diff --git a/OvmfPkg/XenBusDxe/XenStore.h b/OvmfPkg/XenBusDxe/XenStore.h
index 33bb647f6694..effaad73367d 100644
--- a/OvmfPkg/XenBusDxe/XenStore.h
+++ b/OvmfPkg/XenBusDxe/XenStore.h
@@ -7,27 +7,11 @@
   Copyright (C) 2014, Citrix Ltd.
 
   This file may be distributed separately from the Linux kernel, or
   incorporated into other software packages, subject to the following license:
 
-  Permission is hereby granted, free of charge, to any person obtaining a copy
-  of this source file (the "Software"), to deal in the Software without
-  restriction, including without limitation the rights to use, copy, modify,
-  merge, publish, distribute, sublicense, and/or sell copies of the Software,
-  and to permit persons to whom the Software is furnished to do so, subject to
-  the following conditions:
-
-  The above copyright notice and this permission notice shall be included in
-  all copies or substantial portions of the Software.
-
-  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-  IN THE SOFTWARE.
+  SPDX-License-Identifier: MIT
 **/
 
 #ifndef _XEN_XENSTORE_XENSTOREVAR_H
 #define _XEN_XENSTORE_XENSTOREVAR_H
 
diff --git a/OvmfPkg/XenBusDxe/XenBus.c b/OvmfPkg/XenBusDxe/XenBus.c
index ee9526c33252..bb8ddbc4d44d 100644
--- a/OvmfPkg/XenBusDxe/XenBus.c
+++ b/OvmfPkg/XenBusDxe/XenBus.c
@@ -12,27 +12,11 @@
   Copyright (C) 2014, Citrix Ltd.
 
   This file may be distributed separately from the Linux kernel, or
   incorporated into other software packages, subject to the following license:
 
-  Permission is hereby granted, free of charge, to any person obtaining a copy
-  of this source file (the "Software"), to deal in the Software without
-  restriction, including without limitation the rights to use, copy, modify,
-  merge, publish, distribute, sublicense, and/or sell copies of the Software,
-  and to permit persons to whom the Software is furnished to do so, subject to
-  the following conditions:
-
-  The above copyright notice and this permission notice shall be included in
-  all copies or substantial portions of the Software.
-
-  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-  IN THE SOFTWARE.
+  SPDX-License-Identifier: MIT
 **/
 
 #include <Library/PrintLib.h>
 
 #include "XenBus.h"
diff --git a/OvmfPkg/XenBusDxe/XenStore.c b/OvmfPkg/XenBusDxe/XenStore.c
index 6812e1078cd8..34890ae40bb2 100644
--- a/OvmfPkg/XenBusDxe/XenStore.c
+++ b/OvmfPkg/XenBusDxe/XenStore.c
@@ -33,27 +33,11 @@
   Copyright (C) 2014, Citrix Ltd.
 
   This file may be distributed separately from the Linux kernel, or
   incorporated into other software packages, subject to the following license:
 
-  Permission is hereby granted, free of charge, to any person obtaining a copy
-  of this source file (the "Software"), to deal in the Software without
-  restriction, including without limitation the rights to use, copy, modify,
-  merge, publish, distribute, sublicense, and/or sell copies of the Software,
-  and to permit persons to whom the Software is furnished to do so, subject to
-  the following conditions:
-
-  The above copyright notice and this permission notice shall be included in
-  all copies or substantial portions of the Software.
-
-  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-  IN THE SOFTWARE.
+  SPDX-License-Identifier: MIT
 **/
 
 #include "XenStore.h"
 
 #include <Library/PrintLib.h>
