diff --git a/.gitignore b/.gitignore
index 0aba3eb..86a0170 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,5 +9,3 @@ m17n-lib-1.6.1.tar.gz
 /m17n-lib-1.8.2.tar.gz
 /m17n-lib-1.8.3.tar.gz
 /m17n-lib-1.8.4.tar.gz
-/m17n-lib-1.8.5.tar.gz
-/m17n-lib-1.8.6.tar.gz
diff --git a/changelog b/changelog
index c27694a..a17d787 100644
--- a/changelog
+++ b/changelog
@@ -1,9 +1,3 @@
-* Thu Jan 25 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.4-3
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
-
-* Sun Jan 21 2024 Fedora Release Engineering <releng@fedoraproject.org> - 1.8.4-2
-- Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild
-
 * Wed Aug 23 2023 Mike FABIAN <mfabian@redhat.com> - 1.8.4-1
 - Update to 1.8.4
 - Fixes “typedef in m17n-core.h causing error when compiling with C++ code”
diff --git a/m17n-lib.spec b/m17n-lib.spec
index 58c646a..7754ca5 100644
--- a/m17n-lib.spec
+++ b/m17n-lib.spec
@@ -6,7 +6,7 @@
 %endif
 
 Name:           m17n-lib
-Version:        1.8.6
+Version:        1.8.4
 Release:        %autorelease
 Summary:        Multilingual text library
 
@@ -29,7 +29,7 @@ BuildRequires:  automake libtool
 Provides: bundled(gnulib)
 
 %if %{with anthy}
-BuildRequires:  anthy-unicode-devel
+BuildRequires:  anthy-devel
 %endif
 
 Requires:       m17n-db
@@ -120,7 +120,6 @@ find %{buildroot} -name '*.la' -exec rm -f {} ';'
 %{_bindir}/m17n-dump
 %{_bindir}/m17n-edit
 %{_bindir}/m17n-view
-%{_bindir}/m17n-input-test
 %{_libdir}/m17n/1.0/libm17n-X.so
 %{_libdir}/m17n/1.0/libm17n-gd.so
 %{_libdir}/libm17n-gui.so.*
diff --git a/sources b/sources
index 2a38cb9..eb1e9ea 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (m17n-lib-1.8.6.tar.gz) = 4fe3e9d2f88a90e8e9b30ee53a71612f937ab3d4c5243075f39de13818522e5c595840f67b3411b03d403affeafeb1802158b6ae8ddf80a1e695d1105b595a59
+SHA512 (m17n-lib-1.8.4.tar.gz) = 7e322788aed8a758a8c289112433aabccd12dacf14b247ba9060503bcc44930c9251f0c4e718987b9a151de097e72bc1e07c8096f7f4ad83a7d7183a549721d6