diff --git a/vp8/common/postproc.c b/vp8/common/postproc.c
index f019925c3..0979185d6 100644
--- a/vp8/common/postproc.c
+++ b/vp8/common/postproc.c
@@ -274,7 +274,7 @@ static void vp8_deblock_and_de_macro_block(YV12_BUFFER_CONFIG         *source,
 
 }
 
-extern void vp8_deblock(YV12_BUFFER_CONFIG         *source,
+void vp8_deblock(YV12_BUFFER_CONFIG         *source,
                         YV12_BUFFER_CONFIG         *post,
                         int                         q,
                         int                         low_var_thresh,
diff --git a/vp8/common/postproc.h b/vp8/common/postproc.h
index c45fe9252..cd99056b0 100644
--- a/vp8/common/postproc.h
+++ b/vp8/common/postproc.h
@@ -87,4 +87,11 @@ void vp8_de_noise(YV12_BUFFER_CONFIG         *source,
                   int                         low_var_thresh,
                   int                         flag,
                   vp8_postproc_rtcd_vtable_t *rtcd);
+
+void vp8_deblock(YV12_BUFFER_CONFIG         *source,
+                 YV12_BUFFER_CONFIG         *post,
+                 int                         q,
+                 int                         low_var_thresh,
+                 int                         flag,
+                 vp8_postproc_rtcd_vtable_t *rtcd);
 #endif