diff --git a/core/block.ts b/core/block.ts
index c3dc037c5..9c68bc4cd 100644
--- a/core/block.ts
+++ b/core/block.ts
@@ -43,6 +43,10 @@ import {ValueInput} from './inputs/value_input.js';
 import type {IASTNodeLocation} from './interfaces/i_ast_node_location.js';
 import {isCommentIcon} from './interfaces/i_comment_icon.js';
 import {type IIcon} from './interfaces/i_icon.js';
+import type {
+  IVariableModel,
+  IVariableState,
+} from './interfaces/i_variable_model.js';
 import * as registry from './registry.js';
 import * as Tooltip from './tooltip.js';
 import * as arrayUtils from './utils/array.js';
@@ -51,10 +55,6 @@ import * as deprecation from './utils/deprecation.js';
 import * as idGenerator from './utils/idgenerator.js';
 import * as parsing from './utils/parsing.js';
 import {Size} from './utils/size.js';
-import type {
-  IVariableModel, 
-  IVariableState,
-} from './interfaces/i_variable_model.js';
 import type {Workspace} from './workspace.js';
 
 /**
diff --git a/core/block_flyout_inflater.ts b/core/block_flyout_inflater.ts
index b22d2a821..b888e5f3a 100644
--- a/core/block_flyout_inflater.ts
+++ b/core/block_flyout_inflater.ts
@@ -4,21 +4,21 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import type {IFlyout} from './interfaces/i_flyout.js';
-import type {IFlyoutInflater} from './interfaces/i_flyout_inflater.js';
-import type {IBoundedElement} from './interfaces/i_bounded_element.js';
 import {BlockSvg} from './block_svg.js';
-import type {WorkspaceSvg} from './workspace_svg.js';
-import * as utilsXml from './utils/xml.js';
-import * as eventUtils from './events/utils.js';
-import * as Xml from './xml.js';
-import * as blocks from './serialization/blocks.js';
+import * as browserEvents from './browser_events.js';
 import * as common from './common.js';
-import * as registry from './registry.js';
 import {MANUALLY_DISABLED} from './constants.js';
 import type {Abstract as AbstractEvent} from './events/events_abstract.js';
+import {EventType} from './events/type.js';
+import type {IBoundedElement} from './interfaces/i_bounded_element.js';
+import type {IFlyout} from './interfaces/i_flyout.js';
+import type {IFlyoutInflater} from './interfaces/i_flyout_inflater.js';
+import * as registry from './registry.js';
+import * as blocks from './serialization/blocks.js';
 import type {BlockInfo} from './utils/toolbox.js';
-import * as browserEvents from './browser_events.js';
+import * as utilsXml from './utils/xml.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
+import * as Xml from './xml.js';
 
