diff --git a/mingw-w64-crt/libarm32/dmutil.def b/mingw-w64-crt/lib-common/dmutil.def
similarity index 82%
rename from mingw-w64-crt/libarm32/dmutil.def
rename to mingw-w64-crt/lib-common/dmutil.def
index 881e3c9..66f3eb9 100644
--- a/mingw-w64-crt/libarm32/dmutil.def
+++ b/mingw-w64-crt/lib-common/dmutil.def
@@ -1,8 +1,3 @@
-;
-; Definition file of dmutil.dll
-; Automatic generated by gendef
-; written by Kai Tietz 2008-2014
-;
 LIBRARY "dmutil.dll"
 EXPORTS
 CoDisableDynamicVolumes
@@ -18,6 +13,7 @@
 FreeRgszw
 GetErrorData
 GetInstallDirectoryPath
+GetSystemVolume
 IsPersonalSKU
 LowAcquirePrivilege
 LowGetPartitionInfo
diff --git a/mingw-w64-crt/lib64/dmutil.def b/mingw-w64-crt/lib64/dmutil.def
deleted file mode 100644
index fe9c886..0000000
--- a/mingw-w64-crt/lib64/dmutil.def
+++ /dev/null
@@ -1,37 +0,0 @@
-; 
-; Exports of file dmutil.dll
-;
-; Autogenerated by gen_exportdef
-; Written by Kai Tietz, 2007
-;
-LIBRARY dmutil.dll
-EXPORTS
-CoDisableDynamicVolumes
-AddEntryBootFileGpt
-AddEntryBootFileMbr
-DisplayError
-DisplayErrorRgszw
-DllMain
-DmCommonNtOpenFile
-DynamicSupport
-FTrace
-FTraceValist
-FreeRgszw
-GetErrorData
-GetInstallDirectoryPath
-GetSystemVolume
-IsPersonalSKU
-LowAcquirePrivilege
-LowGetPartitionInfo
-LowNtAddBootEntry
-LowNtReadFile
-LowNtReadOnlyAttributeOff
-LowNtWriteFile
-RgszwDupRgszw
-RgszwFromArgs
-RgszwFromValist
-ShowMessage
-ShowMessageValist
-SzwDupSzw
-SzwFromSza
-TranslateError