diff --git a/CMakeLists.txt b/CMakeLists.txt
index f75f5b6e7337..8056a1d780f8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -267,7 +267,6 @@ assign_source_group("Include" ${GROUP_INCLUDE})
 
 # Source file lists
 tvm_file_glob(GLOB_RECURSE COMPILER_SRCS
-    src/node/*.cc
     src/ir/*.cc
     src/arith/*.cc
     src/te/*.cc
diff --git a/include/tvm/ir/analysis.h b/include/tvm/ir/analysis.h
index 5879f34633a2..43db06f89e65 100644
--- a/include/tvm/ir/analysis.h
+++ b/include/tvm/ir/analysis.h
@@ -30,7 +30,7 @@
 #include <tvm/ffi/container/array.h>
 #include <tvm/ir/expr.h>
 #include <tvm/ir/module.h>
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 
 namespace tvm {
 namespace ir {
diff --git a/include/tvm/node/attr_registry_map.h b/include/tvm/ir/attr_registry_map.h
similarity index 96%
rename from include/tvm/node/attr_registry_map.h
rename to include/tvm/ir/attr_registry_map.h
index 9b689304ca69..fd4c53bc4fcd 100644
--- a/include/tvm/node/attr_registry_map.h
+++ b/include/tvm/ir/attr_registry_map.h
@@ -17,11 +17,11 @@
  * under the License.
  */
 /*!
- * \file tvm/node/attr_registry_map.h
+ * \file tvm/ir/attr_registry_map.h
  * \brief Attribute map used in registry.
  */
-#ifndef TVM_NODE_ATTR_REGISTRY_MAP_H_
-#define TVM_NODE_ATTR_REGISTRY_MAP_H_
+#ifndef TVM_IR_ATTR_REGISTRY_MAP_H_
+#define TVM_IR_ATTR_REGISTRY_MAP_H_
 
 #include <tvm/ffi/string.h>
 
@@ -141,4 +141,4 @@ class AttrRegistryMap {
 };
 
 }  // namespace tvm
-#endif  // TVM_NODE_ATTR_REGISTRY_MAP_H_
+#endif  // TVM_IR_ATTR_REGISTRY_MAP_H_
diff --git a/include/tvm/node/cast.h b/include/tvm/ir/cast.h
similarity index 97%
rename from include/tvm/node/cast.h
rename to include/tvm/ir/cast.h
index 32d4be721656..dedd5f05b849 100644
--- a/include/tvm/node/cast.h
+++ b/include/tvm/ir/cast.h
@@ -17,11 +17,11 @@
  * under the License.
  */
 /*!
- * \file tvm/node/cast.h
+ * \file tvm/ir/cast.h
  * \brief Value casting helpers
  */
-#ifndef TVM_NODE_CAST_H_
-#define TVM_NODE_CAST_H_
+#ifndef TVM_IR_CAST_H_
+#define TVM_IR_CAST_H_
 
 #include <tvm/ffi/any.h>
 #include <tvm/ffi/cast.h>
@@ -115,4 +115,4 @@ inline OptionalType Downcast(const std::optional<ffi::Any>& ref) {
   }
 }
 }  // namespace tvm
-#endif  // TVM_NODE_CAST_H_
+#endif  // TVM_IR_CAST_H_
diff --git a/include/tvm/ir/expr.h b/include/tvm/ir/expr.h
index 968bef0727c4..b7c1b0140cb3 100644
--- a/include/tvm/ir/expr.h
+++ b/include/tvm/ir/expr.h
@@ -26,11 +26,11 @@
 
 #include <tvm/ffi/reflection/registry.h>
 #include <tvm/ffi/string.h>
+#include <tvm/ir/cast.h>
+#include <tvm/ir/repr.h>
+#include <tvm/ir/script_printer.h>
 #include <tvm/ir/source_map.h>
 #include <tvm/ir/type.h>
-#include <tvm/node/cast.h>
-#include <tvm/node/repr.h>
-#include <tvm/node/script_printer.h>
 #include <tvm/runtime/object.h>
 
 #include <algorithm>
diff --git a/include/tvm/ir/module.h b/include/tvm/ir/module.h
index 543c895ce519..2d53efbcd535 100644
--- a/include/tvm/ir/module.h
+++ b/include/tvm/ir/module.h
@@ -31,9 +31,9 @@
 #include <tvm/ir/expr.h>
 #include <tvm/ir/function.h>
 #include <tvm/ir/global_info.h>
+#include <tvm/ir/script_printer.h>
 #include <tvm/ir/source_map.h>
 #include <tvm/ir/type.h>
-#include <tvm/node/script_printer.h>
 
