diff --git a/quiche/quic/core/quic_udp_socket.cc b/quiche/quic/core/quic_udp_socket.cc
index c114985..4484678 100644
--- a/quiche/quic/core/quic_udp_socket.cc
+++ b/quiche/quic/core/quic_udp_socket.cc
@@ -172,7 +172,7 @@
 }
 
 bool QuicUdpSocketApi::EnableReceiveTimestamp(QuicUdpSocketFd fd) {
-#if defined(__linux__) && (!defined(__ANDROID_API__) || __ANDROID_API__ >= 21)
+#if defined(QUIC_UDP_SOCKET_SUPPORT_LINUX_TIMESTAMPING)
   int timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | SOF_TIMESTAMPING_SOFTWARE;
   return 0 == setsockopt(fd, SOL_SOCKET, SO_TIMESTAMPING, &timestamping,
                          sizeof(timestamping));
diff --git a/quiche/quic/core/quic_udp_socket_posix.inc b/quiche/quic/core/quic_udp_socket_posix.inc
index a54793a..1cbf252 100644
--- a/quiche/quic/core/quic_udp_socket_posix.inc
+++ b/quiche/quic/core/quic_udp_socket_posix.inc
@@ -39,7 +39,7 @@
 
 constexpr int kIpv6RecvPacketInfo = IPV6_RECVPKTINFO;
 
-#if defined(__linux__) && (!defined(__ANDROID_API__) || __ANDROID_API__ >= 21)
+#if defined(__linux__) && !defined(__ANDROID_API__)
 #define QUIC_UDP_SOCKET_SUPPORT_LINUX_TIMESTAMPING 1
 // This is the structure that SO_TIMESTAMPING fills into the cmsg header.
 // It is well-defined, but does not have a definition in a public header.