diff --git a/libpixelflinger/include/private/pixelflinger/ggl_context.h b/libpixelflinger/include/private/pixelflinger/ggl_context.h
index d43655c..a18b2f7 100644
--- a/libpixelflinger/include/private/pixelflinger/ggl_context.h
+++ b/libpixelflinger/include/private/pixelflinger/ggl_context.h
@@ -234,7 +234,7 @@
 
 // ----------------------------------------------------------------------------
 
-class needs_filter_t;
+struct needs_filter_t;
 struct needs_t {
     inline int match(const needs_filter_t& filter);
     inline bool operator == (const needs_t& rhs) const {
diff --git a/libpixelflinger/trap.cpp b/libpixelflinger/trap.cpp
index 80efeff..ea53625 100644
--- a/libpixelflinger/trap.cpp
+++ b/libpixelflinger/trap.cpp
@@ -563,10 +563,10 @@
     
     c->init_y(c, miny);
     for (int32_t y = miny; y < maxy; y++) {
-        register int32_t ex0 = ey0;
-        register int32_t ex1 = ey1;
-        register int32_t ex2 = ey2;    
-        register int32_t xl, xr;
+        int32_t ex0 = ey0;
+        int32_t ex1 = ey1;
+        int32_t ex2 = ey2;    
+        int32_t xl, xr;
         for (xl=minx ; xl<maxx ; xl++) {
             if (ex0>0 && ex1>0 && ex2>0)
                 break; // all strictly positive