diff --git a/test/config/utility.cc b/test/config/utility.cc
index 66dde247121c6..8de3098dc07c7 100644
--- a/test/config/utility.cc
+++ b/test/config/utility.cc
@@ -172,7 +172,7 @@ std::string ConfigHelper::httpProxyConfig(bool downstream_use_quic) {
           "@type": type.googleapis.com/envoy.extensions.filters.network.http_connection_manager.v3.HttpConnectionManager
           stat_prefix: config_test
           delayed_close_timeout:
-            nanos: 100
+            nanos: 10000000
           http_filters:
             name: envoy.filters.http.router
           codec_type: HTTP1
diff --git a/test/integration/integration_test.cc b/test/integration/integration_test.cc
index ab75975b32e81..a326391b669e8 100644
--- a/test/integration/integration_test.cc
+++ b/test/integration/integration_test.cc
@@ -458,12 +458,12 @@ name: matcher
 
   initialize();
 
-  codec_client_ = makeHttpConnection(lookupPort("http"));
-
   {
+    codec_client_ = makeHttpConnection(lookupPort("http"));
     auto response = codec_client_->makeRequestWithBody(default_request_headers_, 1024);
     ASSERT_TRUE(response->waitForEndStream());
     EXPECT_THAT(response->headers(), HttpStatusIs("403"));
+    codec_client_->close();
   }
 
   {
@@ -524,12 +524,12 @@ name: matcher
 
   initialize();
 
-  codec_client_ = makeHttpConnection(lookupPort("http"));
-
   {
+    codec_client_ = makeHttpConnection(lookupPort("http"));
     auto response = codec_client_->makeRequestWithBody(default_request_headers_, 1024);
     ASSERT_TRUE(response->waitForEndStream());
     EXPECT_THAT(response->headers(), HttpStatusIs("403"));
+    codec_client_->close();
   }
 
   {
diff --git a/test/integration/multiplexed_integration_test.cc b/test/integration/multiplexed_integration_test.cc
index 18196daf40d16..3fef0ab4d56e1 100644
--- a/test/integration/multiplexed_integration_test.cc
+++ b/test/integration/multiplexed_integration_test.cc
@@ -1345,7 +1345,7 @@ TEST_P(MultiplexedIntegrationTest, DelayedCloseDisabled) {
   EXCLUDE_DOWNSTREAM_HTTP3; // Needs HTTP/3 "bad frame" equivalent.
   config_helper_.addConfigModifier(
       [](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
-             hcm) { hcm.mutable_delayed_close_timeout()->set_seconds(0); });
+             hcm) { hcm.mutable_delayed_close_timeout()->set_nanos(0); });
   initialize();
   std::string response;
   auto connection = createConnectionDriver(
diff --git a/test/integration/protocol_integration_test.cc b/test/integration/protocol_integration_test.cc
index 7f6599d444de0..9410bfe7eba83 100644
--- a/test/integration/protocol_integration_test.cc
+++ b/test/integration/protocol_integration_test.cc
@@ -3454,10 +3454,6 @@ TEST_P(DownstreamProtocolIntegrationTest, HandleDownstreamSocketFail) {
 }
 
 TEST_P(ProtocolIntegrationTest, HandleUpstreamSocketFail) {
-#ifdef WIN32
-  // Debug info for https://github.com/envoyproxy/envoy/issues/19430
-  LogLevelSetter save_levels(spdlog::level::trace);
-#endif
   SocketInterfaceSwap socket_swap;
 
   useAccessLog("%RESPONSE_CODE_DETAILS%");