diff --git a/gril/grilutil.c b/gril/grilutil.c
index d210abad..1998d6a4 100644
--- a/gril/grilutil.c
+++ b/gril/grilutil.c
@@ -60,20 +60,6 @@ int ril_protocol_string_to_ofono_protocol(gchar *protocol_str)
 	return result;
 }
 
-const char *ril_cardstate_to_string(int card_state)
-{
-	switch (card_state) {
-	case RIL_CARDSTATE_ABSENT:
-		return "ABSENT";
-	case RIL_CARDSTATE_PRESENT:
-		return "PRESENT";
-	case RIL_CARDSTATE_ERROR:
-		return "ERROR";
-	default:
-		return "<INVALID>";
-	}
-}
-
 const char *ril_error_to_string(int error)
 {
 	switch (error) {
diff --git a/gril/grilutil.h b/gril/grilutil.h
index 152a84d6..d9f645a1 100644
--- a/gril/grilutil.h
+++ b/gril/grilutil.h
@@ -32,7 +32,6 @@ extern "C" {
 #include "gril.h"
 
 int ril_protocol_string_to_ofono_protocol(gchar *protocol_str);
-const char *ril_cardstate_to_string(int card_state);
 const char *ril_error_to_string(int error);
 const char *ril_pinstate_to_string(int pin_state);
 const char *ril_radio_state_to_string(int radio_state);