diff --git a/cmake/modules/kconfig.cmake b/cmake/modules/kconfig.cmake
index 97086cdf19d..02bebbe0851 100644
--- a/cmake/modules/kconfig.cmake
+++ b/cmake/modules/kconfig.cmake
@@ -171,7 +171,6 @@ set(COMMON_KCONFIG_ENV_SETTINGS
   TOOLCHAIN_KCONFIG_DIR=${TOOLCHAIN_KCONFIG_DIR}
   TOOLCHAIN_HAS_NEWLIB=${_local_TOOLCHAIN_HAS_NEWLIB}
   TOOLCHAIN_HAS_PICOLIBC=${_local_TOOLCHAIN_HAS_PICOLIBC}
-  HIDE_CHILD_PARENT_CONFIG=${SYSBUILD}
   EDT_PICKLE=${EDT_PICKLE}
   # Export all Zephyr modules to Kconfig
   ${ZEPHYR_KCONFIG_MODULES_DIR}