diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h
index 6dfcea2..b13b7e0 100644
--- a/drivers/crypto/caam/intern.h
+++ b/drivers/crypto/caam/intern.h
@@ -53,8 +53,6 @@
  */
 struct caam_drv_private {
 
-	struct device *dev;
-	struct device *smdev;
 	struct device_d **jrpdev; /* Alloc'ed array per sub-device */
 	struct device_d *pdev;
 
@@ -89,9 +87,6 @@
 	struct clk *caam_emi_slow;
 };
 
-void caam_jr_algapi_init(struct device *dev);
-void caam_jr_algapi_remove(struct device *dev);
-
 int caam_rng_probe(struct device_d *dev, struct device_d *jrdev);
 int caam_blob_gen_probe(struct device_d *dev, struct device_d *jrdev);
 int caam_jr_probe(struct device_d *dev);
diff --git a/drivers/crypto/caam/jr.h b/drivers/crypto/caam/jr.h
index e0e53c0..85aca6d 100644
--- a/drivers/crypto/caam/jr.h
+++ b/drivers/crypto/caam/jr.h
@@ -8,8 +8,6 @@
 #define JR_H
 
 /* Prototypes for backend-level services exposed to APIs */
-struct device *caam_jr_alloc(void);
-void caam_jr_free(struct device *rdev);
 int caam_jr_enqueue(struct device_d *dev, u32 *desc,
 		    void (*cbk)(struct device_d *dev, u32 *desc, u32 status,
 				void *areq),
diff --git a/drivers/gpio/gpio-sx150x.c b/drivers/gpio/gpio-sx150x.c
index 7653518..cf166f3 100644
--- a/drivers/gpio/gpio-sx150x.c
+++ b/drivers/gpio/gpio-sx150x.c
@@ -45,7 +45,6 @@
 };
 
 struct sx150x_gpio {
-	struct device *dev;
 	struct i2c_client *client;
 	struct gpio_chip gpio;
 	struct regmap *regmap;
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index fc5cfb1..87f7e78 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -653,15 +653,6 @@
 	kfree(to_musb_request(req));
 }
 
-static LIST_HEAD(buffers);
-
-struct free_record {
-	struct list_head	list;
-	struct device		*dev;
-	unsigned		bytes;
-	dma_addr_t		dma;
-};
-
 /*
  * Context: controller locked, IRQs blocked.
  */