diff --git a/src/App.tsx b/src/App.tsx
index a8f06b834..c8c07f52a 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -79,7 +79,6 @@ export function App() {
     setIsStreamReady,
     isStreamReady,
     isMouseDownInStream,
-    fileId,
     cmdId,
     setCmdId,
     token,
@@ -120,7 +119,6 @@ export function App() {
     isStreamReady: s.isStreamReady,
     setIsStreamReady: s.setIsStreamReady,
     isMouseDownInStream: s.isMouseDownInStream,
-    fileId: s.fileId,
     cmdId: s.cmdId,
     setCmdId: s.setCmdId,
     token: s.token,
diff --git a/src/Toolbar.tsx b/src/Toolbar.tsx
index 62f4ab252..e9018454a 100644
--- a/src/Toolbar.tsx
+++ b/src/Toolbar.tsx
@@ -11,7 +11,6 @@ import { SetAngleLength } from './components/Toolbar/setAngleLength'
 import { ConvertToVariable } from './components/Toolbar/ConvertVariable'
 import { SetAbsDistance } from './components/Toolbar/SetAbsDistance'
 import { SetAngleBetween } from './components/Toolbar/SetAngleBetween'
-import { ExportButton } from './components/ExportButton'
 
 export const Toolbar = () => {
   const {
diff --git a/src/components/AvailableVarsHelpers.tsx b/src/components/AvailableVarsHelpers.tsx
index 03465730b..1adae4e41 100644
--- a/src/components/AvailableVarsHelpers.tsx
+++ b/src/components/AvailableVarsHelpers.tsx
@@ -9,7 +9,6 @@ import {
   findUniqueName,
 } from '../lang/modifyAst'
 import { findAllPreviousVariables, PrevVariable } from '../lang/queryAst'
-import { lexer } from '../lang/tokeniser'
 import { useStore } from '../useStore'
 
 export const AvailableVars = ({
diff --git a/src/components/ProjectSidebarMenu.test.tsx b/src/components/ProjectSidebarMenu.test.tsx
index 973c450f9..0f90a6044 100644
--- a/src/components/ProjectSidebarMenu.test.tsx
+++ b/src/components/ProjectSidebarMenu.test.tsx
@@ -1,5 +1,4 @@
 import { fireEvent, render, screen } from '@testing-library/react'
-import { User } from '../useStore'
 import { BrowserRouter } from 'react-router-dom'
 import ProjectSidebarMenu from './ProjectSidebarMenu'
 import { ProjectWithEntryPointMetadata } from '../Router'
diff --git a/src/components/SetVarNameModal.tsx b/src/components/SetVarNameModal.tsx
index c653cfe73..b06ddaec1 100644
--- a/src/components/SetVarNameModal.tsx
+++ b/src/components/SetVarNameModal.tsx
@@ -1,5 +1,5 @@
 import { Dialog, Transition } from '@headlessui/react'
-import { Fragment, useState } from 'react'
+import { Fragment } from 'react'
 import { useCalc, CreateNewVariable } from './AvailableVarsHelpers'
 
 export const SetVarNameModal = ({
diff --git a/src/components/Stream.tsx b/src/components/Stream.tsx
index d60da5151..3942a4ce7 100644
--- a/src/components/Stream.tsx
+++ b/src/components/Stream.tsx
@@ -20,8 +20,6 @@ export const Stream = ({ className = '' }) => {
     mediaStream,
     engineCommandManager,
     setIsMouseDownInStream,
-    fileId,
-    setFileId,
     setCmdId,
     didDragInStream,
     setDidDragInStream,
@@ -32,7 +30,6 @@ export const Stream = ({ className = '' }) => {
     isMouseDownInStream: s.isMouseDownInStream,
     setIsMouseDownInStream: s.setIsMouseDownInStream,
     fileId: s.fileId,
-    setFileId: s.setFileId,
     setCmdId: s.setCmdId,
     didDragInStream: s.didDragInStream,
     setDidDragInStream: s.setDidDragInStream,
@@ -48,9 +45,8 @@ export const Stream = ({ className = '' }) => {
     if (!videoRef.current) return
     if (!mediaStream) return
     videoRef.current.srcObject = mediaStream
-    setFileId(uuidv4())
     setZoom(videoRef.current.getBoundingClientRect().height / 2)
-  }, [mediaStream, engineCommandManager, setFileId])
+  }, [mediaStream, engineCommandManager])
 
