diff --git a/codegen/templates/schemas/types/_assoc.njk b/codegen/templates/schemas/types/_assoc.njk
index 6765408..a963edb 100644
--- a/codegen/templates/schemas/types/_assoc.njk
+++ b/codegen/templates/schemas/types/_assoc.njk
@@ -9,11 +9,6 @@
     {%- if schema.additional_indices %}
   & Record<string, {{ field(schema.additional_indices) }}>
     {%- endif %}
-    {%- if schema.dynamic_indices %}
-      {%- for dynamic_key, dynamic_value in schema.dynamic_indices | dictsort %}
-  & Record<`{{ dynamic_key }}`, {{ field(dynamic_value) }}>
-      {%- endfor %}
-    {%- endif %}
 {%- elif schema.additional_indices -%}
 Record<string, {{ field(schema.additional_indices) }}>
 {%- else -%}
diff --git a/src/types/schemas/BuiltInFeatures.ts b/src/types/schemas/BuiltInFeatures.ts
index 3319b69..2f78a13 100644
--- a/src/types/schemas/BuiltInFeatures.ts
+++ b/src/types/schemas/BuiltInFeatures.ts
@@ -46,6 +46,4 @@ export type BuiltInFeatures = {
    * The 0-based index of the case's order in training within its session.
    */
   ".session_training_index"?: number;
-} & Record<`${string}_delta_${number}`, number | null> &
-  Record<`${string}_lag_${number}`, any> &
-  Record<`${string}_rate_${number}`, number | null>;
+};