diff --git a/include/mbgl/util/chrono.hpp b/include/mbgl/util/chrono.hpp
index 219b82753..8e0da1419 100644
--- a/include/mbgl/util/chrono.hpp
+++ b/include/mbgl/util/chrono.hpp
@@ -18,31 +18,6 @@ using Duration  = Clock::duration;
 using SystemTimePoint = SystemClock::time_point;
 using SystemDuration = SystemClock::duration;
 
-template <class _Clock, class _Duration>
-_Duration toDuration(std::chrono::time_point<_Clock, _Duration> time_point) {
-    return time_point.time_since_epoch();
-}
-
-template <class _Duration>
-Seconds asSeconds(_Duration duration) {
-    return std::chrono::duration_cast<Seconds>(duration);
-}
-
-template <class _Clock, class _Duration>
-Seconds toSeconds(std::chrono::time_point<_Clock, _Duration> time_point) {
-    return asSeconds(toDuration<_Clock, _Duration>(time_point));
-}
-
-template <class _Duration>
-Milliseconds asMilliseconds(_Duration duration) {
-    return std::chrono::duration_cast<Milliseconds>(duration);
-}
-
-template <class _Clock, class _Duration>
-Milliseconds toMilliseconds(std::chrono::time_point<_Clock, _Duration> time_point) {
-    return asMilliseconds(toDuration<_Clock, _Duration>(time_point));
-}
-
 namespace util {
 
 // Returns the RFC1123 formatted date. E.g. "Tue, 04 Nov 2014 02:13:24 GMT"
diff --git a/src/mbgl/util/chrono.cpp b/src/mbgl/util/chrono.cpp
index f0b3f8819..df5175b39 100644
--- a/src/mbgl/util/chrono.cpp
+++ b/src/mbgl/util/chrono.cpp
@@ -5,22 +5,6 @@
 #include <cstdio>
 
 namespace mbgl {
-
-template Duration toDuration<Clock, Duration>(TimePoint);
-template SystemDuration toDuration<SystemClock, SystemDuration>(SystemTimePoint);
-
-template Seconds asSeconds<Duration>(Duration);
-template Seconds asSeconds<Milliseconds>(Milliseconds);
-
-template Seconds toSeconds<Clock, Duration>(TimePoint);
-template Seconds toSeconds<SystemClock, SystemDuration>(SystemTimePoint);
-
-template Milliseconds asMilliseconds<Duration>(Duration);
-template Milliseconds asMilliseconds<Seconds>(Seconds);
-
-template Milliseconds toMilliseconds<Clock, Duration>(TimePoint);
-template Milliseconds toMilliseconds<SystemClock, SystemDuration>(SystemTimePoint);
-
 namespace util {
 
 static const char *week[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};