   const handleMouseDown: MouseEventHandler<HTMLVideoElement> = ({
     clientX,
diff --git a/src/components/UserSidebarMenu.tsx b/src/components/UserSidebarMenu.tsx
index 0370e301a..75d46fff7 100644
--- a/src/components/UserSidebarMenu.tsx
+++ b/src/components/UserSidebarMenu.tsx
@@ -7,7 +7,6 @@ import { useNavigate } from 'react-router-dom'
 import { useState } from 'react'
 import { paths } from '../Router'
 import makeUrlPathRelative from '../lib/makeUrlPathRelative'
-import { ExportButton } from './ExportButton'
 
 const UserSidebarMenu = ({ user }: { user?: User }) => {
   const displayedName = getDisplayName(user)
diff --git a/src/lang/artifact.test.ts b/src/lang/artifact.test.ts
index b0f9bc487..ce33d6cfc 100644
--- a/src/lang/artifact.test.ts
+++ b/src/lang/artifact.test.ts
@@ -1,6 +1,6 @@
 import { parser_wasm } from './abstractSyntaxTree'
 import { initPromise } from './rust'
-import { enginelessExecutor, executor } from '../lib/testHelpers'
+import { enginelessExecutor } from '../lib/testHelpers'
 
 beforeAll(() => initPromise)
 
diff --git a/src/lang/executor.ts b/src/lang/executor.ts
index abf1edb00..559de62a2 100644
--- a/src/lang/executor.ts
+++ b/src/lang/executor.ts
@@ -543,7 +543,7 @@ export const _executor = async (
           }
           _programMemory.return = expression.arguments as any // todo memory redo
         } else {
-          if (_programMemory.root[functionName] == undefined) {
+          if (_programMemory.root[functionName] === undefined) {
             throw new KCLSemanticError(`No such name ${functionName} defined`, [
               [statement.start, statement.end],
             ])
diff --git a/src/lang/queryAst.test.ts b/src/lang/queryAst.test.ts
index 7408e5528..3a40988c3 100644
--- a/src/lang/queryAst.test.ts
+++ b/src/lang/queryAst.test.ts
@@ -5,7 +5,6 @@ import {
   isTypeInValue,
   getNodePathFromSourceRange,
 } from './queryAst'
-import { lexer } from './tokeniser'
 import { initPromise } from './rust'
 import { enginelessExecutor } from '../lib/testHelpers'
 import {
diff --git a/src/lang/std/sketch.test.ts b/src/lang/std/sketch.test.ts
index 400009290..4fe074e4e 100644
--- a/src/lang/std/sketch.test.ts
+++ b/src/lang/std/sketch.test.ts
@@ -134,7 +134,6 @@ show(mySketch001)`
 
 describe('testing addNewSketchLn', () => {
   const lineToChange = 'lineTo([-1.59, -1.54], %)'
-  const lineAfterChange = 'lineTo([2, 3], %)'
   test('addNewSketchLn', async () => {
     // Enable rotations #152
     const code = `
@@ -146,6 +145,7 @@ show(mySketch001)`
     const ast = parser_wasm(code)
     const programMemory = await enginelessExecutor(ast)
     const sourceStart = code.indexOf(lineToChange)
+    expect(sourceStart).toBe(66)
     const { modifiedAst } = addNewSketchLn({
       node: ast,
       programMemory,
diff --git a/src/lang/std/sketch.ts b/src/lang/std/sketch.ts
index 4ff0d49ef..55a987cff 100644
--- a/src/lang/std/sketch.ts
+++ b/src/lang/std/sketch.ts
@@ -116,7 +116,7 @@ function makeId(seed: string | any) {
 
