diff --git a/src/lib.rs b/src/lib.rs
index c0c2c519..7b2ffb94 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -489,7 +489,6 @@ externs! {
     fn __wbindgen_symbol_new(ptr: *const u8, len: usize) -> u32;
     fn __wbindgen_is_symbol(idx: u32) -> u32;
     fn __wbindgen_is_object(idx: u32) -> u32;
-    fn __wbindgen_is_array(idx: u32) -> u32;
     fn __wbindgen_is_function(idx: u32) -> u32;
     fn __wbindgen_is_string(idx: u32) -> u32;
     fn __wbindgen_string_get(idx: u32, len: *mut usize) -> *mut u8;