diff --git a/netwerk/build/nsNetCID.h b/netwerk/build/nsNetCID.h
index 8c5609d966ad..c593d241da2b 100644
--- a/netwerk/build/nsNetCID.h
+++ b/netwerk/build/nsNetCID.h
@@ -576,16 +576,6 @@
     {0x9f, 0xd4, 0xe0, 0x65, 0xe8, 0x55, 0x68, 0xf4} \
 }
 
-#define NS_HTTPCHANNELAUTHPROVIDER_CONTRACTID \
-    "@mozilla.org/network/http-channel-auth-provider;1"
-#define NS_HTTPCHANNELAUTHPROVIDER_CID \
-{ /* 02f5a8d8-4ef3-48b1-b527-8a643056abbd */         \
-    0x02f5a8d8,                                      \
-    0x4ef3,                                          \
-    0x48b1,                                          \
-    {0xb5, 0x27, 0x8a, 0x64, 0x30, 0x56, 0xab, 0xbd} \
-}
-
 // component implementing nsIHttpPushListener.
 #define NS_HTTPPUSHLISTENER_CONTRACTID \
     "@mozilla.org/network/push-listener;1"
diff --git a/netwerk/build/nsNetModule.cpp b/netwerk/build/nsNetModule.cpp
index 0189f3e81105..edb298d18896 100644
--- a/netwerk/build/nsNetModule.cpp
+++ b/netwerk/build/nsNetModule.cpp
@@ -238,7 +238,6 @@ NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsFtpProtocolHandler, Init)
 #undef LOG
 #undef LOG_ENABLED
 #include "nsHttpAuthManager.h"
-#include "nsHttpChannelAuthProvider.h"
 #include "nsHttpBasicAuth.h"
 #include "nsHttpDigestAuth.h"
 #include "nsHttpNTLMAuth.h"
@@ -253,7 +252,6 @@ NS_GENERIC_FACTORY_CONSTRUCTOR(nsHttpNTLMAuth)
 NS_GENERIC_FACTORY_SINGLETON_CONSTRUCTOR(nsHttpHandler, nsHttpHandler::GetInstance)
 NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsHttpsHandler, Init)
 NS_GENERIC_FACTORY_CONSTRUCTOR_INIT(nsHttpAuthManager, Init)
-NS_GENERIC_FACTORY_CONSTRUCTOR(nsHttpChannelAuthProvider)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsHttpActivityDistributor)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsHttpBasicAuth)
 NS_GENERIC_FACTORY_CONSTRUCTOR(nsHttpDigestAuth)
@@ -710,7 +708,6 @@ NS_DEFINE_NAMED_CID(NS_HTTPBASICAUTH_CID);
 NS_DEFINE_NAMED_CID(NS_HTTPDIGESTAUTH_CID);
 NS_DEFINE_NAMED_CID(NS_HTTPNTLMAUTH_CID);
 NS_DEFINE_NAMED_CID(NS_HTTPAUTHMANAGER_CID);
-NS_DEFINE_NAMED_CID(NS_HTTPCHANNELAUTHPROVIDER_CID);
 NS_DEFINE_NAMED_CID(NS_HTTPACTIVITYDISTRIBUTOR_CID);
 NS_DEFINE_NAMED_CID(NS_THROTTLEQUEUE_CID);
 NS_DEFINE_NAMED_CID(NS_BACKGROUNDCHANNELREGISTRAR_CID);
@@ -827,7 +824,6 @@ static const mozilla::Module::CIDEntry kNeckoCIDs[] = {
     { &kNS_HTTPDIGESTAUTH_CID, false, nullptr, mozilla::net::nsHttpDigestAuthConstructor },
     { &kNS_HTTPNTLMAUTH_CID, false, nullptr, mozilla::net::nsHttpNTLMAuthConstructor },
     { &kNS_HTTPAUTHMANAGER_CID, false, nullptr, mozilla::net::nsHttpAuthManagerConstructor },
-    { &kNS_HTTPCHANNELAUTHPROVIDER_CID, false, nullptr, mozilla::net::nsHttpChannelAuthProviderConstructor },
     { &kNS_HTTPACTIVITYDISTRIBUTOR_CID, false, nullptr, mozilla::net::nsHttpActivityDistributorConstructor },
     { &kNS_THROTTLEQUEUE_CID, false, nullptr, mozilla::net::ThrottleQueueConstructor },
     { &kNS_BACKGROUNDCHANNELREGISTRAR_CID, false, nullptr, mozilla::net::BackgroundChannelRegistrarConstructor },
@@ -950,7 +946,6 @@ static const mozilla::Module::ContractIDEntry kNeckoContracts[] = {
     { NS_HTTP_AUTHENTICATOR_CONTRACTID_PREFIX "digest", &kNS_HTTPDIGESTAUTH_CID },
     { NS_HTTP_AUTHENTICATOR_CONTRACTID_PREFIX "ntlm", &kNS_HTTPNTLMAUTH_CID },
     { NS_HTTPAUTHMANAGER_CONTRACTID, &kNS_HTTPAUTHMANAGER_CID },
-    { NS_HTTPCHANNELAUTHPROVIDER_CONTRACTID, &kNS_HTTPCHANNELAUTHPROVIDER_CID },
     { NS_HTTPACTIVITYDISTRIBUTOR_CONTRACTID, &kNS_HTTPACTIVITYDISTRIBUTOR_CID },
     { NS_THROTTLEQUEUE_CONTRACTID, &kNS_THROTTLEQUEUE_CID },
     { NS_BACKGROUNDCHANNELREGISTRAR_CONTRACTID, &kNS_BACKGROUNDCHANNELREGISTRAR_CID },
diff --git a/netwerk/protocol/http/nsHttpChannel.cpp b/netwerk/protocol/http/nsHttpChannel.cpp
index ede205d505f1..6b35231785e5 100644
--- a/netwerk/protocol/http/nsHttpChannel.cpp
+++ b/netwerk/protocol/http/nsHttpChannel.cpp
@@ -15,6 +15,7 @@
 
