diff --git a/Xext/xselinux_hooks.c b/Xext/xselinux_hooks.c
index 4007958a9..11fcc491f 100644
--- a/Xext/xselinux_hooks.c
+++ b/Xext/xselinux_hooks.c
@@ -32,6 +32,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include <X11/Xatom.h>
 #include <X11/Xfuncproto.h>
 
+#include "dix/input_priv.h"
 #include "dix/registry_priv.h"
 #include "os/client_priv.h"
 
diff --git a/dix/input_priv.h b/dix/input_priv.h
index 2ce785f4a..517f9ed44 100644
--- a/dix/input_priv.h
+++ b/dix/input_priv.h
@@ -437,4 +437,13 @@ DeviceIntPtr PickPointer(ClientPtr pClient)
 DeviceIntPtr PickKeyboard(ClientPtr client)
     _X_ATTRIBUTE_NONNULL_ARG(1);
 
+/*
+ * @brief check whether input device is a pointer device
+ *
+ * @param dev   pointer to device structure
+ * @return TRUE if dev is a pointer device
+ */
+Bool IsPointerDevice(DeviceIntPtr dev)
+    _X_ATTRIBUTE_NONNULL_ARG(1);
+
 #endif /* _XSERVER_INPUT_PRIV_H */
diff --git a/include/dix.h b/include/dix.h
index afbf7c1a6..27d4888c2 100644
--- a/include/dix.h
+++ b/include/dix.h
@@ -288,9 +288,6 @@ typedef struct {
     DeviceIntPtr device;
 } DeviceEventInfoRec;
 
-extern _X_EXPORT Bool
-IsPointerDevice(DeviceIntPtr dev);
-
 extern _X_EXPORT Bool
 IsKeyboardDevice(DeviceIntPtr dev);