diff --git a/src/base/files/scoped_file_linux.cc b/src/base/files/scoped_file_linux.cc
index 5074ef4d90..9c00f893ae 100644
--- a/src/base/files/scoped_file_linux.cc
+++ b/src/base/files/scoped_file_linux.cc
@@ -82,6 +82,7 @@ bool IsFDOwned(int fd) {
 
 }  // namespace base
 
+#ifndef OPENWRT_BUILD_STATIC
 #if !defined(COMPONENT_BUILD)
 using LibcCloseFuncPtr = int (*)(int);
 
@@ -113,3 +114,4 @@ __attribute__((visibility("default"), noinline)) int close(int fd) {
 
 }  // extern "C"
 #endif  // !defined(COMPONENT_BUILD)
+#endif  // OPENWRT_BUILD_STATIC