diff --git a/drivers/st/clk/stm32mp1_clk.c b/drivers/st/clk/stm32mp1_clk.c
index fcc2f27..101aa6b 100644
--- a/drivers/st/clk/stm32mp1_clk.c
+++ b/drivers/st/clk/stm32mp1_clk.c
@@ -2218,6 +2218,7 @@
 		DDRC2, DDRC2LP,
 		DDRCAPB, DDRPHYCAPB, DDRPHYCAPBLP,
 		DDRPHYC, DDRPHYCLP,
+		RTCAPB,
 		TZC1, TZC2,
 		TZPC,
 		STGEN_K,
@@ -2226,10 +2227,6 @@
 	for (idx = 0U; idx < ARRAY_SIZE(secure_enable); idx++) {
 		stm32mp_clk_enable(secure_enable[idx]);
 	}
-
-	if (!stm32mp_is_single_core()) {
-		stm32mp1_clk_enable_secure(RTCAPB);
-	}
 }
 
 int stm32mp1_clk_probe(void)