diff --git a/configure b/configure
index 66ac6b3..4cbe652 100755
--- a/configure
+++ b/configure
@@ -9345,7 +9345,7 @@ LIBS="$saved_LIBS"
 case "$ac_cv_search_argp_parse" in
         no) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "failed to find argp_parse
+: $? "failed to find argp_parse
 See \`config.log' for more details" "$LINENO" 5; } ;;
         -l*) argp_LDADD="$ac_cv_search_argp_parse" ;;
         *) argp_LDADD= ;;
@@ -9416,7 +9416,7 @@ LIBS="$saved_LIBS"
 case "$ac_cv_search_fts_close" in
         no) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "failed to find fts_close
+: $? "failed to find fts_close
 See \`config.log' for more details" "$LINENO" 5; } ;;
         -l*) fts_LIBS="$ac_cv_search_fts_close" ;;
         *) fts_LIBS= ;;
@@ -9487,7 +9487,7 @@ LIBS="$saved_LIBS"
 case "$ac_cv_search__obstack_free" in
         no) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
-as_fn_error $? "failed to find _obstack_free
+: $? "failed to find _obstack_free
 See \`config.log' for more details" "$LINENO" 5; } ;;
         -l*) obstack_LIBS="$ac_cv_search__obstack_free" ;;
         *) obstack_LIBS= ;;
diff --git a/lib/Makefile.in b/lib/Makefile.in
index c559642..608013f 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -118,7 +118,7 @@ libeu_a_LIBADD =
 am_libeu_a_OBJECTS = xasprintf.$(OBJEXT) xstrdup.$(OBJEXT) \
 	xstrndup.$(OBJEXT) xmalloc.$(OBJEXT) next_prime.$(OBJEXT) \
 	crc32.$(OBJEXT) crc32_file.$(OBJEXT) eu-search.$(OBJEXT) \
-	color.$(OBJEXT) error.$(OBJEXT) printversion.$(OBJEXT)
+	error.$(OBJEXT)
 libeu_a_OBJECTS = $(am_libeu_a_OBJECTS)
 AM_V_P = $(am__v_P_@AM_V@)
 am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
@@ -424,10 +424,10 @@ textrel_check = if $(READELF) -d $@ | grep -F -q TEXTREL; then $(textrel_found);
 noinst_LIBRARIES = libeu.a
 libeu_a_SOURCES = xasprintf.c xstrdup.c xstrndup.c xmalloc.c next_prime.c \
 		  crc32.c crc32_file.c eu-search.c \
-		  color.c error.c printversion.c
+		  error.c
 
 noinst_HEADERS = fixedsizehash.h libeu.h system.h dynamicsizehash.h list.h \
-		 eu-config.h color.h printversion.h bpf.h \
+		 eu-config.h bpf.h \
 		 atomics.h stdatomic-fbsd.h dynamicsizehash_concurrent.h \
 		 eu-search.h locks.h