diff --git a/arch/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c b/arch/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
index a354fdd4b..cf1676570 100644
--- a/arch/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
+++ b/arch/cpu/cc26xx-cc13xx/rf-core/ieee-mode.c
@@ -209,7 +209,7 @@ static const output_config_t output_power[] = {
 #define OUTPUT_POWER_UNKNOWN 0xFFFF
 
 /* Default TX Power - position in output_power[] */
-const output_config_t *tx_power_current = &output_power[0];
+static const output_config_t *tx_power_current = &output_power[0];
 /*---------------------------------------------------------------------------*/
 static volatile int8_t last_rssi = 0;
 static volatile uint8_t last_corr_lqi = 0;
diff --git a/arch/cpu/cc26xx-cc13xx/rf-core/prop-mode.c b/arch/cpu/cc26xx-cc13xx/rf-core/prop-mode.c
index 61581f20a..f9f49e9a0 100644
--- a/arch/cpu/cc26xx-cc13xx/rf-core/prop-mode.c
+++ b/arch/cpu/cc26xx-cc13xx/rf-core/prop-mode.c
@@ -203,7 +203,7 @@ extern const prop_mode_tx_power_config_t TX_POWER_DRIVER[];
 #define OUTPUT_POWER_UNKNOWN 0xFFFF
 
 /* Default TX Power - position in output_power[] */
-const prop_mode_tx_power_config_t *tx_power_current = &TX_POWER_DRIVER[1];
+static const prop_mode_tx_power_config_t *tx_power_current = &TX_POWER_DRIVER[1];
 /*---------------------------------------------------------------------------*/
 #ifdef PROP_MODE_CONF_LO_DIVIDER
 #define PROP_MODE_LO_DIVIDER   PROP_MODE_CONF_LO_DIVIDER