 /**
  * The language-neutral ID for when the reason why a block is disabled is
@@ -51,7 +51,7 @@ export class BlockFlyoutInflater implements IFlyoutInflater {
    * @param flyoutWorkspace The workspace to create the block on.
    * @returns A newly created block.
    */
-  load(state: Object, flyoutWorkspace: WorkspaceSvg): IBoundedElement {
+  load(state: object, flyoutWorkspace: WorkspaceSvg): IBoundedElement {
     this.setFlyoutWorkspace(flyoutWorkspace);
     this.flyout = flyoutWorkspace.targetWorkspace?.getFlyout() ?? undefined;
     const block = this.createBlock(state as BlockInfo, flyoutWorkspace);
@@ -114,7 +114,7 @@ export class BlockFlyoutInflater implements IFlyoutInflater {
    * @param defaultGap The default spacing for flyout items.
    * @returns The amount of space that should follow this block.
    */
-  gapForElement(state: Object, defaultGap: number): number {
+  gapForElement(state: object, defaultGap: number): number {
     const blockState = state as BlockInfo;
     let gap;
     if (blockState['gap']) {
@@ -245,8 +245,8 @@ export class BlockFlyoutInflater implements IFlyoutInflater {
       !this.flyoutWorkspace ||
       (event &&
         !(
-          event.type === eventUtils.BLOCK_CREATE ||
-          event.type === eventUtils.BLOCK_DELETE
+          event.type === EventType.BLOCK_CREATE ||
+          event.type === EventType.BLOCK_DELETE
         ))
     )
       return;
diff --git a/core/blockly.ts b/core/blockly.ts
index 5d0a9ae15..d0543abbe 100644
--- a/core/blockly.ts
+++ b/core/blockly.ts
@@ -483,7 +483,6 @@ export {
   BlockFlyoutInflater,
   ButtonFlyoutInflater,
   CodeGenerator,
-  CodeGenerator,
   Field,
   FieldCheckbox,
   FieldCheckboxConfig,
@@ -495,18 +494,11 @@ export {
   FieldDropdownFromJsonConfig,
   FieldDropdownValidator,
   FieldImage,
-  FieldImage,
-  FieldImageConfig,
   FieldImageConfig,
   FieldImageFromJsonConfig,
-  FieldImageFromJsonConfig,
-  FieldLabel,
   FieldLabel,
   FieldLabelConfig,
-  FieldLabelConfig,
   FieldLabelFromJsonConfig,
-  FieldLabelFromJsonConfig,
-  FieldLabelSerializable,
   FieldLabelSerializable,
   FieldNumber,
   FieldNumberConfig,
diff --git a/core/button_flyout_inflater.ts b/core/button_flyout_inflater.ts
index 703dc6069..fc788ea5b 100644
--- a/core/button_flyout_inflater.ts
+++ b/core/button_flyout_inflater.ts
@@ -4,12 +4,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import type {IFlyoutInflater} from './interfaces/i_flyout_inflater.js';
-import type {IBoundedElement} from './interfaces/i_bounded_element.js';
-import type {WorkspaceSvg} from './workspace_svg.js';
 import {FlyoutButton} from './flyout_button.js';
-import {ButtonOrLabelInfo} from './utils/toolbox.js';
+import type {IBoundedElement} from './interfaces/i_bounded_element.js';
+import type {IFlyoutInflater} from './interfaces/i_flyout_inflater.js';
 import * as registry from './registry.js';
+import {ButtonOrLabelInfo} from './utils/toolbox.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
 
 /**
  * Class responsible for creating buttons for flyouts.
@@ -22,7 +22,7 @@ export class ButtonFlyoutInflater implements IFlyoutInflater {
    * @param flyoutWorkspace The workspace to create the button on.
    * @returns A newly created FlyoutButton.
    */
-  load(state: Object, flyoutWorkspace: WorkspaceSvg): IBoundedElement {
+  load(state: object, flyoutWorkspace: WorkspaceSvg): IBoundedElement {
     const button = new FlyoutButton(
       flyoutWorkspace,
       flyoutWorkspace.targetWorkspace!,
@@ -40,7 +40,7 @@ export class ButtonFlyoutInflater implements IFlyoutInflater {
    * @param defaultGap The default spacing for flyout items.
    * @returns The amount of space that should follow this button.
    */
-  gapForElement(state: Object, defaultGap: number): number {
+  gapForElement(state: object, defaultGap: number): number {
     return defaultGap;
   }
 
diff --git a/core/events/events_var_type_change.ts b/core/events/events_var_type_change.ts
index ab8686620..c02a7e454 100644
--- a/core/events/events_var_type_change.ts
+++ b/core/events/events_var_type_change.ts
@@ -10,21 +10,21 @@
  * @class
  */
 
-import * as registry from '../registry.js';
 import type {
   IVariableModel,
   IVariableState,
 } from '../interfaces/i_variable_model.js';
+import * as registry from '../registry.js';
 
-import {VarBase, VarBaseJson} from './events_var_base.js';
-import * as eventUtils from './utils.js';
 import type {Workspace} from '../workspace.js';
+import {VarBase, VarBaseJson} from './events_var_base.js';
+import {EventType} from './type.js';
 
 /**
  * Notifies listeners that a variable's type has changed.
  */
 export class VarTypeChange extends VarBase {
-  override type = eventUtils.VAR_TYPE_CHANGE;
+  override type = EventType.VAR_TYPE_CHANGE;
 
