diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index f807aaeb9c..7402a9e8e6 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -85,6 +85,7 @@ option(onnxruntime_CROSS_COMPILING "Cross compiling onnx runtime" OFF)
 option(onnxruntime_USE_FULL_PROTOBUF "Link to libprotobuf instead of libprotobuf-lite when this option is ON" OFF)
 option(onnxruntime_DISABLE_CONTRIB_OPS "Disable contrib ops" OFF)
 option(onnxruntime_DISABLE_ML_OPS "Disable traditional ML ops" OFF)
+option(onnxruntime_DISABLE_RTTI "Disable RTTI" OFF)
 option(tensorflow_C_PACKAGE_PATH "Path to tensorflow C package installation dir")
 option(onnxruntime_ENABLE_LANGUAGE_INTEROP_OPS "Enable operator implemented in language other than cpp" OFF)
 option(onnxruntime_DEBUG_NODE_INPUTS_OUTPUTS "Dump node input shapes and output data to standard output when executing the model." OFF)
@@ -186,6 +187,16 @@ if(onnxruntime_USE_NNAPI_BUILTIN AND onnxruntime_USE_NNAPI_DNNLIBRARY)
   message(FATAL_ERROR "Please use only one of onnxruntime_USE_NNAPI_BUILTIN, onnxruntime_USE_NNAPI_DNNLIBRARY")
 endif()
 
+if(onnxruntime_DISABLE_RTTI)
+  add_compile_definitions(ORT_NO_RTTI GOOGLE_PROTOBUF_NO_RTTI)
+  if(MSVC)
+    # Disable RTTI and turn usage of dynamic_cast and typeid into errors
+    add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:/GR->" "$<$<COMPILE_LANGUAGE:CXX>:/we4541>")
+  else()
+    add_compile_options("$<$<COMPILE_LANGUAGE:CXX>:-fno-rtti>")
+  endif()
+endif()
+
 set(REPO_ROOT ${PROJECT_SOURCE_DIR}/..)
 set(ONNXRUNTIME_ROOT ${PROJECT_SOURCE_DIR}/../onnxruntime)
 set(ORTTRAINING_ROOT ${PROJECT_SOURCE_DIR}/../orttraining)
diff --git a/onnxruntime/core/framework/data_types.cc b/onnxruntime/core/framework/data_types.cc
index 1c9041d3fb..51d8078f10 100644
--- a/onnxruntime/core/framework/data_types.cc
+++ b/onnxruntime/core/framework/data_types.cc
@@ -697,7 +697,11 @@ const char* DataTypeImpl::ToString(MLDataType type) {
   if (type_proto != nullptr) {
     return ONNX_NAMESPACE::Utils::DataTypeUtils::ToType(*type_proto)->c_str();
   }
+#ifdef ORT_NO_RTTI
+  return "(unknown type)";
+#else
   return typeid(*type).name();
+#endif
 }
 
 const TensorTypeBase* DataTypeImpl::TensorTypeFromONNXEnum(int type) {
@@ -951,7 +955,11 @@ std::ostream& operator<<(std::ostream& out, const DataTypeImpl* data_type) {
   if (data_type == nullptr)
     return out << "(null)";
 
+#ifdef ORT_NO_RTTI
+  return out << "(unknown type)";
+#else
   return out << typeid(*data_type).name();
+#endif
 }
 
 namespace utils {
diff --git a/onnxruntime/core/providers/cpu/controlflow/if.cc b/onnxruntime/core/providers/cpu/controlflow/if.cc
index 75c0671f53..51b9a40d13 100644
--- a/onnxruntime/core/providers/cpu/controlflow/if.cc
+++ b/onnxruntime/core/providers/cpu/controlflow/if.cc
@@ -123,7 +123,7 @@ class IfImpl {
   std::vector<std::pair<AllocationType, OrtValue>> outputs_;
 };
 
-If::If(const OpKernelInfo& info) : OpKernel(info) {
+If::If(const OpKernelInfo& info) : IControlFlowKernel(info) {
   // make sure the required attributes are present even though we don't need it here.
   // The GraphProto attributes are loaded as a Graph instance by main Graph::Resolve,
   // and a SessionState instance for executing the subgraph is created by InferenceSession.
diff --git a/onnxruntime/core/providers/cpu/controlflow/if.h b/onnxruntime/core/providers/cpu/controlflow/if.h
index 788927b5ae..5832af3818 100644
--- a/onnxruntime/core/providers/cpu/controlflow/if.h
+++ b/onnxruntime/core/providers/cpu/controlflow/if.h
@@ -13,7 +13,7 @@
 namespace onnxruntime {
 class SessionState;
 
