diff --git a/services/surfaceflinger/Effects/Daltonizer.cpp b/services/surfaceflinger/Effects/Daltonizer.cpp
index c953c68..01c9c0f 100644
--- a/services/surfaceflinger/Effects/Daltonizer.cpp
+++ b/services/surfaceflinger/Effects/Daltonizer.cpp
@@ -133,8 +133,6 @@
                         0.7, 0.7, 1.0, 0,
                           0,   0,   0, 1);
 
-    const mat4 identity;
-
     // And the magic happens here...
     // We construct the matrix that will perform the whole correction.