 #include <string>
 #include <unordered_map>
diff --git a/include/tvm/node/functor.h b/include/tvm/ir/node_functor.h
similarity index 98%
rename from include/tvm/node/functor.h
rename to include/tvm/ir/node_functor.h
index bb507beb3c0b..b88a3b2fceb2 100644
--- a/include/tvm/node/functor.h
+++ b/include/tvm/ir/node_functor.h
@@ -17,11 +17,11 @@
  * under the License.
  */
 /*!
- * \file tvm/node/functor.h
+ * \file tvm/ir/node_functor.h
  * \brief Defines the Functor data structures.
  */
-#ifndef TVM_NODE_FUNCTOR_H_
-#define TVM_NODE_FUNCTOR_H_
+#ifndef TVM_IR_NODE_FUNCTOR_H_
+#define TVM_IR_NODE_FUNCTOR_H_
 
 #include <tvm/runtime/logging.h>
 #include <tvm/runtime/object.h>
@@ -194,4 +194,4 @@ class NodeFunctor<R(const ObjectRef& n, Args...)> {
 #define TVM_STATIC_IR_FUNCTOR(ClsName, FField) \
   TVM_STR_CONCAT(TVM_REG_FUNC_VAR_DEF(ClsName), __COUNTER__) = ClsName::FField()
 }  // namespace tvm
-#endif  // TVM_NODE_FUNCTOR_H_
+#endif  // TVM_IR_NODE_FUNCTOR_H_
diff --git a/include/tvm/ir/op.h b/include/tvm/ir/op.h
index 062ac3116fe4..60eb6febf1e0 100644
--- a/include/tvm/ir/op.h
+++ b/include/tvm/ir/op.h
@@ -27,11 +27,11 @@
 
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/registry.h>
+#include <tvm/ir/attr_registry_map.h>
 #include <tvm/ir/attrs.h>
 #include <tvm/ir/env_func.h>
 #include <tvm/ir/expr.h>
 #include <tvm/ir/type.h>
-#include <tvm/node/attr_registry_map.h>
 #include <tvm/runtime/logging.h>
 
 #include <string>
diff --git a/include/tvm/node/repr.h b/include/tvm/ir/repr.h
similarity index 60%
rename from include/tvm/node/repr.h
rename to include/tvm/ir/repr.h
index 48276df1ecd7..126a209b2af2 100644
--- a/include/tvm/node/repr.h
+++ b/include/tvm/ir/repr.h
@@ -17,18 +17,17 @@
  * under the License.
  */
 /*!
- * \file tvm/node/repr.h
+ * \file tvm/ir/repr.h
  * \brief ostream operator<< for ObjectRef, Any, and Variant, delegating to
  *        ffi::ReprPrint.  Also re-exports the Dump() debug helpers.
  *
  * Include this header wherever you need `os << some_objectref` and you are
  * no longer pulling in the legacy repr_printer.h.
  */
-#ifndef TVM_NODE_REPR_H_
-#define TVM_NODE_REPR_H_
+#ifndef TVM_IR_REPR_H_
+#define TVM_IR_REPR_H_
 
 #include <tvm/ffi/extra/dataclass.h>
-#include <tvm/ffi/reflection/access_path.h>
 #include <tvm/runtime/object.h>
 
 #include <iostream>
@@ -68,51 +67,6 @@ inline std::ostream& operator<<(std::ostream& os, const ffi::Variant<V...>& n) {
   return os << ffi::ReprPrint(Any(n));
 }
 
