diff --git a/examples/cpp/BUILD.bazel b/examples/cpp/BUILD.bazel
index 1d77141b58..d45558210a 100644
--- a/examples/cpp/BUILD.bazel
+++ b/examples/cpp/BUILD.bazel
@@ -601,7 +601,6 @@ cc_binary(
     deps = [
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "//ortools/util:random_engine",
         "@com_google_absl//absl/strings",
         "@com_google_protobuf//:protobuf",
@@ -614,7 +613,6 @@ cc_library(
     deps = [
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "//ortools/util:random_engine",
     ],
 )
@@ -626,7 +624,6 @@ cc_binary(
         ":cvrptw_lib",
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
     ],
 )
 
@@ -637,7 +634,6 @@ cc_binary(
         ":cvrptw_lib",
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
     ],
 )
 
@@ -649,7 +645,6 @@ cc_binary(
         "//ortools/base",
         "//ortools/constraint_solver:routing",
         "//ortools/constraint_solver:routing_enums_cc_proto",
-        "//ortools/constraint_solver:routing_flags",
         "@com_google_absl//absl/strings",
     ],
 )
@@ -661,7 +656,6 @@ cc_binary(
         ":cvrptw_lib",
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
     ],
 )
 
@@ -672,7 +666,6 @@ cc_binary(
         ":cvrptw_lib",
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "@com_google_absl//absl/strings",
     ],
 )
@@ -684,7 +677,6 @@ cc_binary(
         ":cvrptw_lib",
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
     ],
 )
 
@@ -696,7 +688,6 @@ cc_binary(
         "//ortools/base:file",
         "//ortools/base:mathutil",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "@com_google_absl//absl/flags:flag",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
diff --git a/ortools/constraint_solver/BUILD.bazel b/ortools/constraint_solver/BUILD.bazel
index ee16229685..a50ac8cbe7 100644
--- a/ortools/constraint_solver/BUILD.bazel
+++ b/ortools/constraint_solver/BUILD.bazel
@@ -271,26 +271,6 @@ cc_library(
     ],
 )
 
-cc_library(
-    name = "routing_flags",
-    srcs = [
-        "routing_flags.cc",
-    ],
-    hdrs = ["routing_flags.h"],
-    deps = [
-        ":cp",
-        ":routing_enums_cc_proto",
-        ":routing_parameters",
-        ":routing_parameters_cc_proto",
-        "//ortools/base",
-        "//ortools/base:map_util",
-        "//ortools/base:protoutil",
-        "//ortools/util:optional_boolean_cc_proto",
-        "@com_google_absl//absl/time",
-        "@com_google_protobuf//:protobuf",
-    ],
-)
-
 cc_library(
     name = "routing_types",
     hdrs = ["routing_types.h"],
diff --git a/ortools/constraint_solver/samples/code_samples.bzl b/ortools/constraint_solver/samples/code_samples.bzl
index d22ca85d7e..f2c987e62b 100644
--- a/ortools/constraint_solver/samples/code_samples.bzl
+++ b/ortools/constraint_solver/samples/code_samples.bzl
@@ -22,7 +22,6 @@ def code_sample_cc(name):
             "//ortools/constraint_solver:cp",
             "//ortools/constraint_solver:routing",
             "//ortools/constraint_solver:routing_enums_cc_proto",
-            "//ortools/constraint_solver:routing_flags",
         ],
     )
 
@@ -36,6 +35,5 @@ def code_sample_cc(name):
             "//ortools/constraint_solver:cp",
             "//ortools/constraint_solver:routing",
             "//ortools/constraint_solver:routing_enums_cc_proto",
-            "//ortools/constraint_solver:routing_flags",
         ],
     )
diff --git a/ortools/routing/BUILD.bazel b/ortools/routing/BUILD.bazel
index 0452a91217..c0c35849d4 100644
--- a/ortools/routing/BUILD.bazel
+++ b/ortools/routing/BUILD.bazel
@@ -291,7 +291,6 @@ cc_library(
     deps = [
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "//ortools/util:random_engine",
     ],
 )
diff --git a/ortools/routing/samples/BUILD.bazel b/ortools/routing/samples/BUILD.bazel
index fd012912da..0447503c20 100644
--- a/ortools/routing/samples/BUILD.bazel
+++ b/ortools/routing/samples/BUILD.bazel
@@ -17,7 +17,6 @@ cc_binary(
     deps = [
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "//ortools/routing:cvrptw_lib",
     ],
 )
@@ -28,7 +27,6 @@ cc_binary(
     deps = [
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "//ortools/routing:cvrptw_lib",
     ],
 )
@@ -40,7 +38,6 @@ cc_binary(
         "//ortools/base",
         "//ortools/constraint_solver:routing",
         "//ortools/constraint_solver:routing_enums_cc_proto",
-        "//ortools/constraint_solver:routing_flags",
         "//ortools/routing:cvrptw_lib",
         "@com_google_absl//absl/strings",
     ],
@@ -52,7 +49,6 @@ cc_binary(
     deps = [
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "//ortools/routing:cvrptw_lib",
     ],
 )
@@ -63,7 +59,6 @@ cc_binary(
     deps = [
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "//ortools/routing:cvrptw_lib",
         "@com_google_absl//absl/strings",
     ],
@@ -75,7 +70,6 @@ cc_binary(
     deps = [
         "//ortools/base",
         "//ortools/constraint_solver:routing",
-        "//ortools/constraint_solver:routing_flags",
         "//ortools/routing:cvrptw_lib",
     ],
 )
diff --git a/tools/doc/gen_ref_doc.py b/tools/doc/gen_ref_doc.py
index 5386886428..00e5d3dc0e 100755
--- a/tools/doc/gen_ref_doc.py
+++ b/tools/doc/gen_ref_doc.py
@@ -211,7 +211,6 @@ def create_section_data():
           'ortools/constraint_solver/constraint_solver.h ' +
           'ortools/constraint_solver/constraint_solveri.h ' +
           'ortools/constraint_solver/routing.h ' +
-          'ortools/constraint_solver/routing_flags.h ' +
           'ortools/constraint_solver/routing_index_manager.h ' +
           'ortools/constraint_solver/routing_lp_scheduling.h ' +
           'ortools/constraint_solver/routing_neighborhoods.h ' +