diff --git a/include/binder/Parcel.h b/include/binder/Parcel.h
index bd58568..98b9835 100644
--- a/include/binder/Parcel.h
+++ b/include/binder/Parcel.h
@@ -477,7 +477,7 @@
     class FlattenableHelper : public FlattenableHelperInterface {
         friend class Parcel;
         const Flattenable<T>& val;
-        explicit FlattenableHelper(const Flattenable<T>& val) : val(val) { }
+        explicit FlattenableHelper(const Flattenable<T>& _val) : val(_val) { }
 
     public:
         virtual size_t getFlattenedSize() const {
diff --git a/include/gui/IGraphicBufferProducer.h b/include/gui/IGraphicBufferProducer.h
index 40579c2..9bf284b 100644
--- a/include/gui/IGraphicBufferProducer.h
+++ b/include/gui/IGraphicBufferProducer.h
@@ -303,12 +303,13 @@
         //         set this to Fence::NO_FENCE if the buffer is ready immediately
         // sticky - the sticky transform set in Surface (only used by the LEGACY
         //          camera mode).
-        inline QueueBufferInput(int64_t timestamp, bool isAutoTimestamp,
-                android_dataspace dataSpace, const Rect& crop, int scalingMode,
-                uint32_t transform, const sp<Fence>& fence, uint32_t sticky = 0)
-                : timestamp(timestamp), isAutoTimestamp(isAutoTimestamp),
-                  dataSpace(dataSpace), crop(crop), scalingMode(scalingMode),
-                  transform(transform), stickyTransform(sticky), fence(fence),
+        inline QueueBufferInput(int64_t _timestamp, bool _isAutoTimestamp,
+                android_dataspace _dataSpace, const Rect& _crop,
+                int _scalingMode, uint32_t _transform, const sp<Fence>& _fence,
+                uint32_t _sticky = 0)
+                : timestamp(_timestamp), isAutoTimestamp(_isAutoTimestamp),
+                  dataSpace(_dataSpace), crop(_crop), scalingMode(_scalingMode),
+                  transform(_transform), stickyTransform(_sticky), fence(_fence),
                   surfaceDamage() { }
         inline void deflate(int64_t* outTimestamp, bool* outIsAutoTimestamp,
                 android_dataspace* outDataSpace,
diff --git a/include/private/ui/RegionHelper.h b/include/private/ui/RegionHelper.h
index 83b05c7..c7c3160 100644
--- a/include/private/ui/RegionHelper.h
+++ b/include/private/ui/RegionHelper.h
@@ -53,10 +53,10 @@
         TYPE dy;
         inline region(const region& rhs) 
             : rects(rhs.rects), count(rhs.count), dx(rhs.dx), dy(rhs.dy) { }
-        inline region(RECT const* r, size_t c) 
-            : rects(r), count(c), dx(), dy() { }
-        inline region(RECT const* r, size_t c, TYPE dx, TYPE dy) 
-            : rects(r), count(c), dx(dx), dy(dy) { }
+        inline region(RECT const* _r, size_t _c)
+            : rects(_r), count(_c), dx(), dy() { }
+        inline region(RECT const* _r, size_t _c, TYPE _dx, TYPE _dy)
+            : rects(_r), count(_c), dx(_dx), dy(_dy) { }
     };
 
     class region_rasterizer {
@@ -79,8 +79,8 @@
             spannerInner.prepare(inside);
             do {
                 TYPE left, right;
-                int inside = spannerInner.next(current.left, current.right);
-                if ((op_mask >> inside) & 1) {
+                int inner_inside = spannerInner.next(current.left, current.right);
+                if ((op_mask >> inner_inside) & 1) {
                     if (current.left < current.right && 
                             current.top < current.bottom) {
                         rasterizer(current);
@@ -162,8 +162,8 @@
         region rhs;
 
     public:
-        inline Spanner(const region& lhs, const region& rhs)
-        : lhs(lhs), rhs(rhs)
+        inline Spanner(const region& _lhs, const region& _rhs)
+        : lhs(_lhs), rhs(_rhs)
         {
             if (lhs.count) {
                 SpannerBase::lhs_head = lhs.rects->top      + lhs.dy;
@@ -223,8 +223,8 @@
         region rhs;
         
     public:
-        inline SpannerInner(const region& lhs, const region& rhs)
-            : lhs(lhs), rhs(rhs) 
+        inline SpannerInner(const region& _lhs, const region& _rhs)
+            : lhs(_lhs), rhs(_rhs)
         {
         }
 
diff --git a/include/ui/Gralloc1On0Adapter.h b/include/ui/Gralloc1On0Adapter.h
index 191377c..8beb281 100644
--- a/include/ui/Gralloc1On0Adapter.h
+++ b/include/ui/Gralloc1On0Adapter.h
@@ -124,10 +124,10 @@
     // Buffer descriptor modification functions
 
     struct Descriptor : public std::enable_shared_from_this<Descriptor> {
-        Descriptor(Gralloc1On0Adapter* adapter,
-                gralloc1_buffer_descriptor_t id)
-          : adapter(adapter),
-            id(id),
+        Descriptor(Gralloc1On0Adapter* _adapter,
+                gralloc1_buffer_descriptor_t _id)
+          : adapter(_adapter),
+            id(_id),
             width(0),
             height(0),
             format(HAL_PIXEL_FORMAT_IMPLEMENTATION_DEFINED),
diff --git a/include/ui/Point.h b/include/ui/Point.h
index 1d7f64d..d050ede 100644
--- a/include/ui/Point.h
+++ b/include/ui/Point.h
@@ -34,7 +34,7 @@
     // Default constructor doesn't initialize the Point
     inline Point() {
     }
-    inline Point(int x, int y) : x(x), y(y) {
+    inline Point(int _x, int _y) : x(_x), y(_y) {
     }
 
     inline bool operator == (const Point& rhs) const {