--- a/src/leveldb/util/env_posix.cc
+++ b/src/leveldb/util/env_posix.cc
@@ -28,6 +28,12 @@
 #include "util/posix_logger.h"
 #include "util/env_posix_test_helper.h"
 
+#if defined __ANDROID__ && __ANDROID_API__ < 28
+#define fread_unlocked fread
+#define fwrite_unlocked fwrite
+#define fflush_unlocked fflush
+#endif
+
 namespace leveldb {
 
 namespace {