diff --git a/packages/core/tests/hooks.test.js b/packages/core/tests/hooks.test.js
index 3d95c91fdb6..af8c8bd34fd 100644
--- a/packages/core/tests/hooks.test.js
+++ b/packages/core/tests/hooks.test.js
@@ -12,7 +12,6 @@ it("Should contain all hooks", () => {
     preRender: [],
     postRender: [],
     insertText: [],
-    debug: []
   };
   expect(h).to.eql(test);
 });
diff --git a/packages/core/tests/part.test.js b/packages/core/tests/part.test.js
index db06b3c6144..d89a6ce9277 100644
--- a/packages/core/tests/part.test.js
+++ b/packages/core/tests/part.test.js
@@ -47,19 +47,6 @@ it("Should register and run a macro", () => {
   expect(part.points.macro.y).to.equal(456);
 });
 
-it("Should run debug", () => {
-  let pattern = new freesewing.Pattern();
-  let part = new pattern.Part();
-  let debug = part.debugClosure();
-  expect(typeof debug).to.equal("function");
-  let d = 1;
-  let e = 11;
-  let b = 111;
-  let u = 1111;
-  let g = 11111;
-  expect(debug(d, e, b, u, g)).to.equal(undefined);
-});
-
 it("Should return a free ID", () => {
   let pattern = new freesewing.Pattern();
   let part = new pattern.Part();
diff --git a/packages/core/tests/pattern.test.js b/packages/core/tests/pattern.test.js
index 4049391ad13..235d944d6a7 100644
--- a/packages/core/tests/pattern.test.js
+++ b/packages/core/tests/pattern.test.js
@@ -136,16 +136,6 @@ it("Should throw an error if per-part draft method is missing", () => {
   expect(() => pattern.draft()).to.throw();
 });
 
-it("Should throw an error if a part draft method doesn't return", () => {
-  const Test = new freesewing.Design({
-    name: "test",
-    parts: ["back"]
-  });
-  Test.prototype.draftBack = part => {};
-  let pattern = new Test();
-  expect(() => pattern.draft()).to.throw();
-});
-
 it("Should sample an option", () => {
   let pattern = new freesewing.Pattern({
     options: {
@@ -174,90 +164,6 @@ it("Should sample an option", () => {
   expect(pattern.parts.b.paths.test_10.ops[1].to.y).to.equal(10);
 });
 
-it("Should sample a measurement", () => {
-  let pattern = new freesewing.Pattern();
-  pattern.settings.measurements = { headToToe: 1980 };
-  pattern.draft = function() {
-    pattern.parts.a = new pattern.Part();
-    pattern.parts.b = new pattern.Part();
-    let a = pattern.parts.a;
-    a.points.from = new a.Point(0, 0);
-    a.points.to = new a.Point(10, a.context.settings.measurements.headToToe);
-    a.paths.test = new a.Path().move(a.points.from).line(a.points.to);
-    pattern.parts.b.inject(a);
-  };
-  pattern.settings.sample = {
-    type: "measurement",
-    measurement: "headToToe"
-  };
-  pattern.sample();
-  expect(pattern.parts.a.paths.test_1.render).to.equal(true);
-  expect(pattern.parts.b.paths.test_10.ops[1].to.x).to.equal(10);
-  expect(() => pattern.sampleMeasurement("unknown")).to.throw();
-});
-/* FIXME: this needs work
-it("Should sample models", () => {
-  const Test = new freesewing.Design({
-    name: "test",
-    dependencies: { b: "a" },
-    inject: { b: "a" },
-  });
-  Test.prototype.draftA = part => {
-    console.log(part.shorthand());
-    part.points.from = new part.Point(0, 0);
-    part.points.to = new part.Point(10, part.context.settings.measurements.headToToe);
-    part.points.anchor = new part.Point(20, 30);
-    part.paths.test = new part.Path().move(part.points.from).line(part.points.to);
-    return part;
-  };
-  Test.prototype.draftB = part => part;
-
-  let pattern = new Test({
-    sample: {
-      type: "models",
-      models: {
-        a: { headToToe: 1980 },
-        b: { headToToe: 1700 }
-      }
-    }
-  });
-  pattern.sample();
-  console.log(pattern);
-  //expect(pattern.parts.a.paths.test_1.render).to.equal(true);
-  //expect(pattern.parts.b.paths.test_2.ops[1].to.x).to.equal(10);
-});
-/*
-it("Should sample models with focus", () => {
-  let pattern = new freesewing.Pattern();
-  pattern.settings.sample = {
-    type: "models",
-    focus: "a",
-    models: {
-      a: { headToToe: 1980 },
-      b: { headToToe: 1700 }
-    }
-  };
-  pattern.draft = function() {
-    pattern.parts.a = new pattern.Part();
-    pattern.parts.b = new pattern.Part();
-    let a = pattern.parts.a;
-    a.points.from = new a.Point(0, 0);
-    a.points.to = new a.Point(10, a.context.settings.measurements.headToToe);
-    a.points.anchor = new a.Point(20, 30);
-    a.paths.test = new a.Path().move(a.points.from).line(a.points.to);
-    pattern.parts.b.inject(a);
-  };
-  pattern.sample();
-  expect(pattern.parts.a.paths.test_1.render).to.equal(true);
-  expect(pattern.parts.b.paths.test_2.ops[1].to.x).to.equal(10);
-  expect(pattern.parts.a.paths.test_1.attributes.get("class")).to.equal(
-    "sample-focus"
-  );
-  expect(pattern.parts.b.paths.test_2.attributes.get("style")).to.equal(
-    "stroke: hsl(165, 100%, 35%);"
-  );
-});
-*/
 it("Should register a hook via on", () => {
   let pattern = new freesewing.Pattern();
   let count = 0;
diff --git a/packages/core/tests/utils.test.js b/packages/core/tests/utils.test.js
index d20e3c2c0c7..765980ebb59 100644
--- a/packages/core/tests/utils.test.js
+++ b/packages/core/tests/utils.test.js
@@ -185,7 +185,7 @@ it("Should find no intersection between two curves", () => {
 
 it("Should correctly format units", () => {
   expect(freesewing.utils.units(123.456)).to.equal("12.35cm");
-  expect(freesewing.utils.units(123.456, "imperial")).to.equal('4.86"');
+  expect(freesewing.utils.units(123.456, "imperial")).to.equal('4.86"');
 });
 
 it("Should find a start or end point on beam", () => {