diff --git a/.mason b/.mason
index 1d5789dfa..d8597d944 160000
--- a/.mason
+++ b/.mason
@@ -1 +1 @@
-Subproject commit 1d5789dfadeffa5df8e58770e3326840d1e6d9c9
+Subproject commit d8597d944533dbb5e28d08dfdba22a82c93171b7
diff --git a/Makefile b/Makefile
index 59bd1dfef..61f2a4c0c 100644
--- a/Makefile
+++ b/Makefile
@@ -57,8 +57,11 @@ endif
 
 #### All platforms targets #####################################################
 
-.PHONY: linux xlinux run-linux run-xlinux
+.PHONY: linux run-linux run-valgrind-linux
 linux: ; $(RUN) Makefile/linuxapp
+run-linux: linux ; (cd build/linux-x86_64/$(BUILDTYPE) && ./mapbox-gl)
+run-valgrind-linux: linux
+	(cd build/linux-x86_64/$(BUILDTYPE) && valgrind --leak-check=full --suppressions=../../../scripts/valgrind.sup ./mapbox-gl)
 
 .PHONY: android android-lib
 # Builds a particular android architecture.
diff --git a/android/cpp/jni.cpp b/android/cpp/jni.cpp
index eee6bd8f6..6d7def861 100644
--- a/android/cpp/jni.cpp
+++ b/android/cpp/jni.cpp
@@ -409,14 +409,14 @@ void JNICALL nativeUpdate(JNIEnv *env, jobject obj, jlong nativeMapViewPtr) {
     mbgl::Log::Debug(mbgl::Event::JNI, "nativeUpdate");
     assert(nativeMapViewPtr != 0);
     NativeMapView *nativeMapView = reinterpret_cast<NativeMapView *>(nativeMapViewPtr);
-    nativeMapView->getMap().update();
+    nativeMapView->getMap().update(mbgl::Update::Repaint);
 }
 
-void JNICALL nativeOnInvalidate(JNIEnv *env, jobject obj, jlong nativeMapViewPtr, jboolean inProgress) {
+void JNICALL nativeOnInvalidate(JNIEnv *env, jobject obj, jlong nativeMapViewPtr) {
     mbgl::Log::Debug(mbgl::Event::JNI, "nativeOnInvalidate");
     assert(nativeMapViewPtr != 0);
     NativeMapView *nativeMapView = reinterpret_cast<NativeMapView *>(nativeMapViewPtr);
-    nativeMapView->onInvalidate(inProgress);
+    nativeMapView->onInvalidate();
 }
 
 void JNICALL nativeViewResize(JNIEnv *env, jobject obj, jlong nativeMapViewPtr, jint width, jint height) {
@@ -1440,7 +1440,7 @@ extern "C" JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
         {"nativePause", "(J)V", reinterpret_cast<void *>(&nativePause)},
         {"nativeResume", "(J)V", reinterpret_cast<void *>(&nativeResume)},
         {"nativeUpdate", "(J)V", reinterpret_cast<void *>(&nativeUpdate)},
-        {"nativeOnInvalidate", "(JZ)V", reinterpret_cast<void *>(&nativeOnInvalidate)},
+        {"nativeOnInvalidate", "(J)V", reinterpret_cast<void *>(&nativeOnInvalidate)},
         {"nativeViewResize", "(JII)V",
          reinterpret_cast<void *>(static_cast<void JNICALL (
              *)(JNIEnv *, jobject, jlong, jint, jint)>(&nativeViewResize))},
diff --git a/android/cpp/native_map_view.cpp b/android/cpp/native_map_view.cpp
index 351833a07..d0581212d 100644
--- a/android/cpp/native_map_view.cpp
+++ b/android/cpp/native_map_view.cpp
@@ -761,7 +761,7 @@ void NativeMapView::updateFps() {
     env = nullptr;
 }
 
-void NativeMapView::onInvalidate(bool inProgress) {
+void NativeMapView::onInvalidate() {
     mbgl::Log::Debug(mbgl::Event::Android, "NativeMapView::onInvalidate()");
 
     const bool dirty = !clean.test_and_set();
@@ -776,10 +776,8 @@ void NativeMapView::onInvalidate(bool inProgress) {
 
         map.setSourceTileCacheSize(cacheSize);
 
