diff --git a/make/build-nativewindow.xml b/make/build-nativewindow.xml
index 6c9405cfd..140416bba 100644
--- a/make/build-nativewindow.xml
+++ b/make/build-nativewindow.xml
@@ -446,19 +446,16 @@
 
       <linker id="linker.cfg.linux.nativewindow.x11" extends="linker.cfg.linux">
         <syslibset libs="X11"/>
-        <syslibset libs="Xxf86vm" />
         <syslibset libs="Xrender"/>
       </linker>
 
       <linker id="linker.cfg.linux.x86.nativewindow.x11" extends="linker.cfg.linux.x86">
         <syslibset libs="X11"/>
-        <syslibset libs="Xxf86vm" />
         <syslibset libs="Xrender"/>
       </linker>
 
       <linker id="linker.cfg.linux.amd64.nativewindow.x11" extends="linker.cfg.linux.amd64">
         <syslibset libs="X11"/>
-        <syslibset libs="Xxf86vm" />
         <syslibset libs="Xrender"/>
       </linker>
 
@@ -470,7 +467,6 @@
 
       <linker id="linker.cfg.linux.aarch64.nativewindow.x11" extends="linker.cfg.linux.aarch64">
         <syslibset dir="${env.TARGET_PLATFORM_ROOT}/usr/lib" libs="X11" />
-        <syslibset dir="${env.TARGET_PLATFORM_ROOT}/usr/lib" libs="Xxf86vm" />
         <syslibset dir="${env.TARGET_PLATFORM_ROOT}/usr/lib" libs="Xrender" />
       </linker>
 
diff --git a/src/nativewindow/native/x11/Xmisc.h b/src/nativewindow/native/x11/Xmisc.h
index d8868f802..fb7f5f758 100644
--- a/src/nativewindow/native/x11/Xmisc.h
+++ b/src/nativewindow/native/x11/Xmisc.h
@@ -39,9 +39,6 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 
-#if !defined(__sun_obsolete) && !defined(_HPUX)
-#include <X11/extensions/xf86vmode.h>
-#else
 Bool XF86VidModeGetGammaRampSize(
     Display*                    /* dpy */,
     int                         /* screen */,
@@ -63,6 +60,5 @@ Bool XF86VidModeSetGammaRamp(
     unsigned short*             /* green array */,
     unsigned short*             /* blue array */
 );
-#endif /* defined(__sun_obsolete) || defined(_HPUX) */
 
 #endif /* Xmisc_h */