--- a/netwerk/cookie/nsCookieService.cpp
+++ b/netwerk/cookie/nsCookieService.cpp
@@ -2025,18 +2025,18 @@ nsCookieService::SetCookieStringInternal
     COOKIE_LOGFAILURE(SET_COOKIE, aHostURI, aCookieHeader,
                       "couldn't get base domain from URI");
     return;
   }
 
   nsCookieKey key(baseDomain, aOriginAttrs);
 
   // check default prefs
-  CookieStatus cookieStatus = CheckPrefs(aHostURI, aIsForeign, requireHostMatch,
-                                         aCookieHeader.get());
+  CookieStatus cookieStatus = CheckPrefs(aHostURI, aIsForeign, aCookieHeader.get());
+
   // fire a notification if third party or if cookie was rejected
   // (but not if there was an error)
   switch (cookieStatus) {
   case STATUS_REJECTED:
     NotifyRejected(aHostURI);
     if (aIsForeign) {
       NotifyThirdParty(aHostURI, false, aChannel);
     }
@@ -3070,18 +3070,18 @@ nsCookieService::GetCookieStringInternal
   if (NS_SUCCEEDED(rv))
     rv = aHostURI->GetPath(pathFromURI);
   if (NS_FAILED(rv)) {
     COOKIE_LOGFAILURE(GET_COOKIE, aHostURI, nullptr, "invalid host/path from URI");
     return;
   }
 
   // check default prefs
-  CookieStatus cookieStatus = CheckPrefs(aHostURI, aIsForeign, requireHostMatch,
-                                         nullptr);
+  CookieStatus cookieStatus = CheckPrefs(aHostURI, aIsForeign, nullptr);
+
   // for GetCookie(), we don't fire rejection notifications.
   switch (cookieStatus) {
   case STATUS_REJECTED:
   case STATUS_REJECTED_WITH_ERROR:
     return;
   default:
     break;
   }
@@ -3858,17 +3858,16 @@ static inline bool IsSubdomainOf(const n
   if (a.Length() > b.Length())
     return a[a.Length() - b.Length() - 1] == '.' && StringEndsWith(a, b);
   return false;
 }
 
 CookieStatus
 nsCookieService::CheckPrefs(nsIURI          *aHostURI,
                             bool             aIsForeign,
-                            bool             aRequireHostMatch,
                             const char      *aCookieHeader)
 {
   nsresult rv;
 
   // don't let ftp sites get/set cookies (could be a security issue)
   bool ftp;
   if (NS_SUCCEEDED(aHostURI->SchemeIs("ftp", &ftp)) && ftp) {
     COOKIE_LOGFAILURE(aCookieHeader ? SET_COOKIE : GET_COOKIE, aHostURI, aCookieHeader, "ftp sites cannot read cookies");

--- a/netwerk/cookie/nsCookieService.h
+++ b/netwerk/cookie/nsCookieService.h
@@ -299,17 +299,17 @@ class nsCookieService final : public nsI
     bool                          SetCookieInternal(nsIURI *aHostURI, const nsCookieKey& aKey, bool aRequireHostMatch, CookieStatus aStatus, nsDependentCString &aCookieHeader, int64_t aServerTime, bool aFromHttp, nsIChannel* aChannel);
     void                          AddInternal(const nsCookieKey& aKey, nsCookie *aCookie, int64_t aCurrentTimeInUsec, nsIURI *aHostURI, const char *aCookieHeader, bool aFromHttp);
     void                          RemoveCookieFromList(const nsListIter &aIter, mozIStorageBindingParamsArray *aParamsArray = nullptr);
     void                          AddCookieToList(const nsCookieKey& aKey, nsCookie *aCookie, DBState *aDBState, mozIStorageBindingParamsArray *aParamsArray, bool aWriteToDB = true);
     void                          UpdateCookieInList(nsCookie *aCookie, int64_t aLastAccessed, mozIStorageBindingParamsArray *aParamsArray);
     static bool                   GetTokenValue(nsASingleFragmentCString::const_char_iterator &aIter, nsASingleFragmentCString::const_char_iterator &aEndIter, nsDependentCSubstring &aTokenString, nsDependentCSubstring &aTokenValue, bool &aEqualsFound);
     static bool                   ParseAttributes(nsDependentCString &aCookieHeader, nsCookieAttributes &aCookie);
     bool                          RequireThirdPartyCheck();
-    CookieStatus                  CheckPrefs(nsIURI *aHostURI, bool aIsForeign, bool aRequireHostMatch, const char *aCookieHeader);
+    CookieStatus                  CheckPrefs(nsIURI *aHostURI, bool aIsForeign, const char *aCookieHeader);
     bool                          CheckDomain(nsCookieAttributes &aCookie, nsIURI *aHostURI, const nsCString &aBaseDomain, bool aRequireHostMatch);
     static bool                   CheckPath(nsCookieAttributes &aCookie, nsIURI *aHostURI);
     static bool                   CheckPrefixes(nsCookieAttributes &aCookie, bool aSecureRequest);
     static bool                   GetExpiry(nsCookieAttributes &aCookie, int64_t aServerTime, int64_t aCurrentTime);
     void                          RemoveAllFromMemory();
     already_AddRefed<nsIArray>    PurgeCookies(int64_t aCurrentTimeInUsec);
     bool                          FindCookie(const nsCookieKey& aKey, const nsAFlatCString &aHost, const nsAFlatCString &aName, const nsAFlatCString &aPath, nsListIter &aIter);
     static void                   FindStaleCookie(nsCookieEntry *aEntry, int64_t aCurrentTime, nsListIter &aIter);