diff --git a/src/mesa/drivers/dri/i965/brw_bufmgr.c b/src/mesa/drivers/dri/i965/brw_bufmgr.c
index 9e67efa4d3b..7f3aa420ed9 100644
--- a/src/mesa/drivers/dri/i965/brw_bufmgr.c
+++ b/src/mesa/drivers/dri/i965/brw_bufmgr.c
@@ -762,12 +762,6 @@ brw_bo_map(struct brw_context *brw, struct brw_bo *bo, unsigned flags)
       return brw_bo_map_gtt(brw, bo, flags);
 }
 
-int
-brw_bo_unmap(struct brw_bo *bo)
-{
-   return 0;
-}
-
 int
 brw_bo_subdata(struct brw_bo *bo, uint64_t offset,
                uint64_t size, const void *data)
diff --git a/src/mesa/drivers/dri/i965/brw_bufmgr.h b/src/mesa/drivers/dri/i965/brw_bufmgr.h
index 6482abd09af..a817958d7bd 100644
--- a/src/mesa/drivers/dri/i965/brw_bufmgr.h
+++ b/src/mesa/drivers/dri/i965/brw_bufmgr.h
@@ -212,7 +212,7 @@ MUST_CHECK void *brw_bo_map(struct brw_context *brw, struct brw_bo *bo, unsigned
  * Reduces the refcount on the userspace mapping of the buffer
  * object.
  */
-int brw_bo_unmap(struct brw_bo *bo);
+static int brw_bo_unmap(struct brw_bo *bo) { return 0; }
 
 /** Write data into an object. */
 int brw_bo_subdata(struct brw_bo *bo, uint64_t offset,