diff --git a/src/renderers/WebGLRenderer.js b/src/renderers/WebGLRenderer.js
index 620e47f42eecff2ad2f24dbc5da0133cab681645..38ba4a16cdd2eaa78cc867b59b14adbe6fec691e 100644
--- a/src/renderers/WebGLRenderer.js
+++ b/src/renderers/WebGLRenderer.js
@@ -322,18 +322,6 @@ function WebGLRenderer( parameters ) {
 
 	}
 
-	function glClearColor( r, g, b, a ) {
-
-		if ( _premultipliedAlpha === true ) {
-
-			r *= a; g *= a; b *= a;
-
-		}
-
-		state.clearColor( r, g, b, a );
-
-	}
-
 	function setDefaultGLState() {
 
 		state.init();
@@ -341,7 +329,7 @@ function WebGLRenderer( parameters ) {
 		state.scissor( _currentScissor.copy( _scissor ).multiplyScalar( _pixelRatio ) );
 		state.viewport( _currentViewport.copy( _viewport ).multiplyScalar( _pixelRatio ) );
 
-		glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );
+		state.buffers.color.setClear( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha, _premultipliedAlpha );
 
 	}
 
@@ -485,7 +473,7 @@ function WebGLRenderer( parameters ) {
 
 		_clearAlpha = alpha !== undefined ? alpha : 1;
 
-		glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );
+		state.buffers.color.setClear( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha, _premultipliedAlpha );
 
 	};
 
@@ -499,7 +487,7 @@ function WebGLRenderer( parameters ) {
 
 		_clearAlpha = alpha;
 
-		glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );
+		state.buffers.color.setClear( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha, _premultipliedAlpha );
 
 	};
 
@@ -1209,11 +1197,11 @@ function WebGLRenderer( parameters ) {
 
 		if ( background === null ) {
 
-			glClearColor( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha );
+			state.buffers.color.setClear( _clearColor.r, _clearColor.g, _clearColor.b, _clearAlpha, _premultipliedAlpha );
 
 		} else if ( background && background.isColor ) {
 
-			glClearColor( background.r, background.g, background.b, 1 );
+			state.buffers.color.setClear( background.r, background.g, background.b, 1, _premultipliedAlpha );
 			forceClear = true;
 
 		}
@@ -1742,7 +1730,7 @@ function WebGLRenderer( parameters ) {
 				material.needsUpdate = true;
 
 			} else if ( materialProperties.numClippingPlanes !== undefined &&
-				( materialProperties.numClippingPlanes !== _clipping.numPlanes || 
+				( materialProperties.numClippingPlanes !== _clipping.numPlanes ||
  				  materialProperties.numIntersection  !== _clipping.numIntersection ) ) {
 
 				material.needsUpdate = true;
diff --git a/src/renderers/webgl/WebGLShadowMap.js b/src/renderers/webgl/WebGLShadowMap.js
index 93cf402a86f538f152b0855577f70dcabd2aafc5..e2438c1077beb544645ecc6e3713712599943021 100644
--- a/src/renderers/webgl/WebGLShadowMap.js
+++ b/src/renderers/webgl/WebGLShadowMap.js
@@ -115,7 +115,7 @@ function WebGLShadowMap( _renderer, _lights, _objects, capabilities ) {
 		if ( _lightShadows.length === 0 ) return;
 
 		// Set GL state for depth map.
-		_state.clearColor( 1, 1, 1, 1 );
+		_state.buffers.color.setClear( 1, 1, 1, 1 );
 		_state.disable( _gl.BLEND );
 		_state.setDepthTest( true );
 		_state.setScissorTest( false );
diff --git a/src/renderers/webgl/WebGLState.js b/src/renderers/webgl/WebGLState.js
index 65d600d6985daf3b6236af7778e8871d82289584..4ad69938f836a168e5012297ef6537f8b9bdd1da 100644
--- a/src/renderers/webgl/WebGLState.js
+++ b/src/renderers/webgl/WebGLState.js
@@ -34,7 +34,13 @@ function WebGLState( gl, extensions, paramThreeToGL ) {
 
 			},
 
-			setClear: function ( r, g, b, a ) {
+			setClear: function ( r, g, b, a, premultipliedAlpha ) {
+
+				if ( premultipliedAlpha === true ) {
+
+					r *= a; g *= a; b *= a;
+
+				}
 
 				color.set( r, g, b, a );
 
@@ -369,9 +375,9 @@ function WebGLState( gl, extensions, paramThreeToGL ) {
 
 	function init() {
 
-		clearColor( 0, 0, 0, 1 );
-		clearDepth( 1 );
-		clearStencil( 0 );
+		colorBuffer.setClear( 0, 0, 0, 1 );
+		depthBuffer.setClear( 1 );
+		stencilBuffer.setClear( 0 );
 
 		enable( gl.DEPTH_TEST );
 		setDepthFunc( LessEqualDepth );
@@ -850,26 +856,6 @@ function WebGLState( gl, extensions, paramThreeToGL ) {
 
 	}
 
-	// TODO Deprecate
-
-	function clearColor( r, g, b, a ) {
-
-		colorBuffer.setClear( r, g, b, a );
-
-	}
-
-	function clearDepth( depth ) {
-
-		depthBuffer.setClear( depth );
-
-	}
-
-	function clearStencil( stencil ) {
-
-		stencilBuffer.setClear( stencil );
-
-	}
-
 	//
 
 	function scissor( scissor ) {
@@ -969,10 +955,6 @@ function WebGLState( gl, extensions, paramThreeToGL ) {
 		compressedTexImage2D: compressedTexImage2D,
 		texImage2D: texImage2D,
 
-		clearColor: clearColor,
-		clearDepth: clearDepth,
-		clearStencil: clearStencil,
-
 		scissor: scissor,
 		viewport: viewport,