diff --git a/tools/expat/Makefile b/tools/expat/Makefile
index 8d3f5bf763..14425ed124 100644
--- a/tools/expat/Makefile
+++ b/tools/expat/Makefile
@@ -19,6 +19,9 @@ HOST_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/host-build.mk
 
+HOST_CONFIGURE_ARGS += \
+	--without-docbook
+
 define Host/Install
 	$(MAKE) -C $(HOST_BUILD_DIR) install
 endef