diff --git a/src/compiler/code.jl b/src/compiler/code.jl
index f2bbaf45..712ad9a8 100644
--- a/src/compiler/code.jl
+++ b/src/compiler/code.jl
@@ -59,6 +59,8 @@ import Lazy: groupby
 
 reifyparams(v::IVertex) = mapconst(x -> isa(x, Param) ? x.x : x, v)
 
+# TODO: type hints for parameters
+
 function process_type(ex)
   @capture(ex, type T_ fs__ end)
   @destruct [params = false || [],
diff --git a/src/layers/affine.jl b/src/layers/affine.jl
index 0d6207da..087905a8 100644
--- a/src/layers/affine.jl
+++ b/src/layers/affine.jl
@@ -1,7 +1,5 @@
 export Affine
 
-# TODO: type hints for parameters
-
 @net type Affine
   W
   b