 #include "nsHttp.h"
 #include "nsHttpChannel.h"
+#include "nsHttpChannelAuthProvider.h"
 #include "nsHttpHandler.h"
 #include "nsIApplicationCacheService.h"
 #include "nsIApplicationCacheContainer.h"
@@ -6492,11 +6493,8 @@ nsHttpChannel::BeginConnect()
         Telemetry::Accumulate(Telemetry::HTTP_TRANSACTION_USE_ALTSVC, false);
     }
 
-    mAuthProvider =
-        do_CreateInstance("@mozilla.org/network/http-channel-auth-provider;1",
-                          &rv);
-    if (NS_SUCCEEDED(rv))
-        rv = mAuthProvider->Init(this);
+    mAuthProvider = new nsHttpChannelAuthProvider();
+    rv = mAuthProvider->Init(this);
     if (NS_FAILED(rv)) {
         return rv;
     }
diff --git a/netwerk/protocol/http/nsHttpChannelAuthProvider.h b/netwerk/protocol/http/nsHttpChannelAuthProvider.h
index 361524fe5add..80b95db76d33 100644
--- a/netwerk/protocol/http/nsHttpChannelAuthProvider.h
+++ b/netwerk/protocol/http/nsHttpChannelAuthProvider.h
@@ -25,9 +25,10 @@ namespace mozilla { namespace net {
 
 class nsHttpHandler;
 
-class nsHttpChannelAuthProvider : public nsIHttpChannelAuthProvider
-                                , public nsIAuthPromptCallback
-                                , public nsIHttpAuthenticatorCallback
+class nsHttpChannelAuthProvider final
+  : public nsIHttpChannelAuthProvider
+  , public nsIAuthPromptCallback
+  , public nsIHttpAuthenticatorCallback
 {
 public:
     NS_DECL_ISUPPORTS