-        const bool needsRerender = map.renderSync();
-        if (!inProgress) {
-            map.nudgeTransitions(needsRerender);
-        }
+        map.renderSync();
+        map.nudgeTransitions();
     }
 }
 
@@ -792,6 +790,7 @@ void NativeMapView::resizeView(int w, int h) {
 void NativeMapView::resizeFramebuffer(int w, int h) {
     fbWidth = w;
     fbHeight = h;
+    map.update(mbgl::Update::Repaint);
 }
 
 }
diff --git a/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/views/MapView.java b/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/views/MapView.java
index 2fbc0ccb5..303ccd9da 100644
--- a/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/views/MapView.java
+++ b/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/views/MapView.java
@@ -1365,8 +1365,7 @@ public class MapView extends FrameLayout implements LocationListener {
         post(new Runnable() {
             @Override
             public void run() {
-                boolean inProgress = mRotateGestureDetector.isInProgress() || mScaleGestureDetector.isInProgress();
-                mNativeMapView.invalidate(inProgress);
+                mNativeMapView.invalidate();
             }
         });
     }
diff --git a/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/views/NativeMapView.java b/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/views/NativeMapView.java
index cc65de52f..774c20a05 100644
--- a/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/views/NativeMapView.java
+++ b/android/java/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxgl/views/NativeMapView.java
@@ -96,8 +96,8 @@ class NativeMapView {
         nativeUpdate(mNativeMapViewPtr);
     }
 
-    public void invalidate(boolean inProgress) {
-        nativeOnInvalidate(mNativeMapViewPtr, inProgress);
+    public void invalidate() {
+        nativeOnInvalidate(mNativeMapViewPtr);
     }
 
     public void resizeView(int width, int height) {
@@ -463,7 +463,7 @@ class NativeMapView {
 
     private native void nativeUpdate(long nativeMapViewPtr);
 
-    private native void nativeOnInvalidate(long nativeMapViewPtr, boolean inProgress);
+    private native void nativeOnInvalidate(long nativeMapViewPtr);
 
     private native void nativeViewResize(long nativeMapViewPtr, int width, int height);
 
diff --git a/include/mbgl/android/native_map_view.hpp b/include/mbgl/android/native_map_view.hpp
index 1ea67a0da..3ae3d6ed9 100644
--- a/include/mbgl/android/native_map_view.hpp
+++ b/include/mbgl/android/native_map_view.hpp
@@ -49,7 +49,7 @@ public:
     void enableFps(bool enable);
     void updateFps();
 
-    void onInvalidate(bool inProgress);
+    void onInvalidate();
 
     void resizeView(int width, int height);
     void resizeFramebuffer(int width, int height);
diff --git a/include/mbgl/map/map.hpp b/include/mbgl/map/map.hpp
index 6e24d177a..ae43dc8a8 100644
--- a/include/mbgl/map/map.hpp
+++ b/include/mbgl/map/map.hpp
@@ -66,14 +66,14 @@ public:
     using StillImageCallback = std::function<void(std::exception_ptr, std::unique_ptr<const StillImage>)>;
     void renderStill(StillImageCallback callback);
 
-    // Triggers a synchronous or asynchronous render.
-    bool renderSync();
+    // Triggers a synchronous render.
+    void renderSync();
 
-    // Nudges transitions one step, possibly notifying of the need for a rerender.
-    void nudgeTransitions(bool forceRerender);
+    // Nudges transitions one step, possibly notifying of the need for a rerender, if any.
+    void nudgeTransitions();
 
     // Notifies the Map thread that the state has changed and an update might be necessary.
-    void update(Update update = Update::Nothing);
+    void update(Update update);
 
     // Styling
     void addClass(const std::string&);
diff --git a/include/mbgl/map/update.hpp b/include/mbgl/map/update.hpp
index d2d6133bc..d5978d80b 100644
--- a/include/mbgl/map/update.hpp
+++ b/include/mbgl/map/update.hpp
@@ -14,6 +14,7 @@ enum class Update : UpdateType {
     Classes                   = 1 << 3,
     Zoom                      = 1 << 4,
     RenderStill               = 1 << 5,
+    Repaint                   = 1 << 6,
 };
 
