diff --git a/include/plat/arm/common/arm_def.h b/include/plat/arm/common/arm_def.h
index ead1a8b..53bd13f 100644
--- a/include/plat/arm/common/arm_def.h
+++ b/include/plat/arm/common/arm_def.h
@@ -434,7 +434,7 @@
 #endif
 #endif
 
-#if defined(AARCH32) || JUNO_AARCH32_EL3_RUNTIME
+#if !defined(__aarch64__) || JUNO_AARCH32_EL3_RUNTIME
 /*******************************************************************************
  * BL32 specific defines for EL3 runtime in AArch32 mode
  ******************************************************************************/
@@ -498,17 +498,17 @@
 # else
 #  error "Unsupported ARM_TSP_RAM_LOCATION_ID value"
 # endif
-#endif /* AARCH32 || JUNO_AARCH32_EL3_RUNTIME */
+#endif /* !__aarch64__ || JUNO_AARCH32_EL3_RUNTIME */
 
 /*
  * BL32 is mandatory in AArch32. In AArch64, undefine BL32_BASE if there is no
  * SPD and no SPM, as they are the only ones that can be used as BL32.
  */
-#if !(defined(AARCH32) || JUNO_AARCH32_EL3_RUNTIME)
+#if defined(__aarch64__) && !JUNO_AARCH32_EL3_RUNTIME
 # if defined(SPD_none) && !ENABLE_SPM
 #  undef BL32_BASE
 # endif /* defined(SPD_none) && !ENABLE_SPM */
-#endif /* !(defined(AARCH32) || JUNO_AARCH32_EL3_RUNTIME) */
+#endif /* defined(__aarch64__) && !JUNO_AARCH32_EL3_RUNTIME */
 
 /*******************************************************************************
  * FWU Images: NS_BL1U, BL2U & NS_BL2U defines.
diff --git a/include/plat/arm/common/plat_arm.h b/include/plat/arm/common/plat_arm.h
index c8260e8..07a46c5 100644
--- a/include/plat/arm/common/plat_arm.h
+++ b/include/plat/arm/common/plat_arm.h
@@ -69,7 +69,7 @@
 
 void arm_setup_romlib(void);
 
-#if defined(IMAGE_BL31) || (defined(AARCH32) && defined(IMAGE_BL32))
+#if defined(IMAGE_BL31) || (!defined(__aarch64__) && defined(IMAGE_BL32))
 /*
  * Use this macro to instantiate lock before it is used in below
  * arm_lock_xxx() macros
@@ -102,7 +102,7 @@
 #define arm_lock_get()
 #define arm_lock_release()
 
-#endif /* defined(IMAGE_BL31) || (defined(AARCH32) && defined(IMAGE_BL32)) */
+#endif /* defined(IMAGE_BL31) || (!defined(__aarch64__) && defined(IMAGE_BL32)) */
 
 #if ARM_RECOM_STATE_ID_ENC
 /*