diff --git a/src/Magnum/Implementation/maxTextureSize.h b/src/Magnum/Implementation/maxTextureSize.h
index 97c967abf..ed9929245 100644
--- a/src/Magnum/Implementation/maxTextureSize.h
+++ b/src/Magnum/Implementation/maxTextureSize.h
@@ -31,7 +31,9 @@ namespace Magnum { namespace Implementation {
 
 GLint maxTextureSideSize();
 GLint max3DTextureDepth();
+#ifndef MAGNUM_TARGET_GLES2
 GLint maxTextureArrayLayers();
+#endif
 GLint maxCubeMapTextureSideSize();
 
 }}