diff --git a/drivers/mipi_dsi/dsi_mcux.c b/drivers/mipi_dsi/dsi_mcux.c
index 0093a2467a0..03b0c39ceaf 100644
--- a/drivers/mipi_dsi/dsi_mcux.c
+++ b/drivers/mipi_dsi/dsi_mcux.c
@@ -32,10 +32,6 @@ LOG_MODULE_REGISTER(dsi_mcux, CONFIG_MIPI_DSI_LOG_LEVEL);
 #define DSI_DPHY_PLL_CM_MIN 16U
 #define DSI_DPHY_PLL_CM_MAX 255U
 
-/* PLL VCO output frequency max value is 1.5GHz, VCO output is (ref_clk / CN ) * CM. */
-#define DSI_DPHY_PLL_VCO_MAX MHZ(1500)
-#define DSI_DPHY_PLL_VCO_MIN (DSI_DPHY_PLL_REFCLK_CN_MIN * DSI_DPHY_PLL_CM_MIN)
-
 #define DSI_DPHY_PLL_CO_MIN 0
 #define DSI_DPHY_PLL_CO_MAX 3