diff --git a/contrib/devtools/check-doc.py b/contrib/devtools/check-doc.py
index 9c589e6e6d..8c73cf1e8a 100755
--- a/contrib/devtools/check-doc.py
+++ b/contrib/devtools/check-doc.py
@@ -21,7 +21,7 @@ CMD_GREP_DOCS = r"egrep -r -I 'HelpMessageOpt\(\"\-[^\"=]+?(=|\")' %s" % (CMD_RO
 REGEX_ARG = re.compile(r'(?:map(?:Multi)?Args(?:\.count\(|\[)|Get(?:Bool)?Arg\()\"(\-[^\"]+?)\"')
 REGEX_DOC = re.compile(r'HelpMessageOpt\(\"(\-[^\"=]+?)(?:=|\")')
 # list unsupported, deprecated and duplicate args as they need no documentation
-SET_DOC_OPTIONAL = set(['-rpcssl', '-benchmark', '-h', '-help', '-socks', '-tor', '-debugnet'])
+SET_DOC_OPTIONAL = set(['-rpcssl', '-benchmark', '-h', '-help', '-socks', '-tor', '-debugnet', '-whitelistalwaysrelay'])
 
 def main():
   used = check_output(CMD_GREP_ARGS, shell=True)
diff --git a/src/init.cpp b/src/init.cpp
index e67193b329..173570069c 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -751,7 +751,7 @@ void InitParameterInteraction()
             LogPrintf("%s: parameter interaction: -zapwallettxes=<mode> -> setting -rescan=1\n", __func__);
     }
 
-    // disable walletbroadcast and whitelistalwaysrelay in blocksonly mode
+    // disable walletbroadcast and whitelistrelay in blocksonly mode
     if (GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY)) {
         if (SoftSetBoolArg("-whitelistrelay", false))
             LogPrintf("%s: parameter interaction: -blocksonly=1 -> setting -whitelistrelay=0\n", __func__);
@@ -902,6 +902,9 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
     if (GetBoolArg("-benchmark", false))
         InitWarning(_("Unsupported argument -benchmark ignored, use -debug=bench."));
 
+    if (GetBoolArg("-whitelistalwaysrelay", false))
+        InitWarning(_("Unsupported argument -whitelistalwaysrelay ignored, use -whitelistrelay and/or -whitelistforcerelay."));
+
     // Checkmempool and checkblockindex default to true in regtest mode
     int ratio = std::min<int>(std::max<int>(GetArg("-checkmempool", chainparams.DefaultConsistencyChecks() ? 1 : 0), 0), 1000000);
     if (ratio != 0) {