diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index 1d8ac1a1e304..a848df77514a 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -14,7 +14,6 @@
 #include <linux/platform_device.h>
 #include <linux/device.h>
 #include <linux/interrupt.h>
-#include <linux/workqueue.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/uaccess.h>
diff --git a/include/linux/mfd/ab3100.h b/include/linux/mfd/ab3100.h
index 56343b8013b5..3ead5cfb638c 100644
--- a/include/linux/mfd/ab3100.h
+++ b/include/linux/mfd/ab3100.h
@@ -6,6 +6,7 @@
  */
 
 #include <linux/device.h>
+#include <linux/workqueue.h>
 
 #ifndef MFD_AB3100_H
 #define MFD_AB3100_H