diff --git a/configure.ac b/configure.ac
index 2061a3df..ce79743d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -7,8 +7,6 @@ AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_SRCDIR([src/main.c])
 AC_CONFIG_HEADERS([src/config.h])
 AM_INIT_AUTOMAKE([foreign subdir-objects])
-# TODO Introduce with Ruby plugins, see https://github.com/profanity-im/profanity/issues/779
-#AX_PREFIX_CONFIG_H([src/prof_config.h], [PROF], [src/config.h])
 
 ### Checks for programs.
 AC_PROG_CC