diff --git a/meta/recipes-devtools/ruby/ruby_4.0.7.bb b/meta/recipes-devtools/ruby/ruby_4.0.7.bb
index 324de86f8c..d8dcde5fbb 100644
--- a/meta/recipes-devtools/ruby/ruby_4.0.7.bb
+++ b/meta/recipes-devtools/ruby/ruby_4.0.7.bb
@@ -91,6 +91,15 @@ ruby_scrub_rbconfig () {
            -e 's:${BASE_WORKDIR}/${MULTIMACH_TARGET_SYS}::g' \
         $rbconfig_rb
 
+    # Remove the build host triplet (build_os is the same on every host)
+    sed -i -e "s|'--build=${BUILD_SYS}' ||g" \
+           -e "s|'build_alias=${BUILD_SYS}' ||g" \
+           -e 's|^\([[:space:]]*CONFIG\["build_vendor"\] = \).*|\1""|' \
+           -e 's|^\([[:space:]]*CONFIG\["build_cpu"\] = \).*|\1""|' \
+           -e 's|^\([[:space:]]*CONFIG\["build"\] = \).*|\1""|' \
+           -e 's|^\([[:space:]]*CONFIG\["build_alias"\] = \).*|\1""|' \
+        $rbconfig_rb
+
     sed -i -e 's|${DEBUG_PREFIX_MAP}||g' \
         ${D}${libdir}/pkgconfig/*.pc