   /**
    * @param variable The variable whose type changed. Undefined for a blank event.
@@ -117,6 +117,6 @@ export interface VarTypeChangeJson extends VarBaseJson {
 
 registry.register(
   registry.Type.EVENT,
-  eventUtils.VAR_TYPE_CHANGE,
+  EventType.VAR_TYPE_CHANGE,
   VarTypeChange,
 );
diff --git a/core/events/type.ts b/core/events/type.ts
index db9ad6c96..0928b8ff0 100644
--- a/core/events/type.ts
+++ b/core/events/type.ts
@@ -28,6 +28,8 @@ export enum EventType {
   VAR_DELETE = 'var_delete',
   /** Type of event that renames a variable. */
   VAR_RENAME = 'var_rename',
+  /** Type of event that changes the type of a variable. */
+  VAR_TYPE_CHANGE = 'var_type_change',
   /**
    * Type of generic event that records a UI change.
    *
diff --git a/core/field_textinput.ts b/core/field_textinput.ts
index 5b754624a..2b896ad47 100644
--- a/core/field_textinput.ts
+++ b/core/field_textinput.ts
@@ -21,8 +21,8 @@ import {
   FieldInputValidator,
 } from './field_input.js';
 import * as fieldRegistry from './field_registry.js';
-import * as parsing from './utils/parsing.js';
 import * as dom from './utils/dom.js';
+import * as parsing from './utils/parsing.js';
 
 /**
  * Class for an editable text field.
diff --git a/core/field_variable.ts b/core/field_variable.ts
index 0c890f4d7..ad9037e96 100644
--- a/core/field_variable.ts
+++ b/core/field_variable.ts
@@ -22,17 +22,17 @@ import {
   MenuGenerator,
   MenuOption,
 } from './field_dropdown.js';
-import * as dom from './utils/dom.js';
 import * as fieldRegistry from './field_registry.js';
+import {IVariableModel, IVariableState} from './interfaces/i_variable_model.js';
 import * as internalConstants from './internal_constants.js';
 import type {Menu} from './menu.js';
 import type {MenuItem} from './menuitem.js';
-import {WorkspaceSvg} from './workspace_svg.js';
 import {Msg} from './msg.js';
+import * as dom from './utils/dom.js';
 import * as parsing from './utils/parsing.js';
 import {Size} from './utils/size.js';
-import {IVariableModel, IVariableState} from './interfaces/i_variable_model.js';
 import * as Variables from './variables.js';
+import {WorkspaceSvg} from './workspace_svg.js';
 import * as Xml from './xml.js';
 
 /**
diff --git a/core/flyout_base.ts b/core/flyout_base.ts
index 5b41a8004..54248edfd 100644
--- a/core/flyout_base.ts
+++ b/core/flyout_base.ts
@@ -642,8 +642,8 @@ export abstract class Flyout
     // user typing long strings into fields on the blocks in the flyout.
     this.reflowWrapper = (event) => {
       if (
-        event.type === eventUtils.BLOCK_CHANGE ||
-        event.type === eventUtils.BLOCK_FIELD_INTERMEDIATE_CHANGE
+        event.type === EventType.BLOCK_CHANGE ||
+        event.type === EventType.BLOCK_FIELD_INTERMEDIATE_CHANGE
       ) {
         this.reflow();
       }
diff --git a/core/icons/comment_icon.ts b/core/icons/comment_icon.ts
index f252c4f59..78bf601f7 100644
--- a/core/icons/comment_icon.ts
+++ b/core/icons/comment_icon.ts
@@ -199,7 +199,6 @@ export class CommentIcon extends Icon implements IHasBubble, ISerializable {
   setBubbleLocation(location: Coordinate) {
     this.bubbleLocation = location;
     this.textInputBubble?.moveDuringDrag(location);
-    this.textBubble?.moveDuringDrag(location);
   }
 
