diff --git a/src/audio/Audio.js b/src/audio/Audio.js
index 8a6aab7a80679685b2a7eef1df9e598d31d760c7..95e4e03ee5891b5164ff0a37479a5985b5f19147 100644
--- a/src/audio/Audio.js
+++ b/src/audio/Audio.js
@@ -286,7 +286,7 @@ Audio.prototype = Object.assign( Object.create( Object3D.prototype ), {
 		return this.gain.gain.value;
 
 	},
-	
+
 	setVolume: function ( value ) {
 
 		this.gain.gain.value = value;
diff --git a/src/extras/ShapeUtils.js b/src/extras/ShapeUtils.js
index ec891a2b54749eac77892aef6585e645abf785a1..e389323f2fb52854a9dae893e9ff860c6ac2d4d2 100644
--- a/src/extras/ShapeUtils.js
+++ b/src/extras/ShapeUtils.js
@@ -185,7 +185,7 @@ var ShapeUtils = {
 			if ( indices ) return vertIndices;
 			return result;
 
-		}
+		};
 
 	} )(),
 
@@ -523,7 +523,7 @@ var ShapeUtils = {
 					hIdx, nextIdx, intersection;
 				for ( ihIdx = 0; ihIdx < indepHoles.length; ihIdx ++ ) {
 
-					chkHole = holes[ indepHoles[ ihIdx ]];
+					chkHole = holes[ indepHoles[ ihIdx ] ];
 					for ( hIdx = 0; hIdx < chkHole.length; hIdx ++ ) {
 
 						nextIdx = hIdx + 1; nextIdx %= chkHole.length;
@@ -556,7 +556,7 @@ var ShapeUtils = {
 				counter --;
 				if ( counter < 0 ) {
 
-					console.log( "Infinite Loop! Holes left:" + indepHoles.length + ", Probably Hole outside Shape!" );
+					console.log( 'THREE.ShapeUtils: Infinite Loop! Holes left:" + indepHoles.length + ", Probably Hole outside Shape!' );
 					break;
 
 				}
@@ -574,7 +574,7 @@ var ShapeUtils = {
 						holeIdx = indepHoles[ h ];
 
 						// prevent multiple checks
-						cutKey = shapePt.x + ":" + shapePt.y + ":" + holeIdx;
+						cutKey = shapePt.x + ':' + shapePt.y + ':' + holeIdx;
 						if ( failedCuts[ cutKey ] !== undefined )			continue;
 
 						hole = holes[ holeIdx ];
@@ -639,11 +639,11 @@ var ShapeUtils = {
 
 		for ( i = 0, il = allpoints.length; i < il; i ++ ) {
 
-			key = allpoints[ i ].x + ":" + allpoints[ i ].y;
+			key = allpoints[ i ].x + ':' + allpoints[ i ].y;
 
 			if ( allPointsMap[ key ] !== undefined ) {
 
-				console.warn( "THREE.ShapeUtils: Duplicate point", key, i );
+				console.warn( 'THREE.ShapeUtils: Duplicate point', key, i );
 
 			}
 
@@ -665,7 +665,7 @@ var ShapeUtils = {
 
 			for ( f = 0; f < 3; f ++ ) {
 
-				key = face[ f ].x + ":" + face[ f ].y;
+				key = face[ f ].x + ':' + face[ f ].y;
 
 				index = allPointsMap[ key ];
 
diff --git a/src/helpers/Box3Helper.js b/src/helpers/Box3Helper.js
index 528ae1f5a03762772d51950e9547fbaf5c8c99c5..1af4dd3765eb6ed06b11392d01133b4baadc9fbc 100644
--- a/src/helpers/Box3Helper.js
+++ b/src/helpers/Box3Helper.js
@@ -2,7 +2,6 @@
  * @author WestLangley / http://github.com/WestLangley
  */
 
-import { Box3 } from '../math/Box3';
 import { LineSegments } from '../objects/LineSegments';
 import { LineBasicMaterial } from '../materials/LineBasicMaterial';
 import { BufferAttribute } from '../core/BufferAttribute';
diff --git a/src/helpers/PlaneHelper.js b/src/helpers/PlaneHelper.js
index 968ea6aad8f392d2e8dd5991290e38e45db686d3..e733bcdb03cfd430e7adb40a7bdabef7f164ae27 100644
--- a/src/helpers/PlaneHelper.js
+++ b/src/helpers/PlaneHelper.js
@@ -2,7 +2,6 @@
  * @author WestLangley / http://github.com/WestLangley
  */
 
-import { Box3 } from '../math/Box3';
 import { Line } from '../objects/Line';
 import { Mesh } from '../objects/Mesh';
 import { LineBasicMaterial } from '../materials/LineBasicMaterial';
diff --git a/src/renderers/WebGL2Renderer.js b/src/renderers/WebGL2Renderer.js
index a329883bdccbac40e32f240fdbf5a221fb0289e7..9edcc6730bdf32f626238b23fd5b3ce805d35976 100644
--- a/src/renderers/WebGL2Renderer.js
+++ b/src/renderers/WebGL2Renderer.js
@@ -178,7 +178,7 @@ function WebGL2Renderer( parameters ) {
 		setPixelRatio: setPixelRatio,
 		setSize: setSize,
 		render: render
-	}
+	};
 
 }
 
diff --git a/src/renderers/WebGLRenderer.js b/src/renderers/WebGLRenderer.js
index c39a908d96a4ba0717d0f37ace4c713359d7bb9b..d02f31fcf26382b2f2581d2438f34ed5479c4214 100644
--- a/src/renderers/WebGLRenderer.js
+++ b/src/renderers/WebGLRenderer.js
@@ -459,14 +459,14 @@ function WebGLRenderer( parameters ) {
 
 	this.setViewport = function ( x, y, width, height ) {
 
-		_viewport.set( x, _height - y - height, width, height )
+		_viewport.set( x, _height - y - height, width, height );
 		state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );
 
 	};
 
 	this.setScissor = function ( x, y, width, height ) {
 
-		_scissor.set( x, _height - y - height, width, height )
+		_scissor.set( x, _height - y - height, width, height );
 		state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );
 
 	};
diff --git a/src/renderers/webgl/WebGLTextures.js b/src/renderers/webgl/WebGLTextures.js
index 0427272bd8644c15a820c7c74776debb09fe9b83..2e044343c446811db0dd417ac1def44fbed1fbe2 100644
--- a/src/renderers/webgl/WebGLTextures.js
+++ b/src/renderers/webgl/WebGLTextures.js
@@ -649,7 +649,7 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, paramT
 
 		} else {
 
-			throw new Error('Unknown depthTexture format')
+			throw new Error('Unknown depthTexture format');
 
 		}
 
diff --git a/src/textures/DepthTexture.js b/src/textures/DepthTexture.js
index 86b5be523f639df0a466e7bad764e11cc970e6f6..add8ff810adabe8784a72da9d20df687b4933a96 100644
--- a/src/textures/DepthTexture.js
+++ b/src/textures/DepthTexture.js
@@ -12,7 +12,7 @@ function DepthTexture( width, height, type, mapping, wrapS, wrapT, magFilter, mi
 
 	if ( format !== DepthFormat && format !== DepthStencilFormat ) {
 
-		throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' )
+		throw new Error( 'DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat' );
 
 	}