diff --git a/python/MooseDocs/extensions/content.py b/python/MooseDocs/extensions/content.py
index fcb779a1c0f6..ef91cd7bd28b 100644
--- a/python/MooseDocs/extensions/content.py
+++ b/python/MooseDocs/extensions/content.py
@@ -111,7 +111,7 @@ def binContent(self, page, location=None, method=None):
         return headings
 
 class ContentCommand(command.CommandComponent):
-    COMMAND = ('content', 'contents') #TODO: Change this to content after format is working
+    COMMAND = ('content')
     SUBCOMMAND = (None, 'list')
 
     @staticmethod
@@ -122,14 +122,11 @@ def defaultSettings():
         return settings
 
     def createToken(self, parent, info, page, settings):
-        if info['command'] == 'contents':
-            msg = 'The command "!contents" is deprecated, please use "!content list".'
-            LOG.warning(common.report_error(msg, page.source, info.line, info[0], prefix='WARNING'))
         ContentToken(parent, location=settings['location'], level=settings['level'])
         return parent
 
 class AtoZCommand(command.CommandComponent):
-    COMMAND = ('content', 'contents')
+    COMMAND = ('content')
     SUBCOMMAND = 'a-to-z'
 
     @staticmethod
@@ -141,15 +138,12 @@ def defaultSettings():
         return settings
 
     def createToken(self, parent, info, page, settings):
-        if info['command'] == 'contents':
-            msg = 'The command "!contents a-to-z" is deprecated, please use "!content a-to-z".'
-            LOG.warning(common.report_error(msg, page.source, info.line, info[0], prefix='WARNING'))
         AtoZToken(parent, location=settings['location'], level=settings['level'],
                   buttons=settings['buttons'])
         return parent
 
 class TableOfContentsCommand(command.CommandComponent):
-    COMMAND = ('content', 'contents')
+    COMMAND = ('content')
     SUBCOMMAND = 'toc'
 
     @staticmethod
@@ -161,10 +155,6 @@ def defaultSettings():
         return settings
 
     def createToken(self, parent, info, page, settings):
-        if info['command'] == 'contents':
-            msg = 'The command "!contents toc" is deprecated, please use "!content toc".'
-            LOG.warning(common.report_error(msg, page.source, info.line, info[0], prefix='WARNING'))
-
         levels = settings['levels']
         if isinstance(levels, (str, str)):
             levels = [int(l) for l in levels.split()]
@@ -483,5 +473,5 @@ def createHTMLHelper(self, parent, token, page, direction):
                         string=string)
 
     def createLatex(self, parent, token, page):
-        msg = "Warning: The Content Extension\'s 'pagination' command is not supported for LaTex documents."
+        msg = "Warning: The Content Extension\'s 'pagination' command is not supported for LaTeX documents."
         latex.String(parent, content=msg)