   /**
diff --git a/core/interfaces/i_comment_icon.ts b/core/interfaces/i_comment_icon.ts
index 52e550290..05f86f40f 100644
--- a/core/interfaces/i_comment_icon.ts
+++ b/core/interfaces/i_comment_icon.ts
@@ -6,8 +6,8 @@
 
 import {CommentState} from '../icons/comment_icon.js';
 import {IconType} from '../icons/icon_types.js';
-import {Size} from '../utils/size.js';
 import {Coordinate} from '../utils/coordinate.js';
+import {Size} from '../utils/size.js';
 import {IHasBubble, hasBubble} from './i_has_bubble.js';
 import {IIcon, isIcon} from './i_icon.js';
 import {ISerializable, isSerializable} from './i_serializable.js';
diff --git a/core/interfaces/i_flyout_inflater.ts b/core/interfaces/i_flyout_inflater.ts
index f4a3b6ee9..31f4c23fc 100644
--- a/core/interfaces/i_flyout_inflater.ts
+++ b/core/interfaces/i_flyout_inflater.ts
@@ -1,5 +1,5 @@
-import type {IBoundedElement} from './i_bounded_element.js';
 import type {WorkspaceSvg} from '../workspace_svg.js';
+import type {IBoundedElement} from './i_bounded_element.js';
 
 export interface IFlyoutInflater {
   /**
@@ -16,7 +16,7 @@ export interface IFlyoutInflater {
    *    element, however.
    * @returns The newly inflated flyout element.
    */
-  load(state: Object, flyoutWorkspace: WorkspaceSvg): IBoundedElement;
+  load(state: object, flyoutWorkspace: WorkspaceSvg): IBoundedElement;
 
   /**
    * Returns the amount of spacing that should follow the element corresponding
@@ -26,7 +26,7 @@ export interface IFlyoutInflater {
    * @param defaultGap The default gap for elements in this flyout.
    * @returns The gap that should follow the given element.
    */
-  gapForElement(state: Object, defaultGap: number): number;
+  gapForElement(state: object, defaultGap: number): number;
 
   /**
    * Disposes of the given element.
diff --git a/core/interfaces/i_variable_backed_parameter_model.ts b/core/interfaces/i_variable_backed_parameter_model.ts
index 4fda2df46..444deb601 100644
--- a/core/interfaces/i_variable_backed_parameter_model.ts
+++ b/core/interfaces/i_variable_backed_parameter_model.ts
@@ -4,8 +4,8 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import type {IVariableModel, IVariableState} from './i_variable_model.js';
 import {IParameterModel} from './i_parameter_model.js';
+import type {IVariableModel, IVariableState} from './i_variable_model.js';
 
 /** Interface for a parameter model that holds a variable model. */
 export interface IVariableBackedParameterModel extends IParameterModel {
diff --git a/core/label_flyout_inflater.ts b/core/label_flyout_inflater.ts
index 67b02857a..ad304a9a6 100644
--- a/core/label_flyout_inflater.ts
+++ b/core/label_flyout_inflater.ts
@@ -4,12 +4,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import type {IFlyoutInflater} from './interfaces/i_flyout_inflater.js';
-import type {IBoundedElement} from './interfaces/i_bounded_element.js';
-import type {WorkspaceSvg} from './workspace_svg.js';
 import {FlyoutButton} from './flyout_button.js';
-import {ButtonOrLabelInfo} from './utils/toolbox.js';
+import type {IBoundedElement} from './interfaces/i_bounded_element.js';
+import type {IFlyoutInflater} from './interfaces/i_flyout_inflater.js';
 import * as registry from './registry.js';
+import {ButtonOrLabelInfo} from './utils/toolbox.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
 
 /**
  * Class responsible for creating labels for flyouts.
@@ -22,7 +22,7 @@ export class LabelFlyoutInflater implements IFlyoutInflater {
    * @param flyoutWorkspace The workspace to create the label on.
    * @returns A FlyoutButton configured as a label.
    */
-  load(state: Object, flyoutWorkspace: WorkspaceSvg): IBoundedElement {
+  load(state: object, flyoutWorkspace: WorkspaceSvg): IBoundedElement {
     const label = new FlyoutButton(
       flyoutWorkspace,
       flyoutWorkspace.targetWorkspace!,
@@ -40,7 +40,7 @@ export class LabelFlyoutInflater implements IFlyoutInflater {
    * @param defaultGap The default spacing for flyout items.
    * @returns The amount of space that should follow this label.
    */
-  gapForElement(state: Object, defaultGap: number): number {
+  gapForElement(state: object, defaultGap: number): number {
     return defaultGap;
   }
 
diff --git a/core/names.ts b/core/names.ts
index 9976da224..db7486f71 100644
--- a/core/names.ts
+++ b/core/names.ts
@@ -11,12 +11,12 @@
  */
 // Former goog.module ID: Blockly.Names
 