-namespace reflection {
-
-inline std::ostream& operator<<(std::ostream& os, const AccessStep& step) {
-  namespace refl = ffi::reflection;
-  switch (step->kind) {
-    case refl::AccessKind::kAttr: {
-      os << '.' << step->key.cast<ffi::String>();
-      return os;
-    }
-    case refl::AccessKind::kArrayItem: {
-      os << "[" << step->key.cast<int64_t>() << "]";
-      return os;
-    }
-    case refl::AccessKind::kMapItem: {
-      os << "[" << step->key << "]";
-      return os;
-    }
-    case refl::AccessKind::kAttrMissing: {
-      os << ".<missing attr " << step->key.cast<ffi::String>() << "`>";
-      return os;
-    }
-    case refl::AccessKind::kArrayItemMissing: {
-      os << "[<missing item at " << step->key.cast<int64_t>() << ">]";
-      return os;
-    }
-    case refl::AccessKind::kMapItemMissing: {
-      os << "[<missing item at " << step->key << ">]";
-      return os;
-    }
-    default: {
-      TVM_FFI_THROW(InternalError) << "Unknown access step kind: " << static_cast<int>(step->kind);
-    }
-  }
-  return os;
-}
-
-inline std::ostream& operator<<(std::ostream& os, const AccessPath& path) {
-  ffi::Array<AccessStep> steps = path->ToSteps();
-  os << "<root>";
-  for (const auto& step : steps) {
-    os << step;
-  }
-  return os;
-}
-}  // namespace reflection
 }  // namespace ffi
 }  // namespace tvm
-#endif  // TVM_NODE_REPR_H_
+#endif  // TVM_IR_REPR_H_
diff --git a/include/tvm/node/script_printer.h b/include/tvm/ir/script_printer.h
similarity index 97%
rename from include/tvm/node/script_printer.h
rename to include/tvm/ir/script_printer.h
index 5eeab2010765..9c0b7c2cc2d8 100644
--- a/include/tvm/node/script_printer.h
+++ b/include/tvm/ir/script_printer.h
@@ -17,11 +17,11 @@
  * under the License.
  */
 /*!
- * \file tvm/node/repr_printer.h
+ * \file tvm/ir/script_printer.h
  * \brief Printer class to print repr string of each AST/IR nodes.
  */
-#ifndef TVM_NODE_SCRIPT_PRINTER_H_
-#define TVM_NODE_SCRIPT_PRINTER_H_
+#ifndef TVM_IR_SCRIPT_PRINTER_H_
+#define TVM_IR_SCRIPT_PRINTER_H_
 
 #include <tvm/ffi/any.h>
 #include <tvm/ffi/container/array.h>
@@ -29,7 +29,7 @@
 #include <tvm/ffi/reflection/access_path.h>
 #include <tvm/ffi/reflection/registry.h>
 #include <tvm/ffi/string.h>
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 #include <tvm/runtime/data_type.h>
 
 #include <iostream>
@@ -178,4 +178,4 @@ class TVMScriptPrinter {
   }
 
 }  // namespace tvm
-#endif  // TVM_NODE_SCRIPT_PRINTER_H_
+#endif  // TVM_IR_SCRIPT_PRINTER_H_
diff --git a/include/tvm/ir/type_functor.h b/include/tvm/ir/type_functor.h
index 7d5c9ed5197f..41f5c223dc3d 100644
--- a/include/tvm/ir/type_functor.h
+++ b/include/tvm/ir/type_functor.h
@@ -24,8 +24,8 @@
 #ifndef TVM_IR_TYPE_FUNCTOR_H_
 #define TVM_IR_TYPE_FUNCTOR_H_
 
+#include <tvm/ir/node_functor.h>
 #include <tvm/ir/type.h>
-#include <tvm/node/functor.h>
 