 }
diff --git a/platform/default/glfw_view.cpp b/platform/default/glfw_view.cpp
index fb08b9234..078c26fee 100644
--- a/platform/default/glfw_view.cpp
+++ b/platform/default/glfw_view.cpp
@@ -288,7 +288,7 @@ void GLFWView::onFramebufferResize(GLFWwindow *window, int width, int height) {
     view->fbWidth = width;
     view->fbHeight = height;
 
-    view->map->update();
+    view->map->update(mbgl::Update::Repaint);
 }
 
 void GLFWView::onMouseClick(GLFWwindow *window, int button, int action, int modifiers) {
@@ -336,11 +336,8 @@ void GLFWView::run() {
         glfwWaitEvents();
         const bool dirty = !clean.test_and_set();
         if (dirty) {
-            const bool needsRerender = map->renderSync();
-            GLFWView *view = reinterpret_cast<GLFWView *>(glfwGetWindowUserPointer(window));
-            if (!view->tracking || !view->rotating) {
-                map->nudgeTransitions(needsRerender);
-            }
+            map->renderSync();
+            map->nudgeTransitions();
         }
     }
 }
diff --git a/platform/default/png_reader.cpp b/platform/default/png_reader.cpp
index 42b694609..ede7e52be 100644
--- a/platform/default/png_reader.cpp
+++ b/platform/default/png_reader.cpp
@@ -160,8 +160,6 @@ void PngReader<T>::read(unsigned x0, unsigned y0, unsigned w, unsigned h, char *
 
 #ifdef PNG_ALPHA_PREMULTIPLIED
     png_set_alpha_mode(png_ptr, PNG_ALPHA_PREMULTIPLIED, PNG_GAMMA_LINEAR);
-#else
-    // TODO: Manually premultiply the image data.
 #endif
 
     if (x0 == 0 && y0 == 0 && w >= width_ && h >= height_)
@@ -180,6 +178,19 @@ void PngReader<T>::read(unsigned x0, unsigned y0, unsigned w, unsigned h, char *
         for (unsigned row = 0; row < height_; ++row)
             rows[row] = (png_bytep)image + row * width_ * 4 ;
         png_read_image(png_ptr, rows.get());
+
+#ifndef PNG_ALPHA_PREMULTIPLIED
+        // Manually premultiply the image if libpng didn't do it for us.
+        for (unsigned row = 0; row < height_; ++row) {
+            for (unsigned x = 0; x < width_; x++) {
+                png_byte* ptr = &(rows[row][x * 4]);
+                const float a = ptr[3] / 255.0f;
+                ptr[0] *= a;
+                ptr[1] *= a;
+                ptr[2] *= a;
+            }
+        }
+#endif
     }
     else
     {
@@ -193,6 +204,7 @@ void PngReader<T>::read(unsigned x0, unsigned y0, unsigned w, unsigned h, char *
             png_read_row(png_ptr,row.get(),0);
             if (i >= y0 && i < (y0 + h))
             {
+                // TODO: premultiply this
                 std::copy(&row[x0 * 4], &row[x0 * 4] + w * 4, image + i * width_* 4);
             }
         }
diff --git a/platform/ios/MGLMapView.mm b/platform/ios/MGLMapView.mm
index e95305d0c..81338f288 100644
--- a/platform/ios/MGLMapView.mm
+++ b/platform/ios/MGLMapView.mm
@@ -710,17 +710,11 @@ std::chrono::steady_clock::duration secondsAsDuration(float duration)
 
         _mbglMap->setSourceTileCacheSize(cacheSize);
 
-        bool needsRerender = _mbglMap->renderSync();
+        _mbglMap->renderSync();
 
         [self updateUserLocationAnnotationView];
 
-        // don't nudge transitions if in the midst of a gesture.
-        if (self.pan.state       == UIGestureRecognizerStateChanged ||
-            self.pinch.state     == UIGestureRecognizerStateChanged ||
-            self.rotate.state    == UIGestureRecognizerStateChanged ||
-            self.quickZoom.state == UIGestureRecognizerStateChanged) return;
-
-        _mbglMap->nudgeTransitions(needsRerender);
+        _mbglMap->nudgeTransitions();
     }
 }
 
diff --git a/src/mbgl/map/map.cpp b/src/mbgl/map/map.cpp
index f357c05e8..fadd4c48d 100644
--- a/src/mbgl/map/map.cpp
+++ b/src/mbgl/map/map.cpp
@@ -48,36 +48,34 @@ void Map::renderStill(StillImageCallback callback) {
                     FrameData{ view.getFramebufferSize() }, callback);
 }
 
