/utils/FastException.java
similarity index 100%
rename from app/src/main/java/com/fox2code/mmm/utils/FastException.kt
rename to app/src/main/java/com/fox2code/mmm/utils/FastException.java
diff --git a/app/src/main/java/com/fox2code/mmm/utils/ProcessHelper.kt b/app/src/main/java/com/fox2code/mmm/utils/ProcessHelper.java
similarity index 100%
rename from app/src/main/java/com/fox2code/mmm/utils/ProcessHelper.kt
rename to app/src/main/java/com/fox2code/mmm/utils/ProcessHelper.java
diff --git a/app/src/main/java/com/fox2code/mmm/utils/SyncManager.kt b/app/src/main/java/com/fox2code/mmm/utils/SyncManager.java
similarity index 100%
rename from app/src/main/java/com/fox2code/mmm/utils/SyncManager.kt
rename to app/src/main/java/com/fox2code/mmm/utils/SyncManager.java