diff --git a/protocol_rest.go b/protocol_rest.go
index ae724a7..3d0b4f0 100644
--- a/protocol_rest.go
+++ b/protocol_rest.go
@@ -139,7 +139,6 @@ func (r restClientProtocol) encodeEnd(op *operation, end *responseEnd, writer io
 func (r restClientProtocol) requestNeedsPrep(op *operation) bool {
 	return len(op.restTarget.vars) != 0 ||
 		len(op.request.URL.Query()) != 0 ||
-		op.restTarget.requestBodyFields != nil ||
 		restHTTPBodyRequest(op) ||
 		// non-nil, empty requestBodyFields means the request
 		// uses the entire body, but anything else requires prep