-import {Msg} from './msg.js';
 import type {IVariableMap} from './interfaces/i_variable_map.js';
 import type {
   IVariableModel,
   IVariableState,
 } from './interfaces/i_variable_model.js';
+import {Msg} from './msg.js';
 import * as Variables from './variables.js';
 import type {Workspace} from './workspace.js';
 
diff --git a/core/renderers/common/renderer.ts b/core/renderers/common/renderer.ts
index f223cffa0..01de1f877 100644
--- a/core/renderers/common/renderer.ts
+++ b/core/renderers/common/renderer.ts
@@ -13,7 +13,6 @@ import {ConnectionType} from '../../connection_type.js';
 import type {IRegistrable} from '../../interfaces/i_registrable.js';
 import type {Marker} from '../../keyboard_nav/marker.js';
 import type {BlockStyle, Theme} from '../../theme.js';
-import * as deprecation from '../../utils/deprecation.js';
 import type {WorkspaceSvg} from '../../workspace_svg.js';
 import {ConstantProvider} from './constants.js';
 import {Drawer} from './drawer.js';
diff --git a/core/renderers/zelos/renderer.ts b/core/renderers/zelos/renderer.ts
index fb46921d6..c880ce9f8 100644
--- a/core/renderers/zelos/renderer.ts
+++ b/core/renderers/zelos/renderer.ts
@@ -9,7 +9,6 @@
 import type {BlockSvg} from '../../block_svg.js';
 import type {Marker} from '../../keyboard_nav/marker.js';
 import type {BlockStyle} from '../../theme.js';
-import * as deprecation from '../../utils/deprecation.js';
 import type {WorkspaceSvg} from '../../workspace_svg.js';
 import * as blockRendering from '../common/block_rendering.js';
 import type {RenderInfo as BaseRenderInfo} from '../common/info.js';
diff --git a/core/separator_flyout_inflater.ts b/core/separator_flyout_inflater.ts
index 5ed02aeb9..8c0acf2f5 100644
--- a/core/separator_flyout_inflater.ts
+++ b/core/separator_flyout_inflater.ts
@@ -4,12 +4,12 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import type {IFlyoutInflater} from './interfaces/i_flyout_inflater.js';
-import type {IBoundedElement} from './interfaces/i_bounded_element.js';
-import type {WorkspaceSvg} from './workspace_svg.js';
 import {FlyoutSeparator, SeparatorAxis} from './flyout_separator.js';
-import type {SeparatorInfo} from './utils/toolbox.js';
+import type {IBoundedElement} from './interfaces/i_bounded_element.js';
+import type {IFlyoutInflater} from './interfaces/i_flyout_inflater.js';
 import * as registry from './registry.js';
+import type {SeparatorInfo} from './utils/toolbox.js';
+import type {WorkspaceSvg} from './workspace_svg.js';
 
 /**
  * Class responsible for creating separators for flyouts.
@@ -33,7 +33,7 @@ export class SeparatorFlyoutInflater implements IFlyoutInflater {
    * @param flyoutWorkspace The workspace the separator belongs to.
    * @returns A newly created FlyoutSeparator.
    */
-  load(_state: Object, flyoutWorkspace: WorkspaceSvg): IBoundedElement {
+  load(_state: object, flyoutWorkspace: WorkspaceSvg): IBoundedElement {
     const flyoutAxis = flyoutWorkspace.targetWorkspace?.getFlyout()
       ?.horizontalLayout
       ? SeparatorAxis.X
@@ -48,7 +48,7 @@ export class SeparatorFlyoutInflater implements IFlyoutInflater {
    * @param defaultGap The default spacing for flyout items.
    * @returns The desired size of the separator.
    */
-  gapForElement(state: Object, defaultGap: number): number {
+  gapForElement(state: object, defaultGap: number): number {
     const separatorState = state as SeparatorInfo;
     const newGap = parseInt(String(separatorState['gap']));
     return newGap ?? defaultGap;
diff --git a/core/serialization/blocks.ts b/core/serialization/blocks.ts
index e729f6826..0c4f06c59 100644
--- a/core/serialization/blocks.ts
+++ b/core/serialization/blocks.ts
@@ -36,7 +36,6 @@ import * as priorities from './priorities.js';
 import * as serializationRegistry from './registry.js';
 
