diff --git a/Misc/NEWS.d/next/Build/2026-08-10-12-00-00.gh-issue-90604.Kx7pQn.rst b/Misc/NEWS.d/next/Build/2026-08-10-12-00-00.gh-issue-90604.Kx7pQn.rst
new file mode 100644
index 00000000000000..a367e2aef4ac59
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2026-08-10-12-00-00.gh-issue-90604.Kx7pQn.rst
@@ -0,0 +1 @@
+``configure`` no longer sets ``MULTIARCH`` on OpenBSD platforms.
diff --git a/configure b/configure
index 836eb88e4cdb6e..e81b221faded67 100755
--- a/configure
+++ b/configure
@@ -7376,6 +7376,8 @@ case $ac_sys_system in #(
     MULTIARCH="" ;; #(
   FreeBSD*) :
     MULTIARCH="" ;; #(
+  OpenBSD*) :
+    MULTIARCH="" ;; #(
   *) :
     MULTIARCH=$($CC --print-multiarch 2>/dev/null)
  ;;
diff --git a/configure.ac b/configure.ac
index 3a9841b1e7d074..36568288388555 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1202,6 +1202,7 @@ AS_CASE([$ac_sys_system],
   [Darwin*], [MULTIARCH=""],
   [iOS], [MULTIARCH=""],
   [FreeBSD*], [MULTIARCH=""],
+  [OpenBSD*], [MULTIARCH=""],
   [MULTIARCH=$($CC --print-multiarch 2>/dev/null)]
 )
 AC_SUBST([MULTIARCH])