diff --git a/include/tint/tint.h b/include/tint/tint.h
index 6e72c470e1..7b55fe2ac3 100644
--- a/include/tint/tint.h
+++ b/include/tint/tint.h
@@ -32,7 +32,6 @@
 #include "src/transform/renamer.h"
 #include "src/transform/vertex_pulling.h"
 #include "src/type/type_manager.h"
-#include "src/validator/validator.h"
 #include "src/writer/writer.h"
 
 #if TINT_BUILD_SPV_READER
diff --git a/src/BUILD.gn b/src/BUILD.gn
index 8a7dc89a6a..8c197e2113 100644
--- a/src/BUILD.gn
+++ b/src/BUILD.gn
@@ -465,7 +465,6 @@ source_set("libtint_core_src") {
     "utils/hash.h",
     "utils/math.h",
     "utils/unique_vector.h",
-    "validator/validator.h",
     "writer/append_vector.cc",
     "writer/append_vector.h",
     "writer/float_to_string.cc",
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b920e8c56c..91567fc546 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -280,7 +280,6 @@ set(TINT_LIB_SRCS
   utils/hash.h
   utils/math.h
   utils/unique_vector.h
-  validator/validator.h
   writer/append_vector.cc
   writer/append_vector.h
   writer/float_to_string.cc
diff --git a/src/validator/validator.h b/src/validator/validator.h
deleted file mode 100644
index bbcaf69057..0000000000
--- a/src/validator/validator.h
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright 2020 The Tint Authors.
-//
-// Licensed 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.
-
-#ifndef SRC_VALIDATOR_VALIDATOR_H_
-#define SRC_VALIDATOR_VALIDATOR_H_
-
-#include <string>
-
-#include "src/diagnostic/diagnostic.h"
-
-namespace tint {
-
-class Program;
-
-// TODO(amaiorano): This class is deprecated. Delete after removing its usage in
-// Dawn.
-/// Determines if the program is complete and valid
-class Validator {
- public:
-  /// Runs the validator
-  /// @param program the program to validate
-  /// @returns true if the validation was successful
-  bool Validate(const Program* program) {
-    (void)program;
-    return true;
-  }
-
-  /// @returns error messages from the validator
-  std::string error() { return {}; }
-  /// @returns true if an error was encountered
-  bool has_error() const { return false; }
-
-  /// @returns the full list of diagnostic messages.
-  const diag::List& diagnostics() const { return diags_; }
-
- private:
-  diag::List diags_;
-};
-
-}  // namespace tint
-
-#endif  // SRC_VALIDATOR_VALIDATOR_H_