diff --git a/vp8/encoder/bitstream.c b/vp8/encoder/bitstream.c
index be99f38508de21e96e81ba370aa6946db26b7c23..40e845fda7874f431ec5ecfb95986963193ad165 100644
--- a/vp8/encoder/bitstream.c
+++ b/vp8/encoder/bitstream.c
@@ -2013,9 +2013,7 @@ void vp8_pack_bitstream(VP8_COMP *cpi, unsigned char *dest, unsigned long *size)
     }
     else
         vp8_start_encode(bc, cx_data);
-#if CONFIG_SEGMENTATION
-    xd->update_mb_segmentation_map = 1;
-#endif
+
     // Signal whether or not Segmentation is enabled
     vp8_write_bit(bc, (xd->segmentation_enabled) ? 1 : 0);
 
diff --git a/vp8/encoder/encodeframe.c b/vp8/encoder/encodeframe.c
index eab6c817aab9de331e69dcd24b5cbc1c875019c6..031e63ac774e7dc6216c9ed97695ec1b732ebc8f 100644
--- a/vp8/encoder/encodeframe.c
+++ b/vp8/encoder/encodeframe.c
@@ -773,12 +773,6 @@ void encode_mb_row(VP8_COMP *cpi,
         // Increment the activity mask pointers.
         x->mb_activity_ptr++;
 
-#if CONFIG_SEGMENTATION
-        if ((xd->mode_info_context->mbmi.mode == ZEROMV) && (xd->mode_info_context->mbmi.ref_frame == LAST_FRAME))
-            xd->mode_info_context->mbmi.segment_id = 0;
-        else
-            xd->mode_info_context->mbmi.segment_id = 1;
-#endif
         // adjust to the next column of macroblocks
         x->src.y_buffer += 16;
         x->src.u_buffer += 8;
diff --git a/vp8/encoder/onyx_if.c b/vp8/encoder/onyx_if.c
index 9c171b869c12f619c3a0876bbb9fe48f86f6ba65..05cb4243922690ef6e765eeeba0a5d0633141a97 100644
--- a/vp8/encoder/onyx_if.c
+++ b/vp8/encoder/onyx_if.c
@@ -328,11 +328,9 @@ static void setup_features(VP8_COMP *cpi)
     MACROBLOCKD *xd = &cpi->mb.e_mbd;
 
     // Set up default state for MB feature flags
-#if CONFIG_SEGMENTATION
-    xd->segmentation_enabled = 1;
-#else
-    xd->segmentation_enabled = 0;
-#endif
+
+    xd->segmentation_enabled = 0;   // Default segmentation disabled
+
     xd->update_mb_segmentation_map = 0;
     xd->update_mb_segmentation_data = 0;
     vpx_memset(xd->mb_segment_tree_probs, 255, sizeof(xd->mb_segment_tree_probs));
@@ -3706,16 +3704,8 @@ static void encode_frame_to_data_rate
 
     update_rd_ref_frame_probs(cpi);
 
-    // Test code for segmentation of gf/arf (0,0)
-    //segmentation_test_function((VP8_PTR) cpi);
-#if CONFIG_SEGMENTATION
-    cpi->mb.e_mbd.segmentation_enabled = 1;
-    cpi->mb.e_mbd.update_mb_segmentation_map = 1;
-#else
-//#if CONFIG_SEGFEATURES
     // Test code for new segment features
     init_seg_features( cpi );
-#endif
 
     if (cpi->drop_frames_allowed)
     {