 // TODO(#5160): Remove this once lint is fixed.
-/* eslint-disable no-use-before-define */
 
 /**
  * Represents the state of a connection.
diff --git a/core/serialization/variables.ts b/core/serialization/variables.ts
index 31c5eb1de..d9c266fb8 100644
--- a/core/serialization/variables.ts
+++ b/core/serialization/variables.ts
@@ -8,9 +8,9 @@
 
 import type {ISerializer} from '../interfaces/i_serializer.js';
 import type {IVariableState} from '../interfaces/i_variable_model.js';
+import * as registry from '../registry.js';
 import type {Workspace} from '../workspace.js';
 import * as priorities from './priorities.js';
-import * as registry from '../registry.js';
 import * as serializationRegistry from './registry.js';
 
 /**
diff --git a/core/variable_model.ts b/core/variable_model.ts
index 9c959f4f3..4cd16a9c3 100644
--- a/core/variable_model.ts
+++ b/core/variable_model.ts
@@ -14,6 +14,7 @@
 // Unused import preserved for side-effects. Remove if unneeded.
 import './events/events_var_create.js';
 
+import {EventType} from './events/type.js';
 import * as eventUtils from './events/utils.js';
 import {IVariableModel, IVariableState} from './interfaces/i_variable_model.js';
 import * as registry from './registry.js';
@@ -138,7 +139,7 @@ export class VariableModel implements IVariableModel<IVariableState> {
       state['id'],
     );
     workspace.getVariableMap().addVariable(variable);
-    eventUtils.fire(new (eventUtils.get(eventUtils.VAR_CREATE))(variable));
+    eventUtils.fire(new (eventUtils.get(EventType.VAR_CREATE))(variable));
   }
 }
 
diff --git a/core/variables.ts b/core/variables.ts
index a7f571fa4..75f0c3cf8 100644
--- a/core/variables.ts
+++ b/core/variables.ts
@@ -11,9 +11,9 @@ import {Blocks} from './blocks.js';
 import * as dialog from './dialog.js';
 import {isLegacyProcedureDefBlock} from './interfaces/i_legacy_procedure_blocks.js';
 import {isVariableBackedParameterModel} from './interfaces/i_variable_backed_parameter_model.js';
+import {IVariableModel, IVariableState} from './interfaces/i_variable_model.js';
 import {Msg} from './msg.js';
 import * as utilsXml from './utils/xml.js';
-import {IVariableModel, IVariableState} from './interfaces/i_variable_model.js';
 import type {Workspace} from './workspace.js';
 import type {WorkspaceSvg} from './workspace_svg.js';
 
diff --git a/core/xml.ts b/core/xml.ts
index dad3116c9..a1aaa8114 100644
--- a/core/xml.ts
+++ b/core/xml.ts
@@ -17,15 +17,15 @@ import * as eventUtils from './events/utils.js';
 import type {Field} from './field.js';
 import {IconType} from './icons/icon_types.js';
 import {inputTypes} from './inputs/input_types.js';
+import type {
+  IVariableModel,
+  IVariableState,
+} from './interfaces/i_variable_model.js';
 import * as renderManagement from './render_management.js';
 import {Coordinate} from './utils/coordinate.js';
 import * as dom from './utils/dom.js';
 import {Size} from './utils/size.js';
 import * as utilsXml from './utils/xml.js';
-import type {
-  IVariableModel,
-  IVariableState,
-} from './interfaces/i_variable_model.js';
 import * as Variables from './variables.js';
 import type {Workspace} from './workspace.js';
 import {WorkspaceSvg} from './workspace_svg.js';