-class If : public OpKernel, public controlflow::IControlFlowKernel {
+class If : public controlflow::IControlFlowKernel {
  public:
   If(const OpKernelInfo& info);
 
diff --git a/onnxruntime/core/providers/cpu/controlflow/loop.cc b/onnxruntime/core/providers/cpu/controlflow/loop.cc
index 5f351003ef..70259394c7 100644
--- a/onnxruntime/core/providers/cpu/controlflow/loop.cc
+++ b/onnxruntime/core/providers/cpu/controlflow/loop.cc
@@ -216,7 +216,7 @@ static Status ConcatenateCpuOutput(std::vector<OrtValue>& per_iteration_output,
   return Status::OK();
 }
 
-Loop::Loop(const OpKernelInfo& info) : OpKernel(info) {
+Loop::Loop(const OpKernelInfo& info) : IControlFlowKernel(info) {
   // make sure the attribute was present even though we don't need it here.
   // The GraphProto is loaded as a Graph instance by main Graph::Resolve,
   // and a SessionState instance for executing the subgraph is created by InferenceSession.
diff --git a/onnxruntime/core/providers/cpu/controlflow/loop.h b/onnxruntime/core/providers/cpu/controlflow/loop.h
index dbdb2efbcd..958dd162aa 100644
--- a/onnxruntime/core/providers/cpu/controlflow/loop.h
+++ b/onnxruntime/core/providers/cpu/controlflow/loop.h
@@ -12,7 +12,7 @@
 
 namespace onnxruntime {
 
-class Loop : public OpKernel, public controlflow::IControlFlowKernel {
+class Loop : public controlflow::IControlFlowKernel {
  public:
   Loop(const OpKernelInfo& info);
 
diff --git a/onnxruntime/core/providers/cpu/controlflow/scan.h b/onnxruntime/core/providers/cpu/controlflow/scan.h
index d09908f445..01bcfcd564 100644
--- a/onnxruntime/core/providers/cpu/controlflow/scan.h
+++ b/onnxruntime/core/providers/cpu/controlflow/scan.h
@@ -42,7 +42,7 @@ struct DeviceHelpers {
 }  // namespace scan
 
 template <int OpSet>
-class Scan : public OpKernel, public controlflow::IControlFlowKernel {
+class Scan : public controlflow::IControlFlowKernel {
  public:
   Scan(const OpKernelInfo& info);
 
diff --git a/onnxruntime/core/providers/cpu/controlflow/scan_8.cc b/onnxruntime/core/providers/cpu/controlflow/scan_8.cc
index 9b0323c269..824914f17f 100644
--- a/onnxruntime/core/providers/cpu/controlflow/scan_8.cc
+++ b/onnxruntime/core/providers/cpu/controlflow/scan_8.cc
@@ -135,7 +135,7 @@ class Scan8Impl {
 };
 
 template <>
-Scan<8>::Scan(const OpKernelInfo& info) : OpKernel(info) {
+Scan<8>::Scan(const OpKernelInfo& info) : IControlFlowKernel(info) {
   // make sure the attribute was present even though we don't need it here.
   // The GraphProto is loaded as a Graph instance by main Graph::Resolve,
   // and a SessionState instance for executing the subgraph is created by InferenceSession.
diff --git a/onnxruntime/core/providers/cpu/controlflow/scan_9.cc b/onnxruntime/core/providers/cpu/controlflow/scan_9.cc
index def9141caa..c32648bf8e 100644
--- a/onnxruntime/core/providers/cpu/controlflow/scan_9.cc
+++ b/onnxruntime/core/providers/cpu/controlflow/scan_9.cc
@@ -159,7 +159,7 @@ class ScanImpl {
 };
 
 template <>
-Scan<9>::Scan(const OpKernelInfo& info) : OpKernel(info) {
+Scan<9>::Scan(const OpKernelInfo& info) : IControlFlowKernel(info) {
   // make sure the attribute was present even though we don't need it here.
   // The GraphProto is loaded as a Graph instance by main Graph::Resolve,
   // and a SessionState instance for executing the subgraph is created by InferenceSession.
diff --git a/onnxruntime/core/providers/cpu/controlflow/utils.h b/onnxruntime/core/providers/cpu/controlflow/utils.h
index 7c0732f56c..c0e0531ba6 100644
--- a/onnxruntime/core/providers/cpu/controlflow/utils.h
+++ b/onnxruntime/core/providers/cpu/controlflow/utils.h
@@ -9,6 +9,7 @@
 
