diff --git a/osdep/Phy.hpp b/osdep/Phy.hpp
index 4a71629cc..58c403ac2 100644
--- a/osdep/Phy.hpp
+++ b/osdep/Phy.hpp
@@ -50,7 +50,9 @@
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 
+#ifndef ZT_NO_METRICS
 #include "../node/Metrics.hpp"
+#endif
 
 #if defined(__linux__) || defined(linux) || defined(__LINUX__) || defined(__linux)
 #ifndef IPV6_DONTFRAG
@@ -476,7 +478,9 @@ public:
 				 	sizeof(struct sockaddr_in)) == (long)len);
 #endif
 		if (sent) {
+#ifndef ZT_NO_METRICS
 			Metrics::udp_send += len;
+#endif
 		}
 
 		return sent;
diff --git a/tcp-proxy/tcp-proxy.cpp b/tcp-proxy/tcp-proxy.cpp
index d57351987..a7d3309f5 100644
--- a/tcp-proxy/tcp-proxy.cpp
+++ b/tcp-proxy/tcp-proxy.cpp
@@ -41,6 +41,7 @@
 #include <algorithm>
 #include <vector>
 
+#define ZT_NO_METRICS 1
 #include "../osdep/Phy.hpp"
 
 #define ZT_TCP_PROXY_CONNECTION_TIMEOUT_SECONDS 300