 export const lineTo: SketchLineHelper = {
   fn: (
-    { sourceRange, engineCommandManager, code },
+    { sourceRange, code },
     data:
       | [number, number]
       | {
@@ -131,10 +131,6 @@ export const lineTo: SketchLineHelper = {
     const from = getCoordsFromPaths(sketchGroup, sketchGroup.value.length - 1)
     const to = 'to' in data ? data.to : data
 
-    const lineData: LineData = {
-      from: [...from, 0],
-      to: [...to, 0],
-    }
     const id = makeId({
       code,
       sourceRange,
@@ -672,10 +668,6 @@ export const angledLine: SketchLineHelper = {
       from[0] + length * Math.cos((angle * Math.PI) / 180),
       from[1] + length * Math.sin((angle * Math.PI) / 180),
     ]
-    const lineData: LineData = {
-      from: [...from, 0],
-      to: [...to, 0],
-    }
     const id = makeId({
       code,
       sourceRange,
diff --git a/src/lang/std/std.ts b/src/lang/std/std.ts
index 8242d2e41..4265407c7 100644
--- a/src/lang/std/std.ts
+++ b/src/lang/std/std.ts
@@ -25,9 +25,8 @@ import {
   lastSegY,
 } from './sketchConstraints'
 import { getExtrudeWallTransform, extrude } from './extrude'
-import { SketchGroup, ExtrudeGroup, Position, Rotation } from '../executor'
 
-import { InternalFn, InternalFnNames, InternalFirstArg } from './stdTypes'
+import { InternalFn, InternalFnNames } from './stdTypes'
 
 // const transform: InternalFn = <T extends SketchGroup | ExtrudeGroup>(
 //   { sourceRange }: InternalFirstArg,
diff --git a/src/routes/Onboarding/index.tsx b/src/routes/Onboarding/index.tsx
index 03e7e6faa..f89343ccd 100644
--- a/src/routes/Onboarding/index.tsx
+++ b/src/routes/Onboarding/index.tsx
@@ -7,7 +7,6 @@ import Units from './Units'
 import Camera from './Camera'
 import Sketching from './Sketching'
 import { useCallback } from 'react'
-import { paths } from '../../Router'
 import makeUrlPathRelative from '../../lib/makeUrlPathRelative'
 
 export const onboardingPaths = {
diff --git a/src/setupTests.ts b/src/setupTests.ts
index 0227219e9..8addffd3d 100644
--- a/src/setupTests.ts
+++ b/src/setupTests.ts
@@ -2,7 +2,6 @@ import '@testing-library/jest-dom'
 import { WebSocket } from 'ws'
 
 class MockRTCPeerConnection {
-  constructor() {}
   createDataChannel() {
     return
   }
diff --git a/src/useStore.ts b/src/useStore.ts
index a7063f9a9..abf49fe6b 100644
--- a/src/useStore.ts
+++ b/src/useStore.ts
@@ -12,7 +12,6 @@ import {
   SourceRange,
 } from './lang/executor'
 import { recast } from './lang/recast'
-import { asyncLexer } from './lang/tokeniser'
 import { EditorSelection } from '@codemirror/state'
 import { BaseDirectory } from '@tauri-apps/api/fs'
 import {
@@ -20,7 +19,7 @@ import {
   SourceRangeMap,
   EngineCommandManager,
 } from './lang/std/engineConnection'
-import { KCLError, KCLUndefinedValueError } from './lang/errors'
+import { KCLError } from './lang/errors'
 
 export type Selection = {
   type: 'default' | 'line-end' | 'line-mid'