diff --git a/packages/squiggle-lang/__tests__/FunctionRegistry_test.res b/packages/squiggle-lang/__tests__/FunctionRegistry_test.res
deleted file mode 100644
index 6ee66f60..00000000
--- a/packages/squiggle-lang/__tests__/FunctionRegistry_test.res
+++ /dev/null
@@ -1,93 +0,0 @@
-module InternalExpressionValue = ReducerInterface_InternalExpressionValue
-module ExpressionT = Reducer_Expression_T
-// module Module = Reducer_Module
-// module Bindings = Reducer_Module
-module ErrorValue = Reducer_ErrorValue
-
-open Jest
-open Expect
-
-// ----------------------
-// --- Start of Module File
-// ----------------------
-
-module FooImplementation = {
-  open FunctionRegistry_Core
-  open FunctionRegistry_Helpers
-
-  let fn1 = Function.make(
-    ~name="add",
-    ~nameSpace="Foo",
-    ~requiresNamespace=false,
-    ~examples=["Foo.add2(1, 2)", "Foo.add3(1, 2, 3)"],
-    ~output=EvtNumber,
-    ~definitions=[
-      FnDefinition.make(
-        ~name="add2",
-        ~inputs=[FRTypeNumber, FRTypeNumber],
-        ~run=(_, inputs, _) =>
-          switch inputs {
-          | [FRValueNumber(a), FRValueNumber(b)] => Ok(Wrappers.evNumber(a +. b))
-          | _ => Error("False")
-          },
-        (),
-      ),
-      FnDefinition.make(
-        ~name="add3",
-        ~inputs=[FRTypeNumber, FRTypeNumber, FRTypeNumber],
-        ~run=(_, inputs, _) =>
-          switch inputs {
-          | [FRValueNumber(a), FRValueNumber(b), FRValueNumber(c)] =>
-            Ok(Wrappers.evNumber(a +. b +. c))
-          | _ => Error("False")
-          },
-        (),
-      ),
-    ],
-    (),
-  )
-
-  let library = [fn1]
-}
-      
-// let makeBindings = FunctionRegistry_Core.Registry.makeBindings(_, FooImplementation.library)
-
-// let stdLibWithFoo = Bindings.emptyBindings->makeBindings
-
-// let evalWithFoo = sourceCode =>
-//   Reducer_Expression.parse(sourceCode)->Belt.Result.flatMap(expr =>
-//     Reducer_Expression.reduceExpression(
-//       expr,
-//       stdLibWithFoo,
-//       InternalExpressionValue.defaultEnvironment,
-//     )
-//   )
-
-// let evalToStringResultWithFoo = sourceCode =>
-//   evalWithFoo(sourceCode)->InternalExpressionValue.toStringResult
-
-// describe("Module", () => {
-//   test("add2(1,2)", () => {
-//     let result = evalToStringResultWithFoo("Foo.add2(1,2)")
-//     expect(result)->toEqual("Ok(3)")
-//   })
-//   test("add3(1,2,3)", () => {
-//     let result = evalToStringResultWithFoo("Foo.add3(1,2,3)")
-//     expect(result)->toEqual("Ok(6)")
-//   })
-// })
-
-// describe("Fn auto-testing", () => {
-//   let items = FooImplementation.fn1.examples->E.A.to_list
-
-//   testAll("tests of validity", items, r => {
-//     expect(r->evalWithFoo->E.R.isOk)->toEqual(true)
-//   })
-
-//   testAll("tests of type", items, r => {
-//     let responseType =
-//       r->evalWithFoo->E.R2.fmap(ReducerInterface_InternalExpressionValue.valueToValueType)
-//     let expectedOutputType = FooImplementation.fn1.output |> E.O.toExn("")
-//     expect(responseType)->toEqual(Ok(expectedOutputType))
-//   })
-// })
diff --git a/packages/squiggle-lang/src/rescript/FunctionRegistry/FunctionRegistry_Core.res b/packages/squiggle-lang/src/rescript/FunctionRegistry/FunctionRegistry_Core.res
index 2b54e0fe..e7abc961 100644
--- a/packages/squiggle-lang/src/rescript/FunctionRegistry/FunctionRegistry_Core.res
+++ b/packages/squiggle-lang/src/rescript/FunctionRegistry/FunctionRegistry_Core.res
@@ -438,7 +438,6 @@ module Registry = {
     cacheAsArray->Js.Dict.fromArray
   }
 
-  let _exportedSubset = (r: registry): registry => r |> E.A.filter(r => !r.requiresNamespace)
   /*
   There's a (potential+minor) bug here: If a function definition is called outside of the calls 
   to the registry, then it's possible that there could be a match after the registry is 
@@ -477,7 +476,7 @@ module Registry = {
     (fnName, args): ReducerInterface_InternalExpressionValue.functionCall,
     env,
   ) => {
-    _matchAndRun(~registry=_exportedSubset(registry), ~fnName, ~args, ~env)->E.O2.fmap(
+    _matchAndRun(~registry, ~fnName, ~args, ~env)->E.O2.fmap(
       E.R2.errMap(_, s => Reducer_ErrorValue.RETodo(s)),
     )
   }