diff --git a/src/Config.cpp b/src/Config.cpp
index 1141df61f..c35ecf6db 100644
--- a/src/Config.cpp
+++ b/src/Config.cpp
@@ -288,8 +288,6 @@ std::string Config::_defaults =
   "list.all.tags=no                               # Include old tag names in 'tags' command\n"
   "print.empty.columns=no                         # Print columns which have no data for any task\n"
   "debug=no                                       # Display diagnostics\n"
-  "debug.tls=0                                    # GnuTLS log level\n"
-  "extensions=off                                 # Extension system master switch\n"
   "fontunderline=yes                              # Uses underlines rather than -------\n"
   "shell.prompt=task>                             # Prompt used by the shell command\n"
   "\n"
diff --git a/src/commands/CmdShow.cpp b/src/commands/CmdShow.cpp
index 94540b750..f557caf0b 100644
--- a/src/commands/CmdShow.cpp
+++ b/src/commands/CmdShow.cpp
@@ -153,7 +153,6 @@ int CmdShow::execute (std::string& output)
     " editor"
     " exit.on.missing.db"
     " expressions"
-    " extensions"
     " fontunderline"
     " gc"
     " hooks"