diff --git a/debian/changelog b/debian/changelog
index e645da9..6f84d9a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+dde-device-formatter (1.5.6) unstable; urgency=medium
+
+  * remove obsolete English translation file 
+
+ -- Zhang Sheng <zhangsheng@uniontech.com>  Fri, 27 Jun 2025 17:11:30 +0800
+
 dde-device-formatter (1.5.5) unstable; urgency=medium
 
   * update translations
diff --git a/translations/dde-device-formatter_en_AU.ts b/translations/dde-device-formatter_en_AU.ts
deleted file mode 100644
index 1f40691..0000000
--- a/translations/dde-device-formatter_en_AU.ts
+++ /dev/null
@@ -1,138 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!DOCTYPE TS>
-<TS version="2.1" language="en_AU">
-<context>
-    <name>FinishPage</name>
-    <message>
-        <location filename="../view/finishpage.cpp" line="22"/>
-        <source>Format successful</source>
-        <translation>Format successful</translation>
-    </message>
-</context>
-<context>
-    <name>FormatingPage</name>
-    <message>
-        <location filename="../view/formatingpage.cpp" line="29"/>
-        <source>Formatting the disk, please wait...</source>
-        <translation>Formatting the disk, please wait...</translation>
-    </message>
-</context>
-<context>
-    <name>MainPage</name>
-    <message>
-        <location filename="../view/mainpage.cpp" line="99"/>
-        <source>Type</source>
-        <translation>Type</translation>
-    </message>
-    <message>
-        <location filename="../view/mainpage.cpp" line="117"/>
-        <source>Label</source>
-        <translation>Label</translation>
-    </message>
-    <message>
-        <location filename="../view/mainpage.cpp" line="127"/>
-        <source>Quick Format</source>
-        <translation>Quick Format</translation>
-    </message>
-    <message>
-        <location filename="../view/mainpage.cpp" line="144"/>
-        <source>Formatting will erase all data on the disk.</source>
-        <translation>Formatting will erase all data on the disk.</translation>
-    </message>
-</context>
-<context>
-    <name>MainWindow</name>
-    <message>
-        <location filename="../view/mainwindow.cpp" line="68"/>
-        <source>Format</source>
-        <translation>Format</translation>
-    </message>
-    <message>
-        <location filename="../view/mainwindow.cpp" line="250"/>
-        <source>Continue</source>
-        <translation>Continue</translation>
-    </message>
-    <message>
-        <location filename="../view/mainwindow.cpp" line="256"/>
-        <source>Formatting...</source>
-        <translation>Formatting...</translation>
-    </message>
-    <message>
-        <location filename="../view/mainwindow.cpp" line="290"/>
-        <source>Done</source>
-        <translation>Done</translation>
-    </message>
-    <message>
-        <location filename="../view/mainwindow.cpp" line="303"/>
-        <source>Quit</source>
-        <translation>Quit</translation>
-    </message>
-    <message>
-        <location filename="../view/mainwindow.cpp" line="304"/>
-        <source>Your disk has been removed</source>
-        <translation>Your disk has been removed</translation>
-    </message>
-    <message>
-        <location filename="../view/mainwindow.cpp" line="308"/>
-        <source>Failed to format the device</source>
-        <translation>Failed to format the device</translation>
-    </message>
-    <message>
-        <location filename="../view/mainwindow.cpp" line="309"/>
-        <source>Reformat</source>
-        <translation>Reformat</translation>
-    </message>
-</context>
-<context>
-    <name>MessageDialog</name>
-    <message>
-        <location filename="../dialogs/messagedialog.cpp" line="23"/>
-        <source>OK</source>
-        <translation>OK</translation>
-    </message>
-</context>
-<context>
-    <name>QCoreApplication</name>
-    <message>
-        <location filename="../utils/udisksutils.cpp" line="40"/>
-        <source>System Disk</source>
-        <translation>System Disk</translation>
-    </message>
-    <message>
-        <location filename="../utils/udisksutils.cpp" line="46"/>
-        <source>%1 Encrypted</source>
-        <translation>'%1 Encrypted'</translation>
-    </message>
-    <message>
-        <location filename="../utils/udisksutils.cpp" line="50"/>
-        <source>%1 Volume</source>
-        <translation>'%1 Volume'</translation>
-    </message>
-</context>
-<context>
-    <name>QObject</name>
-    <message>
-        <location filename="../main.cpp" line="80"/>
-        <source>dde device formatter</source>
-        <translation>dde device formatter</translation>
-    </message>
-    <message>
-        <location filename="../main.cpp" line="97"/>
-        <source>Device does not exist</source>
-        <translation>Device does not exist</translation>
-    </message>
-    <message>
-        <location filename="../main.cpp" line="107"/>
-        <source>The device is read-only</source>
-        <translation>The device is read-only</translation>
-    </message>
-</context>
-<context>
-    <name>WarnPage</name>
-    <message>
-        <location filename="../view/warnpage.cpp" line="23"/>
-        <source>Formatting will erase all data on this disk, are you sure you want to continue? It cannot be restored.</source>
-        <translation>Formatting will erase all data on this disk, are you sure you want to continue? It cannot be restored.</translation>
-    </message>
-</context>
-</TS>