diff --git a/PVRTCEncoder/src/Compressor.cpp b/PVRTCEncoder/src/Compressor.cpp
index b36d787..e9723fa 100644
--- a/PVRTCEncoder/src/Compressor.cpp
+++ b/PVRTCEncoder/src/Compressor.cpp
@@ -677,8 +677,6 @@ namespace PVRTCC {
     assert(width & (width - 1) == 0);
     assert(height & (height - 1) == 0);
 
-    memset(cj.outBuf, 0, (width * height / 16) * kBlockSize);
-
     CompressionLabel *labels =
       (CompressionLabel *)calloc(width * height, sizeof(CompressionLabel));