diff --git a/p2p/client/basic_port_allocator.cc b/p2p/client/basic_port_allocator.cc
index 3e8ddf4b69..75213df1c0 100644
--- a/p2p/client/basic_port_allocator.cc
+++ b/p2p/client/basic_port_allocator.cc
@@ -188,23 +188,6 @@ BasicPortAllocator::BasicPortAllocator(
                    webrtc::NO_PRUNE, customizer);
 }
 
-BasicPortAllocator::BasicPortAllocator(
-    rtc::NetworkManager* network_manager,
-    rtc::PacketSocketFactory* socket_factory,
-    const ServerAddresses& stun_servers,
-    const webrtc::FieldTrialsView* field_trials)
-    : field_trials_(field_trials),
-      network_manager_(network_manager),
-      socket_factory_(socket_factory),
-      default_relay_port_factory_(new TurnPortFactory()),
-      relay_port_factory_(default_relay_port_factory_.get()) {
-  RTC_CHECK(socket_factory_);
-  RTC_DCHECK(relay_port_factory_);
-  RTC_DCHECK(network_manager_);
-  SetConfiguration(stun_servers, std::vector<RelayServerConfig>(), 0,
-                   webrtc::NO_PRUNE, nullptr);
-}
-
 BasicPortAllocator::~BasicPortAllocator() {
   CheckRunOnValidThreadIfInitialized();
   // Our created port allocator sessions depend on us, so destroy our remaining
diff --git a/p2p/client/basic_port_allocator.h b/p2p/client/basic_port_allocator.h
index 3c275c97e4..197d4b1e18 100644
--- a/p2p/client/basic_port_allocator.h
+++ b/p2p/client/basic_port_allocator.h
@@ -42,10 +42,10 @@ class RTC_EXPORT BasicPortAllocator : public PortAllocator {
                      webrtc::TurnCustomizer* customizer = nullptr,
                      RelayPortFactoryInterface* relay_port_factory = nullptr,
                      const webrtc::FieldTrialsView* field_trials = nullptr);
-  BasicPortAllocator(rtc::NetworkManager* network_manager,
-                     rtc::PacketSocketFactory* socket_factory,
-                     const ServerAddresses& stun_servers,
-                     const webrtc::FieldTrialsView* field_trials = nullptr);
+
+  BasicPortAllocator(const BasicPortAllocator&) = delete;
+  BasicPortAllocator& operator=(const BasicPortAllocator&) = delete;
+
   ~BasicPortAllocator() override;
 
   // Set to kDefaultNetworkIgnoreMask by default.
diff --git a/p2p/client/basic_port_allocator_unittest.cc b/p2p/client/basic_port_allocator_unittest.cc
index 102612274c..80ac2412d6 100644
--- a/p2p/client/basic_port_allocator_unittest.cc
+++ b/p2p/client/basic_port_allocator_unittest.cc
@@ -165,11 +165,11 @@ class BasicPortAllocatorTestBase : public ::testing::Test,
                      kTurnUdpIntAddr,
                      kTurnUdpExtAddr),
         candidate_allocation_done_(false) {
-    ServerAddresses stun_servers;
-    stun_servers.insert(kStunAddr);
-
     allocator_ = std::make_unique<BasicPortAllocator>(
-        &network_manager_, &socket_factory_, stun_servers, &field_trials_);
+        &network_manager_, &socket_factory_, /*customizer=*/nullptr,
+        /*relay_port_factory=*/nullptr, &field_trials_);
+    allocator_->SetConfiguration({kStunAddr}, {}, 0, webrtc::NO_PRUNE, nullptr);
+
     allocator_->Initialize();
     allocator_->set_step_delay(kMinimumStepDelay);
     webrtc::metrics::Reset();
@@ -489,9 +489,13 @@ class BasicPortAllocatorTestBase : public ::testing::Test,
     if (!stun_server.IsNil()) {
       stun_servers.insert(stun_server);
     }
-    allocator_.reset(new BasicPortAllocator(&network_manager_,
-                                            nat_socket_factory_.get(),
-                                            stun_servers, &field_trials_));
+    allocator_ = std::make_unique<BasicPortAllocator>(
+        &network_manager_, nat_socket_factory_.get(),
+        /*customizer=*/nullptr,
+        /*relay_port_factory=*/nullptr, &field_trials_);
+    allocator_->SetConfiguration(stun_servers, {}, 0, webrtc::NO_PRUNE,
+                                 nullptr);
+
     allocator_->Initialize();
     allocator_->set_step_delay(kMinimumStepDelay);
   }