diff --git a/drivers/spi/spi_cc13xx_cc26xx.c b/drivers/spi/spi_cc13xx_cc26xx.c
index 9496ba95211..9c1398d3996 100644
--- a/drivers/spi/spi_cc13xx_cc26xx.c
+++ b/drivers/spi/spi_cc13xx_cc26xx.c
@@ -9,7 +9,6 @@
 LOG_MODULE_REGISTER(spi_cc13xx_cc26xx);
 
 #include <drivers/spi.h>
-#include <sys_clock.h>
 
 #include <driverlib/prcm.h>
 #include <driverlib/ssi.h>
@@ -83,7 +82,7 @@ static int spi_cc13xx_cc26xx_configure(struct device *dev,
 		return -EINVAL;
 	}
 
-	if (2 * config->frequency > sys_clock_hw_cycles_per_sec()) {
+	if (2 * config->frequency > DT_CPU_CLOCK_FREQUENCY) {
 		LOG_ERR("Frequency greater than supported in master mode");
 		return -EINVAL;
 	}
@@ -113,7 +112,7 @@ static int spi_cc13xx_cc26xx_configure(struct device *dev,
 	SSIDisable(cfg->base);
 
 	/* Configure SSI */
-	SSIConfigSetExpClk(cfg->base, sys_clock_hw_cycles_per_sec(), prot,
+	SSIConfigSetExpClk(cfg->base, DT_CPU_CLOCK_FREQUENCY, prot,
 			   SSI_MODE_MASTER, config->frequency, 8);
 
 	if (SPI_MODE_GET(config->operation) & SPI_MODE_LOOP) {