-bool Map::renderSync() {
+void Map::renderSync() {
     if (renderState == RenderState::never) {
         view.notifyMapChange(MapChangeWillStartRenderingMap);
     }
 
     view.notifyMapChange(MapChangeWillStartRenderingFrame);
 
-    MapContext::RenderResult result = context->invokeSync<MapContext::RenderResult>(
-        &MapContext::renderSync, transform->getState(), FrameData{ view.getFramebufferSize() });
+    const bool fullyLoaded = context->invokeSync<bool>(
+            &MapContext::renderSync, transform->getState(), FrameData { view.getFramebufferSize() });
 
-    view.notifyMapChange(result.fullyLoaded ?
+    view.notifyMapChange(fullyLoaded ?
         MapChangeDidFinishRenderingFrameFullyRendered :
         MapChangeDidFinishRenderingFrame);
 
-    if (!result.fullyLoaded) {
+    if (!fullyLoaded) {
         renderState = RenderState::partial;
     } else if (renderState != RenderState::fully) {
         renderState = RenderState::fully;
         view.notifyMapChange(MapChangeDidFinishRenderingMapFullyRendered);
     }
-
-    return result.needsRerender;
 }
 
-void Map::nudgeTransitions(bool forceRerender) {
-    if (transform->needsTransition()) {
-        update(Update(transform->updateTransitions(Clock::now())));
-    } else if (forceRerender) {
-        update();
+void Map::nudgeTransitions() {
+    UpdateType update_ = transform->updateTransitions(Clock::now());
+    if (data->getNeedsRepaint()) {
+        update_ |= static_cast<UpdateType>(Update::Repaint);
     }
+    update(Update(update_));
 }
 
 void Map::update(Update update_) {
@@ -110,24 +108,24 @@ std::string Map::getStyleJSON() const {
 
 void Map::cancelTransitions() {
     transform->cancelTransitions();
-    update();
+    update(Update::Repaint);
 }
 
 void Map::setGestureInProgress(bool inProgress) {
     transform->setGestureInProgress(inProgress);
-    update();
+    update(Update::Repaint);
 }
 
 #pragma mark - Position
 
 void Map::moveBy(double dx, double dy, const Duration& duration) {
     transform->moveBy(dx, dy, duration);
-    update();
+    update(Update::Repaint);
 }
 
 void Map::setLatLng(LatLng latLng, const Duration& duration) {
     transform->setLatLng(latLng, duration);
-    update();
+    update(Update::Repaint);
 }
 
 LatLng Map::getLatLng() const {
@@ -249,17 +247,17 @@ uint16_t Map::getHeight() const {
 
 void Map::rotateBy(double sx, double sy, double ex, double ey, const Duration& duration) {
     transform->rotateBy(sx, sy, ex, ey, duration);
-    update();
+    update(Update::Repaint);
 }
 
 void Map::setBearing(double degrees, const Duration& duration) {
     transform->setAngle(-degrees * M_PI / 180, duration);
-    update();
+    update(Update::Repaint);
 }
 
 void Map::setBearing(double degrees, double cx, double cy) {
     transform->setAngle(-degrees * M_PI / 180, cx, cy);
-    update();
+    update(Update::Repaint);
 }
 
 double Map::getBearing() const {
@@ -268,7 +266,7 @@ double Map::getBearing() const {
 
 void Map::resetNorth() {
     transform->setAngle(0, std::chrono::milliseconds(500));
-    update();
+    update(Update::Repaint);
 }
 
 
@@ -365,12 +363,12 @@ void Map::removeSprite(const std::string& name) {
 
 void Map::setDebug(bool value) {
     data->setDebug(value);
-    update();
+    update(Update::Repaint);
 }
 
 void Map::toggleDebug() {
     data->toggleDebug();
-    update();
+    update(Update::Repaint);
 }
 
 bool Map::getDebug() const {
@@ -379,12 +377,12 @@ bool Map::getDebug() const {
 
 void Map::setCollisionDebug(bool value) {
     data->setCollisionDebug(value);
-    update();
+    update(Update::Repaint);
 }
 
 void Map::toggleCollisionDebug() {
     data->toggleCollisionDebug();
-    update();
+    update(Update::Repaint);
 }
 
