diff --git a/onnxruntime/core/mlas/inc/mlas.h b/onnxruntime/core/mlas/inc/mlas.h
index fd6b3df934..ab79559716 100644
--- a/onnxruntime/core/mlas/inc/mlas.h
+++ b/onnxruntime/core/mlas/inc/mlas.h
@@ -77,6 +77,7 @@ Abstract:
 #define MLAS_SUPPORTS_GEMM_DOUBLE
 #endif
 
+#if !defined(ORT_MINIMAL_BUILD) || defined(ORT_EXTENDED_MINIMAL_BUILD)
 #if (!defined(_MSC_VER)) || (_MSC_VER >= 1930)
 #if defined(MLAS_TARGET_ARM64) || defined(MLAS_TARGET_ARM64EC)
 #if !defined(__APPLE__)
@@ -90,6 +91,7 @@ Abstract:
 #endif // 
 #endif // ARM64
 #endif // Visual Studio 16 or earlier does not support fp16 intrinsic
+#endif // !defined(ORT_MINIMAL_BUILD) || defined(ORT_EXTENDED_MINIMAL_BUILD)
 
 //
 // Basic Linear Algebra Subprograms (BLAS) types.
diff --git a/onnxruntime/core/mlas/lib/halfgemm_kernel_neon.cpp b/onnxruntime/core/mlas/lib/halfgemm_kernel_neon.cpp
index d7f5a90b00..35576b3e67 100644
--- a/onnxruntime/core/mlas/lib/halfgemm_kernel_neon.cpp
+++ b/onnxruntime/core/mlas/lib/halfgemm_kernel_neon.cpp
@@ -14,6 +14,8 @@ Abstract:
 
 --*/
 
+#if !defined(ORT_MINIMAL_BUILD) || defined(ORT_EXTENDED_MINIMAL_BUILD)
+
 #include "mlasi.h"
 #include "halfgemm.h"
 
@@ -185,3 +187,5 @@ const MLAS_HALFGEMM_DISPATCH MlasHalfGemmDispatchNeon = {
     MLAS_HALF_GEMM_KERNEL_NEON::KernelMaxM,
     32 // kernel may read beyond buffer end by 32 bytes
 };
+
+#endif // !defined(ORT_MINIMAL_BUILD) || defined(ORT_EXTENDED_MINIMAL_BUILD)
\ No newline at end of file