diff --git a/patch_test.go b/patch_test.go
index 2c03446..c0567a0 100644
--- a/patch_test.go
+++ b/patch_test.go
@@ -336,11 +336,6 @@ var BadCases = []BadCase{
 		`{ "baz": "qux" }`,
 		`[ { "op": "replace", "path": "/foo", "value": "bar" } ]`,
 	},
-	// Can't copy from non-existent "from" key.
-	{
-		`{ "foo": "bar"}`,
-		`[{"op": "copy", "path": "/qux", "from": "/baz"}]`,
-	},
 }
 
 // This is not thread safe, so we cannot run patch tests in parallel.