diff --git a/tools/ci_build/gen_def.py b/tools/ci_build/gen_def.py
index f029fce3db..60fd5ee4ea 100755
--- a/tools/ci_build/gen_def.py
+++ b/tools/ci_build/gen_def.py
@@ -64,7 +64,10 @@ with open(args.output_source, "w") as file:
         # WinML adapter should not be exported in platforms other than Windows.
         # Exporting OrtGetWinMLAdapter is exported without issues using .def file when compiling for Windows
         # so it isn't necessary to include it in generated_source.c
-        if c not in ("winml", "cuda", "migraphx", "snpe"):
+
+        # external symbols are removed, xnnpack ep will be created via the standard ORT API.
+        # https://github.com/microsoft/onnxruntime/pull/11798
+        if c not in ("winml", "cuda", "migraphx", "snpe", "xnnpack"):
             file.write("#include <core/providers/%s/%s_provider_factory.h>\n" % (c, c))
     file.write("void* GetFunctionEntryByName(const char* name){\n")
     for symbol in symbols: