diff --git a/plat/imx/common/imx_sip_handler.c b/plat/imx/common/imx_sip_handler.c
index 89771cd6f..62048b696 100644
--- a/plat/imx/common/imx_sip_handler.c
+++ b/plat/imx/common/imx_sip_handler.c
@@ -14,9 +14,9 @@
 #include <imx_sip_svc.h>
 #include <sci/sci.h>
 
-#if defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX)
+#if defined(PLAT_imx8qm) || defined(PLAT_imx8qx)
 
-#ifdef PLAT_IMX8QM
+#ifdef PLAT_imx8qm
 const static int ap_cluster_index[PLATFORM_CLUSTER_COUNT] = {
 	SC_R_A53, SC_R_A72,
 };
@@ -56,10 +56,10 @@ static void imx_cpufreq_set_target(uint32_t cluster_id, unsigned long freq)
 {
 	sc_pm_clock_rate_t rate = (sc_pm_clock_rate_t)freq;
 
-#ifdef PLAT_IMX8QM
+#ifdef PLAT_imx8qm
 	sc_pm_set_clock_rate(ipc_handle, ap_cluster_index[cluster_id], SC_PM_CLK_CPU, &rate);
 #endif
-#ifdef PLAT_IMX8QX
+#ifdef PLAT_imx8qx
 	sc_pm_set_clock_rate(ipc_handle, SC_R_A35, SC_PM_CLK_CPU, &rate);
 #endif
 }
@@ -141,7 +141,7 @@ int imx_misc_set_temp_handler(uint32_t smc_fid,
 	return sc_misc_set_temp(ipc_handle, x1, x2, x3, x4);
 }
 
-#endif /* defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX) */
+#endif /* defined(PLAT_imx8qm) || defined(PLAT_imx8qx) */
 
 static uint64_t imx_get_commit_hash(u_register_t x2,
 		    u_register_t x3,
diff --git a/plat/imx/common/imx_sip_svc.c b/plat/imx/common/imx_sip_svc.c
index 45d18eff0..4893b9fa5 100644
--- a/plat/imx/common/imx_sip_svc.c
+++ b/plat/imx/common/imx_sip_svc.c
@@ -31,7 +31,7 @@ static uintptr_t imx_sip_handler(unsigned int smc_fid,
 		SMC_RET1(handle, imx_soc_info_handler(smc_fid, x1, x2, x3));
 		break;
 #endif
-#if (defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX))
+#if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx))
 	case  IMX_SIP_SRTC:
 		return imx_srtc_handler(smc_fid, handle, x1, x2, x3, x4);
 	case  IMX_SIP_CPUFREQ:
diff --git a/plat/imx/common/include/imx_sip_svc.h b/plat/imx/common/include/imx_sip_svc.h
index f532840d7..5898f7a81 100644
--- a/plat/imx/common/include/imx_sip_svc.h
+++ b/plat/imx/common/include/imx_sip_svc.h
@@ -33,7 +33,7 @@ int imx_soc_info_handler(uint32_t smc_fid, u_register_t x1,
 			 u_register_t x2, u_register_t x3);
 #endif
 
-#if (defined(PLAT_IMX8QM) || defined(PLAT_IMX8QX))
+#if (defined(PLAT_imx8qm) || defined(PLAT_imx8qx))
 int imx_cpufreq_handler(uint32_t smc_fid, u_register_t x1,
 			u_register_t x2, u_register_t x3);
 int imx_srtc_handler(uint32_t smc_fid, void *handle, u_register_t x1,
diff --git a/plat/imx/imx8m/imx8mq/include/platform_def.h b/plat/imx/imx8m/imx8mq/include/platform_def.h
index 0e678ca84..959b820c5 100644
--- a/plat/imx/imx8m/imx8mq/include/platform_def.h
+++ b/plat/imx/imx8m/imx8mq/include/platform_def.h
@@ -122,7 +122,6 @@
 
 #define DEBUG_CONSOLE			0
 #define IMX_WDOG_B_RESET
-#define PLAT_IMX8M			1
 
 #define CAAM_JR0MID			U(0x30900010)
 #define CAAM_JR1MID			U(0x30900018)
diff --git a/plat/imx/imx8qm/include/platform_def.h b/plat/imx/imx8qm/include/platform_def.h
index 946be7659..138a4e1d3 100644
--- a/plat/imx/imx8qm/include/platform_def.h
+++ b/plat/imx/imx8qm/include/platform_def.h
@@ -66,6 +66,5 @@
 
 #define DEBUG_CONSOLE			0
 #define DEBUG_CONSOLE_A53		0
-#define PLAT_IMX8QM			1
 
 #endif /* PLATFORM_DEF_H */
diff --git a/plat/imx/imx8qx/include/platform_def.h b/plat/imx/imx8qx/include/platform_def.h
index 3a3fac86f..108627f66 100644
--- a/plat/imx/imx8qx/include/platform_def.h
+++ b/plat/imx/imx8qx/include/platform_def.h
@@ -58,6 +58,5 @@
 
 #define DEBUG_CONSOLE			0
 #define DEBUG_CONSOLE_A35		0
-#define PLAT_IMX8QX			1
 
 #endif /* PLATFORM_DEF_H */