diff --git a/source/extensions/filters/network/http_connection_manager/config.cc b/source/extensions/filters/network/http_connection_manager/config.cc
index 4e5b9c4757d78..d1ebbddaea137 100644
--- a/source/extensions/filters/network/http_connection_manager/config.cc
+++ b/source/extensions/filters/network/http_connection_manager/config.cc
@@ -333,12 +333,6 @@ HttpConnectionManagerConfig::HttpConnectionManagerConfig(
       strip_trailing_host_dot_(config.strip_trailing_host_dot()),
       max_requests_per_connection_(PROTOBUF_GET_WRAPPED_OR_DEFAULT(
           config.common_http_protocol_options(), max_requests_per_connection, 0)) {
-  // If idle_timeout_ was not configured in common_http_protocol_options, use value in deprecated
-  // idle_timeout field.
-  // TODO(asraa): Remove when idle_timeout is removed.
-  if (!idle_timeout_) {
-    idle_timeout_ = PROTOBUF_GET_OPTIONAL_MS(config, hidden_envoy_deprecated_idle_timeout);
-  }
   if (!idle_timeout_) {
     idle_timeout_ = std::chrono::hours(1);
   } else if (idle_timeout_.value().count() == 0) {
diff --git a/test/extensions/filters/network/http_connection_manager/config_test.cc b/test/extensions/filters/network/http_connection_manager/config_test.cc
index bf073cd25a2a2..80065d021eb91 100644
--- a/test/extensions/filters/network/http_connection_manager/config_test.cc
+++ b/test/extensions/filters/network/http_connection_manager/config_test.cc
@@ -776,25 +776,6 @@ TEST_F(HttpConnectionManagerConfigTest, DisabledStreamIdleTimeout) {
   EXPECT_EQ(0, config.streamIdleTimeout().count());
 }
 
-// Validate that deprecated idle_timeout is still ingested.
-TEST_F(HttpConnectionManagerConfigTest, DEPRECATED_FEATURE_TEST(IdleTimeout)) {
-  TestDeprecatedV2Api _deprecated_v2_api;
-  const std::string yaml_string = R"EOF(
-  stat_prefix: ingress_http
-  idle_timeout: 1s
-  route_config:
-    name: local_route
-  http_filters:
-  - name: envoy.filters.http.router
-  )EOF";
-
-  HttpConnectionManagerConfig config(parseHttpConnectionManagerFromYaml(yaml_string, false),
-                                     context_, date_provider_, route_config_provider_manager_,
-                                     scoped_routes_config_provider_manager_, http_tracer_manager_,
-                                     filter_config_provider_manager_);
-  EXPECT_EQ(1000, config.idleTimeout().value().count());
-}
-
 // Validate that idle_timeout set in common_http_protocol_options is used.
 TEST_F(HttpConnectionManagerConfigTest, CommonHttpProtocolIdleTimeout) {
   const std::string yaml_string = R"EOF(