diff --git a/scsiapi/scsiapi_linux.c b/scsiapi/scsiapi_linux.c
index adb24289..39f9d5b0 100644
--- a/scsiapi/scsiapi_linux.c
+++ b/scsiapi/scsiapi_linux.c
@@ -10,8 +10,6 @@
 |   SPDX-License-Identifier: GPL-2.0-only                   |
 \*---------------------------------------------------------*/
 
-#pragma once
-
 /*---------------------------------------------------------*\
 | Includes                                                  |
 \*---------------------------------------------------------*/
diff --git a/scsiapi/scsiapi_macos.c b/scsiapi/scsiapi_macos.c
index b41ff861..a0d3645d 100644
--- a/scsiapi/scsiapi_macos.c
+++ b/scsiapi/scsiapi_macos.c
@@ -10,8 +10,6 @@
 |   SPDX-License-Identifier: GPL-2.0-only                   |
 \*---------------------------------------------------------*/
 
-#pragma once
-
 /*---------------------------------------------------------*\
 | Includes                                                  |
 \*---------------------------------------------------------*/
diff --git a/scsiapi/scsiapi_windows.c b/scsiapi/scsiapi_windows.c
index 89c2079b..24992c93 100644
--- a/scsiapi/scsiapi_windows.c
+++ b/scsiapi/scsiapi_windows.c
@@ -10,8 +10,6 @@
 |   SPDX-License-Identifier: GPL-2.0-only                   |
 \*---------------------------------------------------------*/
 
-#pragma once
-
 /*---------------------------------------------------------*\
 | Includes                                                  |
 \*---------------------------------------------------------*/