 #include <string>
 #include <utility>
diff --git a/include/tvm/node/repr_printer.h b/include/tvm/node/repr_printer.h
deleted file mode 100644
index 71d19f524549..000000000000
--- a/include/tvm/node/repr_printer.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-/*!
- * \file tvm/node/repr_printer.h
- * \brief DEPRECATED: The legacy ReprPrinter has been replaced by
- *        ffi::ReprPrint.  This header is kept as an empty shim;
- *        include <tvm/node/repr.h> instead.
- */
-#ifndef TVM_NODE_REPR_PRINTER_H_
-#define TVM_NODE_REPR_PRINTER_H_
-
-#include <tvm/node/repr.h>
-
-#endif  // TVM_NODE_REPR_PRINTER_H_
diff --git a/include/tvm/node/structural_equal.h b/include/tvm/node/structural_equal.h
deleted file mode 100644
index cbf7652b8093..000000000000
--- a/include/tvm/node/structural_equal.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-/*!
- * \file tvm/node/structural_equal.h
- * \brief Forwarding header. Use tvm/ffi/extra/structural_equal.h instead.
- */
-#ifndef TVM_NODE_STRUCTURAL_EQUAL_H_
-#define TVM_NODE_STRUCTURAL_EQUAL_H_
-
-// This header has moved to tvm/ffi/extra/structural_equal.h
-#include <tvm/ffi/extra/structural_equal.h>
-
-#endif  // TVM_NODE_STRUCTURAL_EQUAL_H_
diff --git a/include/tvm/node/structural_hash.h b/include/tvm/node/structural_hash.h
deleted file mode 100644
index 8f90820b150d..000000000000
--- a/include/tvm/node/structural_hash.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-/*!
- * \file tvm/node/structural_hash.h
- * \brief Forwarding header. Use tvm/ffi/extra/structural_hash.h instead.
- */
-#ifndef TVM_NODE_STRUCTURAL_HASH_H_
-#define TVM_NODE_STRUCTURAL_HASH_H_
-
-// This header has moved to tvm/ffi/extra/structural_hash.h
-#include <tvm/ffi/extra/structural_hash.h>
-
-#endif  // TVM_NODE_STRUCTURAL_HASH_H_
diff --git a/include/tvm/relax/exec_builder.h b/include/tvm/relax/exec_builder.h
index f85b5af4602a..c4f680d17638 100644
--- a/include/tvm/relax/exec_builder.h
+++ b/include/tvm/relax/exec_builder.h
@@ -28,7 +28,7 @@
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/registry.h>
 #include <tvm/ir/expr.h>
-#include <tvm/node/repr.h>
+#include <tvm/ir/repr.h>
 #include <tvm/runtime/object.h>
 #include <tvm/runtime/vm/bytecode.h>
 #include <tvm/runtime/vm/executable.h>
diff --git a/include/tvm/relax/expr_functor.h b/include/tvm/relax/expr_functor.h
index e633603ff364..1993d5248d06 100644
--- a/include/tvm/relax/expr_functor.h
+++ b/include/tvm/relax/expr_functor.h
@@ -25,7 +25,7 @@
 #ifndef TVM_RELAX_EXPR_FUNCTOR_H_
 #define TVM_RELAX_EXPR_FUNCTOR_H_
 
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 #include <tvm/relax/block_builder.h>
 #include <tvm/relax/expr.h>
 #include <tvm/relax/struct_info.h>
diff --git a/include/tvm/relax/struct_info.h b/include/tvm/relax/struct_info.h
index 0d9658d8cffc..512c70453bcf 100644
--- a/include/tvm/relax/struct_info.h
+++ b/include/tvm/relax/struct_info.h
@@ -20,9 +20,9 @@
 #define TVM_RELAX_STRUCT_INFO_H_
 
 #include <tvm/ffi/reflection/registry.h>
+#include <tvm/ir/cast.h>
 #include <tvm/ir/env_func.h>
 #include <tvm/ir/source_map.h>
-#include <tvm/node/cast.h>
 #include <tvm/relax/block_builder.h>
 #include <tvm/relax/expr.h>
 #include <tvm/relax/type.h>
diff --git a/include/tvm/relax/struct_info_functor.h b/include/tvm/relax/struct_info_functor.h
index ae47e7dd942c..80719383fc1d 100644
--- a/include/tvm/relax/struct_info_functor.h
+++ b/include/tvm/relax/struct_info_functor.h
@@ -24,7 +24,7 @@
 #ifndef TVM_RELAX_STRUCT_INFO_FUNCTOR_H_
 #define TVM_RELAX_STRUCT_INFO_FUNCTOR_H_
 
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 #include <tvm/relax/distributed/struct_info.h>
 #include <tvm/relax/struct_info.h>
 
diff --git a/include/tvm/script/ir_builder/base.h b/include/tvm/script/ir_builder/base.h
index 86888dea1c8b..50901b4b637f 100644
--- a/include/tvm/script/ir_builder/base.h
+++ b/include/tvm/script/ir_builder/base.h
@@ -20,9 +20,9 @@
 #define TVM_SCRIPT_IR_BUILDER_BASE_H_
 
 #include <tvm/ffi/reflection/registry.h>
+#include <tvm/ir/cast.h>
 #include <tvm/ir/expr.h>
 #include <tvm/ir/function.h>
-#include <tvm/node/cast.h>
 
