diff --git a/common/globalvar.c b/common/globalvar.c
index b9bfce7..1bea742 100644
--- a/common/globalvar.c
+++ b/common/globalvar.c
@@ -99,6 +99,9 @@
 	const char *val;
 	int ret = 0;
 
+	if (!IS_ENABLED(CONFIG_NVVAR))
+		return;
+
 	if (dev == &nv_device)
 		return;
 	if (dev == &global_device)
@@ -138,6 +141,9 @@
 	const char *dot;
 	int dotpos;
 
+	if (!IS_ENABLED(CONFIG_NVVAR))
+		return -ENOSYS;
+
 	*dev = NULL;
 
 	if (strncmp(name, "dev.", 4))
@@ -447,6 +453,9 @@
 {
 	const char *val;
 
+	if (!IS_ENABLED(CONFIG_NVVAR))
+		return;
+
 	val = dev_get_param(&nv_device, name);
 	if (val)
 		dev_set_param(&global_device, name, val);