diff --git a/src/util/ralloc.c b/src/util/ralloc.c
index a7ce0e424c8..9c1d0132f31 100644
--- a/src/util/ralloc.c
+++ b/src/util/ralloc.c
@@ -1112,25 +1112,6 @@ ralloc_parent_of_linear_context(linear_ctx *ctx)
    return PTR_FROM_HEADER(get_header(node)->parent);
 }
 
-void *
-linear_realloc(linear_ctx *ctx, void *old, unsigned new_size)
-{
-   unsigned old_size = 0;
-   ralloc_header *new_ptr;
-
-   new_ptr = linear_alloc_child(ctx, new_size);
-
-   if (unlikely(!old))
-      return new_ptr;
-
-   old_size = ((linear_size_chunk*)old)[-1].size;
-
-   if (likely(new_ptr && old_size))
-      memcpy(new_ptr, old, MIN2(old_size, new_size));
-
-   return new_ptr;
-}
-
 /* All code below is pretty much copied from ralloc and only the alloc
  * calls are different.
  */
diff --git a/src/util/ralloc.h b/src/util/ralloc.h
index 54084a2a8c1..a20d8e35103 100644
--- a/src/util/ralloc.h
+++ b/src/util/ralloc.h
@@ -609,14 +609,6 @@ void ralloc_steal_linear_context(void *new_ralloc_ctx, linear_ctx *ctx);
  */
 void *ralloc_parent_of_linear_context(linear_ctx *ctx);
 
-/**
- * Same as realloc except that the linear allocator doesn't free child nodes,
- * so it's reduced to memory duplication. It's used in places where
- * reallocation is required. Don't use it often. It's much slower than
- * realloc.
- */
-void *linear_realloc(linear_ctx *ctx, void *old, unsigned new_size);
-
 /**
  * Do a fast allocation of an array from the linear context and initialize it to zero.
  *