 #include "core/common/common.h"
 #include "core/framework/feeds_fetches_manager.h"
+#include "core/framework/op_kernel.h"
 
 namespace onnxruntime {
 class Graph;
@@ -31,8 +32,9 @@ OrtValue MakeScalarMLValue(const AllocatorPtr& allocator, T value, bool is_1d) {
 namespace controlflow {
 
 /** Interface for control flow kernels    */
-class IControlFlowKernel {
+class IControlFlowKernel : public OpKernel {
  public:
+  explicit IControlFlowKernel(const OpKernelInfo& info) : OpKernel(info) {}
   /** Setup information that is re-used each time to execute the subgraph.
   @param session_state SessionState for graph containing the control flow node
   @param attribute_name Control flow node's attribute name that contained the subgraph 
diff --git a/onnxruntime/core/session/inference_session.cc b/onnxruntime/core/session/inference_session.cc
index 704cf7950c..1028b43ae4 100644
--- a/onnxruntime/core/session/inference_session.cc
+++ b/onnxruntime/core/session/inference_session.cc
@@ -775,7 +775,8 @@ common::Status InferenceSession::InitializeSubgraphSessions(Graph& graph, Sessio
       // setup all the info for handling the feeds and fetches used in subgraph execution
       auto* p_op_kernel = session_state.GetMutableKernel(node.Index());
       ORT_ENFORCE(p_op_kernel);
-      auto& control_flow_kernel = dynamic_cast<controlflow::IControlFlowKernel&>(*p_op_kernel);
+      // Downcast is safe, since only control flow nodes have subgraphs (node.GetAttributeNameToMutableSubgraphMap() is non-empty)
+      auto& control_flow_kernel = static_cast<controlflow::IControlFlowKernel&>(*p_op_kernel);
       ORT_RETURN_IF_ERROR_SESSIONID_(
           control_flow_kernel.SetupSubgraphExecutionInfo(session_state, name, *subgraph_session_state));
 
@@ -1033,10 +1034,14 @@ static common::Status CheckTypes(MLDataType actual, MLDataType expected) {
   if (actual == expected) {
     return Status::OK();
   }
+#ifdef ORT_NO_RTTI
+  return Status(common::ONNXRUNTIME, common::INVALID_ARGUMENT, "Unexpected input data type");
+#else
   auto actual_name = std::string(typeid(*actual).name());
   auto expected_name = std::string(typeid(*expected).name());
   return Status(common::ONNXRUNTIME, common::INVALID_ARGUMENT,
                 "Unexpected input data type. Actual: (" + actual_name + ") , expected: (" + expected_name + ")");
+#endif
 }
 
