diff --git a/vp8/decoder/dboolhuff.h b/vp8/decoder/dboolhuff.h
index 4c0ca1ce7376325026a21863d4825d3f4e240045..82de6b8c8ab044598a61c3f66bd815a830ddf487 100644
--- a/vp8/decoder/dboolhuff.h
+++ b/vp8/decoder/dboolhuff.h
@@ -9,8 +9,8 @@
  */
 
 
-#ifndef DBOOLHUFF_H_
-#define DBOOLHUFF_H_
+#ifndef VP8_DECODER_DBOOLHUFF_H_
+#define VP8_DECODER_DBOOLHUFF_H_
 
 #include <stddef.h>
 #include <limits.h>
@@ -135,4 +135,4 @@ static int vp8dx_bool_error(BOOL_DECODER *br)
     return 0;
 }
 
-#endif  // DBOOLHUFF_H_
+#endif  // VP8_DECODER_DBOOLHUFF_H_
diff --git a/vp8/decoder/decodemv.h b/vp8/decoder/decodemv.h
index 05a33d27f6a30c780c5bdfd587d7e267157e50f8..b5d750ce4eb8222dd1f16f6267bc97832f3e1b92 100644
--- a/vp8/decoder/decodemv.h
+++ b/vp8/decoder/decodemv.h
@@ -8,11 +8,11 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef DECODEMV_H_
-#define DECODEMV_H_
+#ifndef VP8_DECODER_DECODEMV_H_
+#define VP8_DECODER_DECODEMV_H_
 
 #include "onyxd_int.h"
 
 void vp8_decode_mode_mvs(VP8D_COMP *);
 
-#endif  // DECODEMV_H_
+#endif  // VP8_DECODER_DECODEMV_H_
diff --git a/vp8/decoder/decoderthreading.h b/vp8/decoder/decoderthreading.h
index bc716e489e088caec3d70036c3901157e7fce6b7..3a8277f4e625d3e0eec9e30f9fbdb31955b2556a 100644
--- a/vp8/decoder/decoderthreading.h
+++ b/vp8/decoder/decoderthreading.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef DECODERTHREADING_H_
-#define DECODERTHREADING_H_
+#ifndef VP8_DECODER_DECODERTHREADING_H_
+#define VP8_DECODER_DECODERTHREADING_H_
 
 #if CONFIG_MULTITHREAD
 void vp8mt_decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd);
@@ -19,4 +19,4 @@ void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows);
 void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows);
 #endif
 
-#endif  // DECODERTHREADING_H_
+#endif  // VP8_DECODER_DECODERTHREADING_H_
diff --git a/vp8/decoder/detokenize.h b/vp8/decoder/detokenize.h
index f2130b36178961a03f6fef6acb034d226947a7c9..f134df86907d5ed7e65cceaaac9276e237183799 100644
--- a/vp8/decoder/detokenize.h
+++ b/vp8/decoder/detokenize.h
@@ -8,12 +8,12 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef DETOKENIZE_H_
-#define DETOKENIZE_H_
+#ifndef VP8_DECODER_DETOKENIZE_H_
+#define VP8_DECODER_DETOKENIZE_H_
 
 #include "onyxd_int.h"
 
 void vp8_reset_mb_tokens_context(MACROBLOCKD *x);
 int vp8_decode_mb_tokens(VP8D_COMP *, MACROBLOCKD *);
 
-#endif  // DETOKENIZE_H
+#endif  // VP8_DECODER_DETOKENIZE_H_
diff --git a/vp8/decoder/ec_types.h b/vp8/decoder/ec_types.h
index b24bfd9439f751a22c0579b085b906e762a092e4..0a3123a65cd629e437ef507fa9fbdeca7a24271b 100644
--- a/vp8/decoder/ec_types.h
+++ b/vp8/decoder/ec_types.h
@@ -8,8 +8,8 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef VP8_DEC_EC_TYPES_H
-#define VP8_DEC_EC_TYPES_H
+#ifndef VP8_DECODER_EC_TYPES_H_
+#define VP8_DECODER_EC_TYPES_H_
 
 #define MAX_OVERLAPS 16
 
@@ -47,4 +47,4 @@ typedef struct
     MV_REFERENCE_FRAME ref_frame;
 } EC_BLOCK;
 
-#endif  // VP8_DEC_EC_TYPES_H
+#endif  // VP8_DECODER_EC_TYPES_H_
diff --git a/vp8/decoder/error_concealment.h b/vp8/decoder/error_concealment.h
index fb96b3605ec8c437e333d13ad4ac969d6974e1d8..10bf870b703c56fde48eb43a1a1b180dcf753f09 100644
--- a/vp8/decoder/error_concealment.h
+++ b/vp8/decoder/error_concealment.h
@@ -9,8 +9,8 @@
  */
 
 
-#ifndef ERROR_CONCEALMENT_H_
-#define ERROR_CONCEALMENT_H_
+#ifndef VP8_DECODER_ERROR_CONCEALMENT_H_
+#define VP8_DECODER_ERROR_CONCEALMENT_H_
 
 #include "onyxd_int.h"
 #include "ec_types.h"
@@ -38,4 +38,4 @@ void vp8_interpolate_motion(MACROBLOCKD *mb,
  */
 void vp8_conceal_corrupt_mb(MACROBLOCKD *xd);
 
-#endif  // ERROR_CONCEALMENT_H_
+#endif  // VP8_DECODER_ERROR_CONCEALMENT_H_
diff --git a/vp8/decoder/onyxd_int.h b/vp8/decoder/onyxd_int.h
index 54a98f7cc3219fca6346c6c29ce88d4bf6b2f48d..3728152b0cd429813bfe7a0d104f261471c638f9 100644
--- a/vp8/decoder/onyxd_int.h
+++ b/vp8/decoder/onyxd_int.h
@@ -9,8 +9,8 @@
  */
 
 
-#ifndef ONYXD_INT_H_
-#define ONYXD_INT_H_
+#ifndef VP8_DECODER_ONYXD_INT_H_
+#define VP8_DECODER_ONYXD_INT_H_
 
 #include "vpx_config.h"
 #include "vp8/common/onyxd.h"
@@ -148,4 +148,4 @@ int vp8_remove_decoder_instances(struct frame_buffers *fb);
     } while(0)
 #endif
 
-#endif  // ONYXD_INT_H_
+#endif  // VP8_DECODER_ONYXD_INT_H_
diff --git a/vp8/decoder/treereader.h b/vp8/decoder/treereader.h
index 9393bb4785700c4d3cfca9adef492faca7d7b966..1d3f6720771fb3894dd7e072b2e638ad6ee4c822 100644
--- a/vp8/decoder/treereader.h
+++ b/vp8/decoder/treereader.h
@@ -9,8 +9,8 @@
  */
 
 
-#ifndef TREEREADER_H_
-#define TREEREADER_H_
+#ifndef VP8_DECODER_TREEREADER_H_
+#define VP8_DECODER_TREEREADER_H_
 
 #include "vp8/common/treecoder.h"
 #include "dboolhuff.h"
@@ -37,4 +37,4 @@ static int vp8_treed_read(
     return -i;
 }
 
-#endif  // TREEREADER_H_
+#endif  // VP8_DECODER_TREEREADER_H_