 #include <vector>
 
diff --git a/include/tvm/script/printer/ir_docsifier.h b/include/tvm/script/printer/ir_docsifier.h
index bd8c37780c1c..45b8fbea38f8 100644
--- a/include/tvm/script/printer/ir_docsifier.h
+++ b/include/tvm/script/printer/ir_docsifier.h
@@ -21,8 +21,8 @@
 
 #include <tvm/ffi/reflection/access_path.h>
 #include <tvm/ffi/reflection/registry.h>
+#include <tvm/ir/cast.h>
 #include <tvm/ir/module.h>
-#include <tvm/node/cast.h>
 #include <tvm/script/printer/doc.h>
 #include <tvm/script/printer/ir_docsifier_functor.h>
 
diff --git a/include/tvm/target/tag.h b/include/tvm/target/tag.h
index 4557d2074076..f150edf4f82d 100644
--- a/include/tvm/target/tag.h
+++ b/include/tvm/target/tag.h
@@ -25,7 +25,7 @@
 #define TVM_TARGET_TAG_H_
 
 #include <tvm/ffi/reflection/registry.h>
-#include <tvm/node/attr_registry_map.h>
+#include <tvm/ir/attr_registry_map.h>
 #include <tvm/target/target.h>
 
 #include <utility>
diff --git a/include/tvm/target/target.h b/include/tvm/target/target.h
index b71a4952b530..a9f6f6e848f9 100644
--- a/include/tvm/target/target.h
+++ b/include/tvm/target/target.h
@@ -25,9 +25,9 @@
 #define TVM_TARGET_TARGET_H_
 
 #include <tvm/ffi/reflection/registry.h>
+#include <tvm/ir/cast.h>
 #include <tvm/ir/expr.h>
 #include <tvm/ir/function.h>
-#include <tvm/node/cast.h>
 #include <tvm/runtime/device_api.h>
 #include <tvm/support/with.h>
 #include <tvm/target/target_kind.h>
diff --git a/include/tvm/target/target_kind.h b/include/tvm/target/target_kind.h
index 48c670ef2c52..53441a380e54 100644
--- a/include/tvm/target/target_kind.h
+++ b/include/tvm/target/target_kind.h
@@ -26,8 +26,8 @@
 
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/registry.h>
+#include <tvm/ir/attr_registry_map.h>
 #include <tvm/ir/config_schema.h>
-#include <tvm/node/attr_registry_map.h>
 #include <tvm/runtime/object.h>
 
 #include <memory>
diff --git a/include/tvm/tirx/buffer.h b/include/tvm/tirx/buffer.h
index 8f5c916a5c11..fe9014b37647 100644
--- a/include/tvm/tirx/buffer.h
+++ b/include/tvm/tirx/buffer.h
@@ -28,7 +28,7 @@
 #include <tvm/ffi/reflection/registry.h>
 #include <tvm/ffi/string.h>
 #include <tvm/ir/expr.h>
-#include <tvm/node/script_printer.h>
+#include <tvm/ir/script_printer.h>
 #include <tvm/tirx/var.h>
 
 #include <string>
diff --git a/include/tvm/tirx/expr.h b/include/tvm/tirx/expr.h
index ebd318d82288..9af78271b5e4 100644
--- a/include/tvm/tirx/expr.h
+++ b/include/tvm/tirx/expr.h
@@ -29,7 +29,7 @@
 #include <tvm/ffi/container/map.h>
 #include <tvm/ffi/string.h>
 #include <tvm/ir/expr.h>
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 #include <tvm/runtime/base.h>
 #include <tvm/runtime/data_type.h>
 #include <tvm/tirx/buffer.h>
diff --git a/include/tvm/tirx/expr_functor.h b/include/tvm/tirx/expr_functor.h
index 78e80769323f..79c09473a86f 100644
--- a/include/tvm/tirx/expr_functor.h
+++ b/include/tvm/tirx/expr_functor.h
@@ -25,7 +25,7 @@
 #ifndef TVM_TIR_EXPR_FUNCTOR_H_
 #define TVM_TIR_EXPR_FUNCTOR_H_
 