 common::Status InferenceSession::ValidateInputs(const std::vector<std::string>& feed_names,
diff --git a/onnxruntime/test/optimizer/graph_transform_utils_test.cc b/onnxruntime/test/optimizer/graph_transform_utils_test.cc
index fe47fa5f41..e4b15e1f10 100644
--- a/onnxruntime/test/optimizer/graph_transform_utils_test.cc
+++ b/onnxruntime/test/optimizer/graph_transform_utils_test.cc
@@ -49,7 +49,7 @@ TEST(GraphTransformerUtilsTests, TestGenerateGraphTransformers) {
   RuleBasedGraphTransformer* rule_transformer = nullptr;
   for (const auto& transformer : transformers) {
     if (transformer->Name() == l1_rule_transformer_name) {
-      rule_transformer = dynamic_cast<RuleBasedGraphTransformer*>(transformers[0].get());
+      rule_transformer = static_cast<RuleBasedGraphTransformer*>(transformers[0].get());
     }
   }
   ASSERT_TRUE(rule_transformer && rule_transformer->RulesCount() == 1);
diff --git a/tools/ci_build/build.py b/tools/ci_build/build.py
index 80996506dd..aa47126c12 100755
--- a/tools/ci_build/build.py
+++ b/tools/ci_build/build.py
@@ -298,6 +298,9 @@ def parse_arguments():
     parser.add_argument(
         "--disable_ml_ops", action='store_true',
         help="Disable traditional ML ops (reduces binary size)")
+    parser.add_argument(
+        "--disable_rtti", action='store_true',
+        help="Disable RTTI (reduces binary size)")
     parser.add_argument(
         "--skip_onnx_tests", action='store_true', help="Explicitly disable "
         "all onnx related tests. Note: Use --skip_tests to skip all tests.")
@@ -617,6 +620,8 @@ def generate_build_tree(cmake_path, source_dir, build_dir, cuda_home, cudnn_home
             "ON" if args.disable_contrib_ops else "OFF"),
         "-Donnxruntime_DISABLE_ML_OPS=" + (
             "ON" if args.disable_ml_ops else "OFF"),
+        "-Donnxruntime_DISABLE_RTTI=" + (
+            "ON" if args.disable_rtti else "OFF"),
         "-Donnxruntime_MSVC_STATIC_RUNTIME=" + (
             "ON" if args.enable_msvc_static_runtime else "OFF"),
         # enable pyop if it is nightly build
diff --git a/tools/ci_build/github/azure-pipelines/c-api-packaging-pipelines.yml b/tools/ci_build/github/azure-pipelines/c-api-packaging-pipelines.yml
index 9d113819d0..54a2c27453 100644
--- a/tools/ci_build/github/azure-pipelines/c-api-packaging-pipelines.yml
+++ b/tools/ci_build/github/azure-pipelines/c-api-packaging-pipelines.yml
@@ -141,7 +141,7 @@ jobs:
       displayName: 'Generate cmake config'
       inputs:
         scriptPath: '$(Build.SourcesDirectory)\tools\ci_build\build.py'
-        arguments: '--config RelWithDebInfo --enable_lto --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --update --cmake_generator "Visual Studio 16 2019" --build_shared_lib --enable_onnx_tests $(TelemetryOption) $(buildparameter)'
+        arguments: '--config RelWithDebInfo --enable_lto --disable_rtti --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --update --cmake_generator "Visual Studio 16 2019" --build_shared_lib --enable_onnx_tests $(TelemetryOption) $(buildparameter)'
         workingDirectory: '$(Build.BinariesDirectory)'
 
  
@@ -161,7 +161,7 @@ jobs:
       displayName: 'test'
       inputs:
         scriptPath: '$(Build.SourcesDirectory)\tools\ci_build\build.py'
-        arguments: '--config RelWithDebInfo --enable_lto --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --test --cmake_generator "Visual Studio 16 2019" --build_shared_lib --enable_onnx_tests $(TelemetryOption) $(buildparameter)'
+        arguments: '--config RelWithDebInfo --enable_lto --disable_rtti --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --test --cmake_generator "Visual Studio 16 2019" --build_shared_lib --enable_onnx_tests $(TelemetryOption) $(buildparameter)'
         workingDirectory: '$(Build.BinariesDirectory)'
 
     - template: templates/c-api-artifacts-package-and-publish-steps-windows.yml
@@ -225,7 +225,7 @@ jobs:
       displayName: 'Generate cmake config'
       inputs:
         scriptPath: '$(Build.SourcesDirectory)\tools\ci_build\build.py'
-        arguments: '--config RelWithDebInfo --enable_lto --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --update --cmake_generator "Visual Studio 16 2019" --build_shared_lib --enable_onnx_tests $(TelemetryOption) $(buildparameter)'
+        arguments: '--config RelWithDebInfo --enable_lto --disable_rtti --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --update --cmake_generator "Visual Studio 16 2019" --build_shared_lib --enable_onnx_tests $(TelemetryOption) $(buildparameter)'
         workingDirectory: '$(Build.BinariesDirectory)'
 
  
@@ -245,7 +245,7 @@ jobs:
       displayName: 'test'
       inputs:
         scriptPath: '$(Build.SourcesDirectory)\tools\ci_build\build.py'
-        arguments: '--config RelWithDebInfo --enable_lto --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --test --cmake_generator "Visual Studio 16 2019" --build_shared_lib --enable_onnx_tests $(TelemetryOption) $(buildparameter)'
+        arguments: '--config RelWithDebInfo --enable_lto --disable_rtti --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --test --cmake_generator "Visual Studio 16 2019" --build_shared_lib --enable_onnx_tests $(TelemetryOption) $(buildparameter)'
         workingDirectory: '$(Build.BinariesDirectory)'
 