 bool Map::getCollisionDebug() const {
diff --git a/src/mbgl/map/map_context.cpp b/src/mbgl/map/map_context.cpp
index 56bca24af..33e4e6d18 100644
--- a/src/mbgl/map/map_context.cpp
+++ b/src/mbgl/map/map_context.cpp
@@ -35,7 +35,8 @@ MapContext::MapContext(View& view_, FileSource& fileSource, MapData& data_)
       data(data_),
       updated(static_cast<UpdateType>(Update::Nothing)),
       asyncUpdate(std::make_unique<uv::async>(util::RunLoop::getLoop(), [this] { update(); })),
-      texturePool(std::make_unique<TexturePool>()) {
+      texturePool(std::make_unique<TexturePool>()),
+      viewInvalidated(false) {
     assert(util::ThreadContext::currentlyOn(util::ThreadType::Map));
 
     util::ThreadContext::setFileSource(&fileSource);
@@ -255,6 +256,9 @@ void MapContext::update() {
 
     if (!style) {
         updated = static_cast<UpdateType>(Update::Nothing);
+    }
+
+    if (updated == static_cast<UpdateType>(Update::Nothing)) {
         return;
     }
 
@@ -272,15 +276,15 @@ void MapContext::update() {
     style->update(transformState, *texturePool);
 
     if (data.mode == MapMode::Continuous) {
-        view.invalidate();
-    } else if (callback && style->isLoaded()) {
+        invalidateView();
+    } else if (callback && isLoaded()) {
         renderSync(transformState, frameData);
     }
 
     updated = static_cast<UpdateType>(Update::Nothing);
 }
 
-void MapContext::renderStill(const TransformState& state, const FrameData& frame, StillImageCallback fn) {
+void MapContext::renderStill(const TransformState& state, const FrameData& frame, Map::StillImageCallback fn) {
     if (!fn) {
         Log::Error(Event::General, "StillImageCallback not set");
         return;
@@ -314,12 +318,12 @@ void MapContext::renderStill(const TransformState& state, const FrameData& frame
     asyncUpdate->send();
 }
 
-MapContext::RenderResult MapContext::renderSync(const TransformState& state, const FrameData& frame) {
+bool MapContext::renderSync(const TransformState& state, const FrameData& frame) {
     assert(util::ThreadContext::currentlyOn(util::ThreadType::Map));
 
     // Style was not loaded yet.
     if (!style) {
-        return { false, false };
+        return false;
     }
 
     transformState = state;
@@ -342,10 +346,13 @@ MapContext::RenderResult MapContext::renderSync(const TransformState& state, con
 
     view.swap();
 
-    return RenderResult {
-        style->isLoaded(),
-        style->hasTransitions() || painter->needsAnimation()
-    };
+    viewInvalidated = false;
+
+    if (style->hasTransitions() || painter->needsAnimation()) {
+        data.setNeedsRepaint(true);
+    }
+
+    return isLoaded();
 }
 
 bool MapContext::isLoaded() const {
@@ -370,7 +377,7 @@ void MapContext::setSourceTileCacheSize(size_t size) {
         for (const auto &source : style->sources) {
             source->setCacheSize(sourceCacheSize);
         }
-        view.invalidate();
+        invalidateView();
     }
 }
 
@@ -380,7 +387,7 @@ void MapContext::onLowMemory() {
     for (const auto &source : style->sources) {
         source->onLowMemory();
     }
-    view.invalidate();
+    invalidateView();
 }
 
 void MapContext::setSprite(const std::string& name, std::shared_ptr<const SpriteImage> sprite) {
@@ -396,6 +403,8 @@ void MapContext::setSprite(const std::string& name, std::shared_ptr<const Sprite
 
 void MapContext::onTileDataChanged() {
     assert(util::ThreadContext::currentlyOn(util::ThreadType::Map));
+
+    updated |= static_cast<UpdateType>(Update::Repaint);
     asyncUpdate->send();
 }
 
@@ -408,4 +417,11 @@ void MapContext::onResourceLoadingFailed(std::exception_ptr error) {
     }
 }
 
