From c9cb17fab28419350ca854bec69c74530b20076c Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Sat, 7 Feb 2026 22:51:02 +0900
Subject: Omit version check of Unicode headers

These headers are stored in directories labeled with the current
Unicode version, so no worry about headers for different versions
being mixed together.
---
 common.mk | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/common.mk b/common.mk
index 7081b7d4b2..0c62784971 100644
--- a/common.mk
+++ b/common.mk
@@ -940,14 +940,6 @@ rbconfig.rb: $(RBCONFIG)
 
 $(HAVE_BASERUBY:no=)$(RBCONFIG)$(HAVE_BASERUBY:no=): $(PREP)
 $(RBCONFIG): $(tooldir)/mkconfig.rb config.status $(srcdir)/version.h $(srcdir)/common.mk
-$(RBCONFIG): unicode-version
-
-unicode-version:
-	$(Q)$(BOOTSTRAPRUBY) -n \
-	-e 'BEGIN{version=ARGV.shift;mis=ARGV.dup}' \
-	-e 'END{abort "UNICODE version mismatch: #{mis}" unless mis.empty?}' \
-	-e '(mis.delete(ARGF.path); ARGF.close) if /ONIG_UNICODE_VERSION_STRING +"#{Regexp.quote(version)}"/o' \
-	$(UNICODE_VERSION) $(UNICODE_DATA_HEADERS)
 
 $(RBCONFIG):
 	$(Q)$(BOOTSTRAPRUBY) $(tooldir)/mkconfig.rb \
-- 
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