     - template: templates/c-api-artifacts-package-and-publish-steps-windows.yml
diff --git a/tools/ci_build/github/azure-pipelines/java-api-packaging-pipelines-gpu.yml b/tools/ci_build/github/azure-pipelines/java-api-packaging-pipelines-gpu.yml
index 3ab11c0359..01e34182e2 100644
--- a/tools/ci_build/github/azure-pipelines/java-api-packaging-pipelines-gpu.yml
+++ b/tools/ci_build/github/azure-pipelines/java-api-packaging-pipelines-gpu.yml
@@ -77,7 +77,7 @@ jobs:
       displayName: 'Generate cmake config'
       inputs:
         scriptPath: '$(Build.SourcesDirectory)\tools\ci_build\build.py'
-        arguments: '--config RelWithDebInfo --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_java --build_shared_lib --update --cmake_generator "Visual Studio 16 2019" --enable_lto --build_shared_lib --enable_onnx_tests $(buildparameter)'
+        arguments: '--config RelWithDebInfo --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_java --build_shared_lib --update --cmake_generator "Visual Studio 16 2019" --enable_lto --disable_rtti --build_shared_lib --enable_onnx_tests $(buildparameter)'
         workingDirectory: '$(Build.BinariesDirectory)'
 
  
@@ -97,7 +97,7 @@ jobs:
       displayName: 'test'
       inputs:
         scriptPath: '$(Build.SourcesDirectory)\tools\ci_build\build.py'
-        arguments: '--config RelWithDebInfo --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --build_java --test --cmake_generator "Visual Studio 16 2019" --enable_lto --build_shared_lib --enable_onnx_tests $(buildparameter)'
+        arguments: '--config RelWithDebInfo --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --build_java --test --cmake_generator "Visual Studio 16 2019" --enable_lto --disable_rtti --build_shared_lib --enable_onnx_tests $(buildparameter)'
         workingDirectory: '$(Build.BinariesDirectory)'
 
     - template: templates/java-api-artifacts-package-and-publish-steps-windows.yml
diff --git a/tools/ci_build/github/azure-pipelines/java-api-packaging-pipelines.yml b/tools/ci_build/github/azure-pipelines/java-api-packaging-pipelines.yml
index 5a9cab40e2..0fda0e47b2 100644
--- a/tools/ci_build/github/azure-pipelines/java-api-packaging-pipelines.yml
+++ b/tools/ci_build/github/azure-pipelines/java-api-packaging-pipelines.yml
@@ -123,7 +123,7 @@ jobs:
       displayName: 'Generate cmake config'
       inputs:
         scriptPath: '$(Build.SourcesDirectory)\tools\ci_build\build.py'
-        arguments: '--config RelWithDebInfo --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_wcos --build_java  --update --cmake_generator "Visual Studio 16 2019" --enable_lto --build_shared_lib --enable_onnx_tests $(buildparameter)'
+        arguments: '--config RelWithDebInfo --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_wcos --build_java  --update --cmake_generator "Visual Studio 16 2019" --enable_lto --disable_rtti --build_shared_lib --enable_onnx_tests $(buildparameter)'
         workingDirectory: '$(Build.BinariesDirectory)'
 
  
@@ -144,7 +144,7 @@ jobs:
       displayName: 'test'
       inputs:
         scriptPath: '$(Build.SourcesDirectory)\tools\ci_build\build.py'
-        arguments: '--config RelWithDebInfo --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_java --build_shared_lib --enable_wcos --build_java --test --cmake_generator "Visual Studio 16 2019" --enable_lto --build_shared_lib --enable_onnx_tests $(buildparameter)'
+        arguments: '--config RelWithDebInfo --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_java --build_shared_lib --enable_wcos --build_java --test --cmake_generator "Visual Studio 16 2019" --enable_lto --disable_rtti --build_shared_lib --enable_onnx_tests $(buildparameter)'
         workingDirectory: '$(Build.BinariesDirectory)'
 
