diff --git a/gdb/cli/cli-interp.h b/gdb/cli/cli-interp.h
index 2e89a36d86a..863e8c3133e 100644
--- a/gdb/cli/cli-interp.h
+++ b/gdb/cli/cli-interp.h
@@ -34,11 +34,6 @@ class cli_interp_base : public interp
   bool supports_command_editing () override;
 };
 
-/* The CLI interpreter's set_logging_proc method.  Exported so other
-   interpreters can reuse it.  */
-extern void cli_set_logging (struct interp *interp,
-			     ui_file_up logfile, bool logging_redirect);
-
 extern int cli_interpreter_supports_command_editing (struct interp *interp);
 
 extern void cli_interpreter_pre_command_loop (struct interp *self);