diff --git a/src/init.cpp b/src/init.cpp
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -726,10 +726,6 @@
         strprintf(_("Exclude debugging information for a category. Can be used "
                     "in conjunction with -debug=1 to output debug logs for all "
                     "categories except one or more specified categories.")));
-    if (showDebug) {
-        strUsage += HelpMessageOpt(
-            "-nodebug", "Turn off debugging messages, same as -debug=0");
-    }
     strUsage += HelpMessageOpt(
         "-help-debug",
         _("Show all debugging options (usage: --help -help-debug)"));
diff --git a/test/lint/check-doc.py b/test/lint/check-doc.py
--- a/test/lint/check-doc.py
+++ b/test/lint/check-doc.py
@@ -45,8 +45,7 @@
                         '-whitelistalwaysrelay'])
 
 # list false positive unknows arguments
-SET_FALSE_POSITIVE_UNKNOWNS = set(['-nodebug',
-                                   '-zmqpubhashblock',
+SET_FALSE_POSITIVE_UNKNOWNS = set(['-zmqpubhashblock',
                                    '-zmqpubhashtx',
                                    '-zmqpubrawblock',
                                    '-zmqpubrawtx'])