diff --git a/components/canvas/webgl_thread.rs b/components/canvas/webgl_thread.rs
index a90c996f8bb..8e43d7c1295 100644
--- a/components/canvas/webgl_thread.rs
+++ b/components/canvas/webgl_thread.rs
@@ -736,8 +736,6 @@ impl WebGLImpl {
                 ctx.gl().stencil_op(fail, zfail, zpass),
             WebGLCommand::StencilOpSeparate(face, fail, zfail, zpass) =>
                 ctx.gl().stencil_op_separate(face, fail, zfail, zpass),
-            WebGLCommand::GetActiveAttrib(program_id, index, ref chan) =>
-                Self::active_attrib(ctx.gl(), program_id, index, chan),
             WebGLCommand::GetActiveUniform(program_id, index, ref chan) =>
                 Self::active_uniform(ctx.gl(), program_id, index, chan),
             WebGLCommand::GetRenderbufferParameter(target, pname, ref chan) =>
@@ -1045,25 +1043,6 @@ impl WebGLImpl {
       chan.send(result.into()).unwrap()
     }
 
-    #[allow(unsafe_code)]
-    fn active_attrib(
-        gl: &gl::Gl,
-        program_id: WebGLProgramId,
-        index: u32,
-        chan: &WebGLSender<WebGLResult<(i32, u32, String)>>,
-    ) {
-        let mut max = [0];
-        unsafe {
-            gl.get_program_iv(program_id.get(), gl::ACTIVE_ATTRIBUTES, &mut max);
-        }
-        let result = if index >= max[0] as u32 {
-            Err(WebGLError::InvalidValue)
-        } else {
-            Ok(gl.get_active_attrib(program_id.get(), index))
-        };
-        chan.send(result).unwrap();
-    }
-
     #[allow(unsafe_code)]
     fn active_uniform(gl: &gl::Gl,
                       program_id: WebGLProgramId,
diff --git a/components/canvas_traits/webgl.rs b/components/canvas_traits/webgl.rs
index 793f687698b..5f5c02333a8 100644
--- a/components/canvas_traits/webgl.rs
+++ b/components/canvas_traits/webgl.rs
@@ -207,7 +207,6 @@ pub enum WebGLCommand {
     FramebufferTexture2D(u32, u32, u32, Option<WebGLTextureId>, i32),
     GetExtensions(WebGLSender<String>),
     GetShaderPrecisionFormat(u32, u32, WebGLSender<(i32, i32, i32)>),
-    GetActiveAttrib(WebGLProgramId, u32, WebGLSender<WebGLResult<(i32, u32, String)>>),
     GetActiveUniform(WebGLProgramId, u32, WebGLSender<WebGLResult<(i32, u32, String)>>),
     GetUniformLocation(WebGLProgramId, String, WebGLSender<Option<i32>>),
     GetShaderInfoLog(WebGLShaderId, WebGLSender<String>),