diff --git a/phasm/compiler.py b/phasm/compiler.py
index 328f04d..4b90740 100644
--- a/phasm/compiler.py
+++ b/phasm/compiler.py
@@ -385,18 +385,17 @@ def tuple_instantiation(wgn: WasmGenerator, inp: ourlang.TupleInstantiation) ->
 
 def expression_subscript_bytes(
         attrs: tuple[WasmGenerator, ourlang.Subscript],
-    ) -> bool:
+    ) -> None:
     wgn, inp = attrs
 
     expression(wgn, inp.varref)
     expression(wgn, inp.index)
     wgn.call(stdlib_types.__subscript_bytes__)
-    return True
 
 def expression_subscript_static_array(
         attrs: tuple[WasmGenerator, ourlang.Subscript],
         args: tuple[type3types.Type3, type3types.IntType3],
-    ) -> bool:
+    ) -> None:
     wgn, inp = attrs
 
     el_type, el_len = args
@@ -424,12 +423,11 @@ def expression_subscript_static_array(
     mtyp = LOAD_STORE_TYPE_MAP[el_type.name]
 
     wgn.add_statement(f'{mtyp}.load')
-    return True
 
 def expression_subscript_tuple(
         attrs: tuple[WasmGenerator, ourlang.Subscript],
         args: tuple[type3types.Type3, ...],
-    ) -> bool:
+    ) -> None:
     wgn, inp = attrs
 
     assert isinstance(inp.index, ourlang.ConstantPrimitive)
@@ -451,9 +449,8 @@ def expression_subscript_tuple(
         mtyp = LOAD_STORE_TYPE_MAP[el_type.name]
 
     wgn.add_statement(f'{mtyp}.load', f'offset={offset}')
-    return True
 
-SUBSCRIPT_ROUTER = type3types.TypeApplicationRouter[tuple[WasmGenerator, ourlang.Subscript], bool]()
+SUBSCRIPT_ROUTER = type3types.TypeApplicationRouter[tuple[WasmGenerator, ourlang.Subscript], None]()
 SUBSCRIPT_ROUTER.add_n(prelude.bytes_, expression_subscript_bytes)
 SUBSCRIPT_ROUTER.add(prelude.static_array, expression_subscript_static_array)
 SUBSCRIPT_ROUTER.add(prelude.tuple_, expression_subscript_tuple)
@@ -590,7 +587,8 @@ def expression(wgn: WasmGenerator, inp: ourlang.Expression) -> None:
         assert inp.varref.type3 is not None, TYPE3_ASSERTION_ERROR
 
         # Type checker guarantees we don't get routing errors
-        return SUBSCRIPT_ROUTER((wgn, inp, ), inp.varref.type3)
+        SUBSCRIPT_ROUTER((wgn, inp, ), inp.varref.type3)
+        return
 
     if isinstance(inp, ourlang.AccessStructMember):
         assert inp.struct_type3 is not None, TYPE3_ASSERTION_ERROR