diff --git a/drivers/cxl/pci.c b/drivers/cxl/pci.c
index e2f27671c6b25fa9ed170c91f09e4ea863fada75..9d8050fdd69c2ea1c7f3b21350641056bc14e4c3 100644
--- a/drivers/cxl/pci.c
+++ b/drivers/cxl/pci.c
@@ -8,7 +8,6 @@
 #include <linux/mutex.h>
 #include <linux/list.h>
 #include <linux/cdev.h>
-#include <linux/idr.h>
 #include <linux/pci.h>
 #include <linux/io.h>
 #include <linux/io-64-nonatomic-lo-hi.h>