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 #include <tvm/tirx/expr.h>
 
 #include <utility>
diff --git a/include/tvm/tirx/function.h b/include/tvm/tirx/function.h
index 0c98deb8b309..7c9015758cc6 100644
--- a/include/tvm/tirx/function.h
+++ b/include/tvm/tirx/function.h
@@ -27,7 +27,7 @@
 #include <tvm/ffi/container/map.h>
 #include <tvm/ffi/container/variant.h>
 #include <tvm/ir/function.h>
-#include <tvm/node/script_printer.h>
+#include <tvm/ir/script_printer.h>
 #include <tvm/runtime/tensor.h>
 #include <tvm/tirx/buffer.h>
 #include <tvm/tirx/expr.h>
diff --git a/include/tvm/tirx/stmt.h b/include/tvm/tirx/stmt.h
index c191c4e6bf1f..44de692defee 100644
--- a/include/tvm/tirx/stmt.h
+++ b/include/tvm/tirx/stmt.h
@@ -25,7 +25,7 @@
 #define TVM_TIR_STMT_H_
 
 #include <tvm/ffi/reflection/registry.h>
-#include <tvm/node/script_printer.h>
+#include <tvm/ir/script_printer.h>
 #include <tvm/tirx/expr.h>
 
 #include <optional>
diff --git a/include/tvm/tirx/stmt_functor.h b/include/tvm/tirx/stmt_functor.h
index a756f0319800..69991ab6cf31 100644
--- a/include/tvm/tirx/stmt_functor.h
+++ b/include/tvm/tirx/stmt_functor.h
@@ -26,7 +26,7 @@
 #ifndef TVM_TIR_STMT_FUNCTOR_H_
 #define TVM_TIR_STMT_FUNCTOR_H_
 
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 #include <tvm/tirx/expr.h>
 #include <tvm/tirx/expr_functor.h>
 #include <tvm/tirx/function.h>
diff --git a/src/ir/attr_functor.h b/src/ir/attr_functor.h
index c2a26cb13678..e399bfc4411d 100644
--- a/src/ir/attr_functor.h
+++ b/src/ir/attr_functor.h
@@ -30,7 +30,7 @@
 #ifndef TVM_IR_ATTR_FUNCTOR_H_
 #define TVM_IR_ATTR_FUNCTOR_H_
 
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 #include <tvm/tirx/expr.h>
 
 #include <utility>
diff --git a/src/ir/attr_registry.h b/src/ir/attr_registry.h
index 1d1fdb2742d5..de80e5054e58 100644
--- a/src/ir/attr_registry.h
+++ b/src/ir/attr_registry.h
@@ -25,7 +25,7 @@
 #define TVM_IR_ATTR_REGISTRY_H_
 
 #include <tvm/ffi/function.h>
-#include <tvm/node/attr_registry_map.h>
+#include <tvm/ir/attr_registry_map.h>
 
 #include <memory>
 #include <unordered_map>
diff --git a/src/ir/instrument.cc b/src/ir/instrument.cc
index ced20ba1b1e1..32dc19f7cb36 100644
--- a/src/ir/instrument.cc
+++ b/src/ir/instrument.cc
@@ -24,8 +24,8 @@
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/registry.h>
 #include <tvm/ir/instrument.h>
+#include <tvm/ir/repr.h>
 #include <tvm/ir/transform.h>
-#include <tvm/node/repr.h>
 
 #include <chrono>
 #include <stack>
diff --git a/src/node/repr.cc b/src/ir/repr.cc
similarity index 98%
rename from src/node/repr.cc
rename to src/ir/repr.cc
index a194708c6d5c..6b87bfd9e322 100644
--- a/src/node/repr.cc
+++ b/src/ir/repr.cc
@@ -18,7 +18,7 @@
  */
 
 /*!
- * \file node/repr.cc
+ * \file ir/repr.cc
  * \brief Implements Dump helpers and FFI registration for ffi-repr-based printing.
  *
  * The legacy ReprPrinter has been replaced by ffi::ReprPrint.  This file:
@@ -30,7 +30,7 @@
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/access_path.h>
 #include <tvm/ffi/reflection/registry.h>
-#include <tvm/node/repr.h>
+#include <tvm/ir/repr.h>
 #include <tvm/runtime/device_api.h>
 
 #include <sstream>
diff --git a/src/node/script_printer.cc b/src/ir/script_printer.cc
similarity index 98%
rename from src/node/script_printer.cc
rename to src/ir/script_printer.cc
index 2edf7860b590..1f7bea52e0c5 100644
--- a/src/node/script_printer.cc
+++ b/src/ir/script_printer.cc
@@ -19,10 +19,10 @@
 #include <tvm/ffi/extra/dataclass.h>
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/registry.h>
+#include <tvm/ir/cast.h>
 #include <tvm/ir/expr.h>
-#include <tvm/node/cast.h>
-#include <tvm/node/repr.h>
-#include <tvm/node/script_printer.h>
+#include <tvm/ir/repr.h>
+#include <tvm/ir/script_printer.h>
 
