diff --git a/kernel/chips/sis5595.c b/kernel/chips/sis5595.c
index 65a3318b..4a339417 100644
--- a/kernel/chips/sis5595.c
+++ b/kernel/chips/sis5595.c
@@ -478,7 +478,6 @@ int sis5595_read_value(struct i2c_client *client, u8 reg)
 {
     int res;
     
-    down((struct semaphore *) (client->data));
     down(& (((struct sis5595_data *) (client->data)) -> lock));
     outb_p(reg,client->addr + SIS5595_ADDR_REG_OFFSET);
     res = inb_p(client->addr + SIS5595_DATA_REG_OFFSET);
diff --git a/prog/sensors/main.c b/prog/sensors/main.c
index fb21d61a..5645b8c5 100644
--- a/prog/sensors/main.c
+++ b/prog/sensors/main.c
@@ -258,7 +258,7 @@ void do_a_print(sensors_chip_name name)
            !strcmp(name.prefix,"lm81"))
     print_adm9240(&name);
   else if (!strcmp(name.prefix,"lm78") || !strcmp(name.prefix,"lm78-j") ||
-           !strcmp(name.prefix,"lm79") || !strcmp(name.prefix,"sis5595"))
+           !strcmp(name.prefix,"lm79"))
     print_lm78(&name);
   else if (!strcmp(name.prefix,"sis5595"))
     print_sis5595(&name);