diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h
index 5dd3bb450..eb88e5f1d 100644
--- a/Eigen/src/Core/util/Macros.h
+++ b/Eigen/src/Core/util/Macros.h
@@ -574,7 +574,7 @@
 
 /// \internal EIGEN_HAS_ARM64_FP16_VECTOR_ARITHMETIC set to 1 if the architecture
 /// supports Neon vector intrinsics for fp16.
-#if EIGEN_ARCH_ARM_OR_ARM64
+#if EIGEN_ARCH_ARM64
   #ifndef EIGEN_HAS_ARM64_FP16_VECTOR_ARITHMETIC
     // Clang only supports FP16 on aarch64, and not all intrinsics are available
     // on A32 anyways even in GCC (e.g. vdiv_f16, vsqrt_f16).
@@ -588,7 +588,7 @@
 
 /// \internal EIGEN_HAS_ARM64_FP16_SCALAR_ARITHMETIC set to 1 if the architecture
 /// supports Neon scalar intrinsics for fp16.
-#if EIGEN_ARCH_ARM_OR_ARM64
+#if EIGEN_ARCH_ARM64
   #ifndef EIGEN_HAS_ARM64_FP16_SCALAR_ARITHMETIC
     // Clang only supports FP16 on aarch64, and not all intrinsics are available
     // on A32 anyways, even in GCC (e.g. vceqh_f16).