 #include <algorithm>
 
diff --git a/src/ir/structural_equal.cc b/src/ir/structural_equal.cc
index b8f80f4d57da..8c2cc754f082 100644
--- a/src/ir/structural_equal.cc
+++ b/src/ir/structural_equal.cc
@@ -24,9 +24,9 @@
 #include <tvm/ffi/reflection/access_path.h>
 #include <tvm/ffi/reflection/registry.h>
 #include <tvm/ir/module.h>
-#include <tvm/node/functor.h>
-#include <tvm/node/repr.h>
-#include <tvm/node/script_printer.h>
+#include <tvm/ir/node_functor.h>
+#include <tvm/ir/repr.h>
+#include <tvm/ir/script_printer.h>
 
 #include <optional>
 #include <unordered_map>
diff --git a/src/ir/structural_hash.cc b/src/ir/structural_hash.cc
index 01ea19e4b7a1..a622eb3d04cc 100644
--- a/src/ir/structural_hash.cc
+++ b/src/ir/structural_hash.cc
@@ -25,7 +25,7 @@
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/access_path.h>
 #include <tvm/ffi/reflection/registry.h>
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 #include <tvm/runtime/tensor.h>
 #include <tvm/support/io.h>
 #include <tvm/target/codegen.h>
diff --git a/src/ir/transform.cc b/src/ir/transform.cc
index 8c56f737d409..c301037732d2 100644
--- a/src/ir/transform.cc
+++ b/src/ir/transform.cc
@@ -25,8 +25,8 @@
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/registry.h>
 #include <tvm/ffi/rvalue_ref.h>
+#include <tvm/ir/repr.h>
 #include <tvm/ir/transform.h>
-#include <tvm/node/repr.h>
 #include <tvm/relax/expr.h>
 #include <tvm/runtime/device_api.h>
 
diff --git a/src/node/container_printing.cc b/src/node/container_printing.cc
deleted file mode 100644
index 3a6700c78861..000000000000
--- a/src/node/container_printing.cc
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-/*!
- * \file node/container_printing.cc
- * \brief DEPRECATED — tvm-ffi provides built-in repr for Array/Map/Shape.
- *        The legacy ReprPrinter dispatches for containers are no longer needed.
- */
-// This file is intentionally empty. Container repr is handled by
-// ffi::ReprPrint (tvm-ffi/src/ffi/extra/dataclass.cc).
diff --git a/src/node/repr_printer.cc b/src/node/repr_printer.cc
deleted file mode 100644
index de01909c8dac..000000000000
--- a/src/node/repr_printer.cc
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-/*!
- * \file node/repr_printer.cc
- * \brief DEPRECATED — implementation moved to src/node/repr.cc.
- */
-// This file is intentionally empty. The legacy ReprPrinter has been removed.
-// See src/node/repr.cc for the replacement implementation.
diff --git a/src/relax/ir/dataflow_pattern.cc b/src/relax/ir/dataflow_pattern.cc
index ed400b82bfd0..57fdf66a39e7 100644
--- a/src/relax/ir/dataflow_pattern.cc
+++ b/src/relax/ir/dataflow_pattern.cc
@@ -24,7 +24,7 @@
 
 #include <tvm/ffi/extra/dataclass.h>
 #include <tvm/ffi/reflection/registry.h>
-#include <tvm/node/repr.h>
+#include <tvm/ir/repr.h>
 #include <tvm/relax/dataflow_pattern.h>
 #include <tvm/relax/dataflow_pattern_functor.h>
 
