diff --git a/packages/squiggle-lang/__tests__/Distributions/DistributionOperation_test.res b/packages/squiggle-lang/__tests__/Distributions/DistributionOperation_test.res
index 3b1219b3..cd22d512 100644
--- a/packages/squiggle-lang/__tests__/Distributions/DistributionOperation_test.res
+++ b/packages/squiggle-lang/__tests__/Distributions/DistributionOperation_test.res
@@ -29,31 +29,6 @@ let toExt: option<'a> => 'a = E.O.toExt(
   "Should be impossible to reach (This error is in test file)",
 )
 
-describe("normalize", () => {
-  test("has no impact on normal dist", () => {
-    let result = run(FromDist(ToDist(Normalize), normalDist5))
-    expect(result)->toEqual(Dist(normalDist5))
-  })
-})
-
-describe("mean", () => {
-  test("for a normal distribution", () => {
-    let result = DistributionOperation.run(~env, FromDist(ToFloat(#Mean), normalDist5))
-    expect(result)->toEqual(Float(5.0))
-  })
-})
-
-describe("mixture", () => {
-  test("on two normal distributions", () => {
-    let result =
-      run(Mixture([(normalDist10, 0.5), (normalDist20, 0.5)]))
-      ->outputMap(FromDist(ToFloat(#Mean)))
-      ->toFloat
-      ->toExt
-    expect(result)->toBeCloseTo(15.28)
-  })
-})
-
 describe("sparkline", () => {
   let runTest = (
     name: string,
diff --git a/packages/squiggle-lang/jest.config.js b/packages/squiggle-lang/jest.config.js
index f5d19afb..3347de7c 100644
--- a/packages/squiggle-lang/jest.config.js
+++ b/packages/squiggle-lang/jest.config.js
@@ -1,12 +1,13 @@
 /** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
 module.exports = {
-  preset: 'ts-jest',
-  testEnvironment: 'node',
-  testPathIgnorePatterns: [".*Fixtures.bs.js", "/node_modules/", ".*Helpers.bs.js"],
+  preset: "ts-jest",
+  testEnvironment: "node",
   setupFilesAfterEnv: [
-    "<rootdir>/../../node_modules/bisect_ppx/src/runtime/js/jest.bs.js"
+    "<rootdir>/../../node_modules/bisect_ppx/src/runtime/js/jest.bs.js",
   ],
   testPathIgnorePatterns: [
-    "__tests__/TestHelpers.bs.js"
-  ], 
+    ".*Fixtures.bs.js",
+    "/node_modules/",
+    ".*Helpers.bs.js",
+  ],
 };