diff --git a/package/python-libconfig/python-libconfig.mk b/package/python-libconfig/python-libconfig.mk
index 2db7e99cf3..c7d87f408a 100644
--- a/package/python-libconfig/python-libconfig.mk
+++ b/package/python-libconfig/python-libconfig.mk
@@ -14,14 +14,8 @@ PYTHON_LIBCONFIG_SETUP_TYPE = setuptools
 
 PYTHON_LIBCONFIG_DEPENDENCIES = libconfig boost
 
-ifeq ($(BR2_PACKAGE_PYTHON),y)
-PYTHON_LIBCONFIG_PYVER = $(PYTHON_VERSION_MAJOR)
-else ifeq ($(BR2_PACKAGE_PYTHON3),y)
-PYTHON_LIBCONFIG_PYVER = $(PYTHON3_VERSION_MAJOR)
-endif
-
 define PYTHON_LIBCONFIG_FIX_SETUP
-	$(SED) 's/boost_python/boost_python$(subst .,,$(PYTHON_LIBCONFIG_PYVER))/g' \
+	$(SED) 's/boost_python/boost_python$(subst .,,$(PYTHON3_VERSION_MAJOR))/g' \
 		$(@D)/setup.py
 endef
 PYTHON_LIBCONFIG_POST_PATCH_HOOKS += PYTHON_LIBCONFIG_FIX_SETUP