+void MapContext::invalidateView() {
+    if (!viewInvalidated) {
+        viewInvalidated = true;
+        view.invalidate();
+    }
+}
+
 }
diff --git a/src/mbgl/map/map_context.hpp b/src/mbgl/map/map_context.hpp
index 8c8c90ff8..215f5d377 100644
--- a/src/mbgl/map/map_context.hpp
+++ b/src/mbgl/map/map_context.hpp
@@ -4,6 +4,7 @@
 #include <mbgl/map/tile_id.hpp>
 #include <mbgl/map/update.hpp>
 #include <mbgl/map/transform_state.hpp>
+#include <mbgl/map/map.hpp>
 #include <mbgl/style/style.hpp>
 #include <mbgl/util/gl_object_store.hpp>
 #include <mbgl/util/ptr.hpp>
@@ -37,18 +38,13 @@ public:
     MapContext(View&, FileSource&, MapData&);
     ~MapContext();
 
-    struct RenderResult {
-        bool fullyLoaded;
-        bool needsRerender;
-    };
-
     void pause();
 
-    using StillImageCallback = std::function<void(std::exception_ptr, std::unique_ptr<const StillImage>)>;
-
     void triggerUpdate(const TransformState&, Update = Update::Nothing);
-    void renderStill(const TransformState&, const FrameData&, StillImageCallback callback);
-    RenderResult renderSync(const TransformState&, const FrameData&);
+    void renderStill(const TransformState&, const FrameData&, Map::StillImageCallback callback);
+
+    // Triggers a synchronous render. Returns true if style has been fully loaded.
+    bool renderSync(const TransformState&, const FrameData&);
 
     void setStyleURL(const std::string&);
     void setStyleJSON(const std::string& json, const std::string& base);
@@ -78,6 +74,8 @@ private:
     // Loads the actual JSON object an creates a new Style object.
     void loadStyleJSON(const std::string& json, const std::string& base);
 
+    void invalidateView();
+
     View& view;
     MapData& data;
 
@@ -95,10 +93,11 @@ private:
 
     Request* styleRequest = nullptr;
 
-    StillImageCallback callback;
+    Map::StillImageCallback callback;
     size_t sourceCacheSize;
     TransformState transformState;
     FrameData frameData;
+    bool viewInvalidated;
 };
 
 }
diff --git a/src/mbgl/map/map_data.hpp b/src/mbgl/map/map_data.hpp
index aadc8dcd6..9eac6162e 100644
--- a/src/mbgl/map/map_data.hpp
+++ b/src/mbgl/map/map_data.hpp
@@ -101,6 +101,14 @@ public:
         defaultTransitionDelay = delay;
     }
 
+    inline bool getNeedsRepaint() const {
+        return needsRepaint;
+    }
+
+    inline void setNeedsRepaint(const bool needsRepaint_) {
+        needsRepaint = needsRepaint_;
+    }
+
     util::exclusive<AnnotationManager> getAnnotationManager() {
         return util::exclusive<AnnotationManager>(
             &annotationManager,
@@ -124,6 +132,7 @@ private:
     std::atomic<Duration> defaultFadeDuration;
     std::atomic<Duration> defaultTransitionDuration;
     std::atomic<Duration> defaultTransitionDelay;
+    std::atomic<bool> needsRepaint;
 
 // TODO: make private
 public:
diff --git a/src/mbgl/map/transform.cpp b/src/mbgl/map/transform.cpp
index 08cca3db2..29ca54d78 100644
--- a/src/mbgl/map/transform.cpp
+++ b/src/mbgl/map/transform.cpp
@@ -377,10 +377,6 @@ void Transform::startTransition(std::function<Update(double)> frame,
     transitionFinishFn = finish;
 }
 
-bool Transform::needsTransition() const {
-    return !!transitionFrameFn;
-}
-
 UpdateType Transform::updateTransitions(const TimePoint& now) {
     return static_cast<UpdateType>(transitionFrameFn ? transitionFrameFn(now) : Update::Nothing);
 }
diff --git a/src/mbgl/map/transform.hpp b/src/mbgl/map/transform.hpp
index badb811af..f4a78bbcb 100644
--- a/src/mbgl/map/transform.hpp
+++ b/src/mbgl/map/transform.hpp
@@ -42,7 +42,6 @@ public:
     double getAngle() const;
 
     // Transitions
-    bool needsTransition() const;
     UpdateType updateTransitions(const TimePoint& now);
     void cancelTransitions();