diff --git a/kernel/chips/adm1026.c b/kernel/chips/adm1026.c
index 27b38e4b..6fd62d29 100644
--- a/kernel/chips/adm1026.c
+++ b/kernel/chips/adm1026.c
@@ -298,7 +298,6 @@ static int adm1026_scaling[] = {  /* .001 Volts */
 
 struct adm1026_data {
 	struct i2c_client client;
-	struct semaphore lock;
 	int sysctl_id;
 	enum chips type;
 
diff --git a/kernel/chips/bmcsensors.c b/kernel/chips/bmcsensors.c
index df5d3833..00077e15 100644
--- a/kernel/chips/bmcsensors.c
+++ b/kernel/chips/bmcsensors.c
@@ -38,7 +38,6 @@
 */
 
 struct bmcsensors_data {
-	struct semaphore lock;
 	int sysctl_id;
 
 	struct semaphore update_lock;
diff --git a/kernel/chips/lm85.c b/kernel/chips/lm85.c
index 15ec9ac9..4f45e892 100644
--- a/kernel/chips/lm85.c
+++ b/kernel/chips/lm85.c
@@ -373,7 +373,6 @@ struct lm85_autofan {
 
 struct lm85_data {
 	struct i2c_client client;
-	struct semaphore lock;
 	int sysctl_id;
 	enum chips type;