diff --git a/src/relax/ir/transform.cc b/src/relax/ir/transform.cc
index 49b32307f7a7..7be08203a875 100644
--- a/src/relax/ir/transform.cc
+++ b/src/relax/ir/transform.cc
@@ -24,7 +24,7 @@
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/registry.h>
 #include <tvm/ffi/rvalue_ref.h>
-#include <tvm/node/repr.h>
+#include <tvm/ir/repr.h>
 #include <tvm/relax/analysis.h>
 #include <tvm/relax/expr_functor.h>
 #include <tvm/relax/struct_info_functor.h>
diff --git a/src/s_tir/meta_schedule/utils.h b/src/s_tir/meta_schedule/utils.h
index cd0eee04c90e..9bfbddd7f9f3 100644
--- a/src/s_tir/meta_schedule/utils.h
+++ b/src/s_tir/meta_schedule/utils.h
@@ -23,7 +23,7 @@
 #include <tvm/ffi/extra/json.h>
 #include <tvm/ffi/extra/serialization.h>
 #include <tvm/ffi/optional.h>
-#include <tvm/node/cast.h>
+#include <tvm/ir/cast.h>
 #include <tvm/runtime/object.h>
 #include <tvm/s_tir/meta_schedule/arg_info.h>
 #include <tvm/s_tir/meta_schedule/builder.h>
diff --git a/src/s_tir/schedule/primitive/layout_transformation.cc b/src/s_tir/schedule/primitive/layout_transformation.cc
index b505e952cc04..33c4add69755 100644
--- a/src/s_tir/schedule/primitive/layout_transformation.cc
+++ b/src/s_tir/schedule/primitive/layout_transformation.cc
@@ -18,7 +18,7 @@
  */
 
 #include <tvm/arith/analyzer.h>
-#include <tvm/node/cast.h>
+#include <tvm/ir/cast.h>
 #include <tvm/runtime/object.h>
 
 #include <optional>
diff --git a/src/tirx/ir/transform.cc b/src/tirx/ir/transform.cc
index 3cf2f580081c..3c6a78684557 100644
--- a/src/tirx/ir/transform.cc
+++ b/src/tirx/ir/transform.cc
@@ -24,7 +24,7 @@
 #include <tvm/ffi/function.h>
 #include <tvm/ffi/reflection/registry.h>
 #include <tvm/ffi/rvalue_ref.h>
-#include <tvm/node/repr.h>
+#include <tvm/ir/repr.h>
 #include <tvm/tirx/transform.h>
 
 namespace tvm {
diff --git a/tests/cpp/arith_simplify_test.cc b/tests/cpp/arith_simplify_test.cc
index 703e83c5312a..2724f3a04245 100644
--- a/tests/cpp/arith_simplify_test.cc
+++ b/tests/cpp/arith_simplify_test.cc
@@ -19,7 +19,7 @@
 
 #include <gtest/gtest.h>
 #include <tvm/arith/analyzer.h>
-#include <tvm/node/structural_equal.h>
+#include <tvm/ffi/extra/structural_equal.h>
 #include <tvm/runtime/logging.h>
 #include <tvm/te/operation.h>
 
diff --git a/tests/cpp/expr_test.cc b/tests/cpp/expr_test.cc
index 16fe4d8dfd85..e89e10ad5189 100644
--- a/tests/cpp/expr_test.cc
+++ b/tests/cpp/expr_test.cc
@@ -18,7 +18,7 @@
  */
 
 #include <gtest/gtest.h>
-#include <tvm/node/structural_equal.h>
+#include <tvm/ffi/extra/structural_equal.h>
 #include <tvm/runtime/logging.h>
 #include <tvm/te/operation.h>
 
diff --git a/tests/cpp/ir_functor_test.cc b/tests/cpp/ir_functor_test.cc
index 8ad1a17377df..ffab42dc313d 100644
--- a/tests/cpp/ir_functor_test.cc
+++ b/tests/cpp/ir_functor_test.cc
@@ -19,7 +19,7 @@
 
 #include <gtest/gtest.h>
 #include <tvm/ir/module.h>
-#include <tvm/node/functor.h>
+#include <tvm/ir/node_functor.h>
 #include <tvm/runtime/logging.h>
 #include <tvm/tirx/analysis.h>
 #include <tvm/tirx/builtin.h>
diff --git a/tests/cpp/nested_msg_test.cc b/tests/cpp/nested_msg_test.cc
index a23be7ebdd91..c5effba7a10a 100644
--- a/tests/cpp/nested_msg_test.cc
+++ b/tests/cpp/nested_msg_test.cc
@@ -18,7 +18,7 @@
  */
 
 #include <gtest/gtest.h>
-#include <tvm/node/structural_equal.h>
+#include <tvm/ffi/extra/structural_equal.h>
 #include <tvm/relax/nested_msg.h>
 #include <tvm/relax/struct_info.h>
 #include <tvm/runtime/data_type.h>