diff --git a/lib/common_test/src/ct.erl b/lib/common_test/src/ct.erl
index 868453b1273c..f58d17f20f77 100644
--- a/lib/common_test/src/ct.erl
+++ b/lib/common_test/src/ct.erl
@@ -1184,14 +1184,7 @@ result as a list of key-value pairs.
                    Env :: {Key, Value},
                    Key :: string(),
                    Value :: string(),
-                   Reason :: {'could_not_send_command', Telnet, Command, Error} | term(),
-                   Command :: string(),
-                   Error :: {'invalid_option', InvalidOption} | {'no_such_connection', Type}
-                          | 'no_registered_connection' | {'no_such_name', Name} | term(),
-                   InvalidOption :: {'newline', String} | term(),
-                   String :: string(),
-                   Type :: ct_telnet:connection_type(),
-                   Name :: ct:target_name().
+                   Reason :: term().
 listenv(Telnet) ->
     ct_util:listenv(Telnet).