     - template: templates/java-api-artifacts-package-and-publish-steps-windows.yml
diff --git a/tools/ci_build/github/azure-pipelines/templates/py-packaging-stage.yml b/tools/ci_build/github/azure-pipelines/templates/py-packaging-stage.yml
index 5240e90e11..39b1562858 100644
--- a/tools/ci_build/github/azure-pipelines/templates/py-packaging-stage.yml
+++ b/tools/ci_build/github/azure-pipelines/templates/py-packaging-stage.yml
@@ -275,6 +275,7 @@ stages:
           arguments: >
             --config RelWithDebInfo
             --enable_lto
+            --disable_rtti
             --build_dir $(Build.BinariesDirectory)
             --skip_submodule_sync
             --cmake_generator "Visual Studio 16 2019"
diff --git a/tools/ci_build/github/azure-pipelines/templates/windowsai-nuget-build.yml b/tools/ci_build/github/azure-pipelines/templates/windowsai-nuget-build.yml
index c411bcf403..5358ac8ee6 100644
--- a/tools/ci_build/github/azure-pipelines/templates/windowsai-nuget-build.yml
+++ b/tools/ci_build/github/azure-pipelines/templates/windowsai-nuget-build.yml
@@ -38,21 +38,21 @@ steps:
     inputs:
       scriptPath: '$(Build.SourcesDirectory)\tools\ci_build\build.py'
       ${{ if and(eq(parameters.BuildArch, 'x64'), eq(parameters.BuildForStore, 'false')) }}:
-        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_dml --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto'
+        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_dml --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --disable_rtti'
       ${{ if and(eq(parameters.BuildArch, 'x64'), eq(parameters.BuildForStore, 'true')) }}:
-        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_dml --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --enable_windows_store'
+        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_dml --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --disable_rtti --enable_windows_store'
       ${{ if and(eq(parameters.BuildArch, 'x86'), eq(parameters.BuildForStore, 'false')) }}:
-        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_dml --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --x86'
+        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_dml --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --disable_rtti --x86'
       ${{ if and(eq(parameters.BuildArch, 'x86'), eq(parameters.BuildForStore, 'true')) }}:
-        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_dml --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --x86 --enable_windows_store'
+        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_dml --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --disable_rtti --x86 --enable_windows_store'
       ${{ if and(eq(parameters.BuildArch, 'arm64'), eq(parameters.BuildForStore, 'false')) }}:
-        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --arm64'
+        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --disable_rtti --arm64'
       ${{ if and(eq(parameters.BuildArch, 'arm64'), eq(parameters.BuildForStore, 'true')) }}:
-        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --arm64 --enable_windows_store'
+        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --disable_rtti --arm64 --enable_windows_store'
       ${{ if and(eq(parameters.BuildArch, 'arm'), eq(parameters.BuildForStore, 'false')) }}:
-        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --arm'
+        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --disable_rtti --arm'
       ${{ if and(eq(parameters.BuildArch, 'arm'), eq(parameters.BuildForStore, 'true')) }}:
-        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --arm --enable_windows_store'
+        arguments: '--build_dir $(Build.BinariesDirectory) --skip_submodule_sync --build_shared_lib --enable_onnx_tests --enable_wcos $(TelemetryOption) --use_winml --cmake_generator "Visual Studio 16 2019" --update --config RelWithDebInfo --enable_lto --disable_rtti --arm --enable_windows_store'
       workingDirectory: '$(Build.BinariesDirectory)'
 
   - ${{ if notIn(parameters['sln_platform'], 'Win32', 'x64') }}:
@@ -84,7 +84,7 @@ steps:
         python.exe -m pip install -q --upgrade %WHEEL_FILENAME%
         set PATH=%PATH%;$(Build.BinariesDirectory)\RelWithDebInfo\RelWithDebInfo
         @echo %PATH%
-        python $(Build.SourcesDirectory)\tools\ci_build\build.py --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --test --config RelWithDebInfo --enable_lto %BUILD_ARCH_SWITCH%
+        python $(Build.SourcesDirectory)\tools\ci_build\build.py --build_dir $(Build.BinariesDirectory) --skip_submodule_sync --test --config RelWithDebInfo --enable_lto --disable_rtti %BUILD_ARCH_SWITCH%
       workingDirectory: '$(Build.BinariesDirectory)\RelWithDebInfo\RelWithDebInfo'
       displayName: 'Run Unit Tests'
       env: