diff --git a/UPGRADING.INTERNALS b/UPGRADING.INTERNALS
index 50bc4c9fbea07..d393e66a4a0e5 100644
--- a/UPGRADING.INTERNALS
+++ b/UPGRADING.INTERNALS
@@ -62,6 +62,7 @@ PHP 8.4 INTERNALS UPGRADE NOTES
      8.0).
    - Symbol DARWIN has been removed (use __APPLE__ to target Darwin systems).
    - Symbol MISSING_FCLOSE_DECL and M4 macro PHP_MISSING_FCLOSE_DECL removed.
+   - Symbol HAVE_BSD_ICONV has been removed.
 
  c. Windows build system changes
    - The configure options --with-oci8-11g, --with-oci8-12c, --with-oci8-19 have
diff --git a/ext/iconv/config.m4 b/ext/iconv/config.m4
index 63221eddb0b58..e29642969e517 100644
--- a/ext/iconv/config.m4
+++ b/ext/iconv/config.m4
@@ -72,7 +72,6 @@ int main(void) {
         ;;
 
       bsd [)]
-        AC_DEFINE([HAVE_BSD_ICONV],1,[Konstantin Chuguev's iconv implementation])
         AC_DEFINE([PHP_ICONV_IMPL],["BSD iconv"],[Which iconv implementation to use])
         ;;