--- a/dom/canvas/WebGLShaderValidator.cpp
+++ b/dom/canvas/WebGLShaderValidator.cpp
@@ -145,26 +145,26 @@ WebGLContext::CreateShaderValidator(GLen
     resources.MaxVertexUniformVectors = mGLMaxVertexUniformVectors;
     resources.MaxVaryingVectors = mGLMaxVaryingVectors;
     resources.MaxVertexTextureImageUnits = mGLMaxVertexTextureImageUnits;
     resources.MaxCombinedTextureImageUnits = mGLMaxTextureUnits;
     resources.MaxTextureImageUnits = mGLMaxTextureImageUnits;
     resources.MaxFragmentUniformVectors = mGLMaxFragmentUniformVectors;
     resources.MaxDrawBuffers = mGLMaxDrawBuffers;
 
-    if (IsWebGL2() || IsExtensionEnabled(WebGLExtensionID::EXT_frag_depth))
+    if (IsExtensionEnabled(WebGLExtensionID::EXT_frag_depth))
         resources.EXT_frag_depth = 1;
 
-    if (IsWebGL2() || IsExtensionEnabled(WebGLExtensionID::OES_standard_derivatives))
+    if (IsExtensionEnabled(WebGLExtensionID::OES_standard_derivatives))
         resources.OES_standard_derivatives = 1;
 
-    if (IsWebGL2() || IsExtensionEnabled(WebGLExtensionID::WEBGL_draw_buffers))
+    if (IsExtensionEnabled(WebGLExtensionID::WEBGL_draw_buffers))
         resources.EXT_draw_buffers = 1;
 
-    if (IsWebGL2() || IsExtensionEnabled(WebGLExtensionID::EXT_shader_texture_lod))
+    if (IsExtensionEnabled(WebGLExtensionID::EXT_shader_texture_lod))
         resources.EXT_shader_texture_lod = 1;
 
     // Tell ANGLE to allow highp in frag shaders. (unless disabled)
     // If underlying GLES doesn't have highp in frag shaders, it should complain anyways.
     resources.FragmentPrecisionHigh = mDisableFragHighP ? 0 : 1;
 
     if (gl->WorkAroundDriverBugs()) {
 #ifdef XP_MACOSX