diff --git a/MagickCore/magick-config.h b/MagickCore/magick-config.h
index d196d5e..9bab434 100644
--- a/MagickCore/magick-config.h
+++ b/MagickCore/magick-config.h
@@ -12,9 +12,7 @@
/* #undef AUTOTRACE_DELEGATE */
/* Define if coders and filters are to be built as modules. */
-#ifndef MAGICKCORE_BUILD_MODULES
-#define MAGICKCORE_BUILD_MODULES 1
-#endif
+/* #undef BUILD_MODULES */
/* Define if you have the bzip2 library */
#ifndef MAGICKCORE_BZLIB_DELEGATE
@@ -1231,9 +1229,7 @@
/* #undef LQR_DELEGATE */
/* Define if using libltdl to support dynamically loadable modules */
-#ifndef MAGICKCORE_LTDL_DELEGATE
-#define MAGICKCORE_LTDL_DELEGATE 1
-#endif
+/* #undef LTDL_DELEGATE */
/* Define if the OS needs help to load dependent libraries for dlopen(). */
/* #undef LTDL_DLOPEN_DEPLIBS */