diff --git a/BUILD.gn b/BUILD.gn
index 5990c6a..11de636 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -112,15 +112,12 @@ ohos_static_library("libpcre2_static") {
   deps = [ ":publish_generic_file" ]
   output_name = "libpcre2_static"
   sources = pcre2_sources
-  sources -= [ "$PCRE2_LIB_DIR/src/pcre2_newline.c" ]
-  sources += [ "$PCRE2_ARKTS_DIR/pcre2_newline_static.c" ]
   sources += get_target_outputs(":publish_generic_file")
   public_configs = [ ":third_party_pcre2_config" ]
   cflags = [
     "-D_GNU_SOURCE",
     "-DHAVE_CONFIG_H",
     "-DSUPPORT_PCRE2_8=1",
-    "-DSUPPORT_UNICODE=1",
     "-DPCRE2_CODE_UNIT_WIDTH=8",
     "-w",
   ]