diff --git a/types/amcharts/index.d.ts b/types/amcharts/index.d.ts
index 36d419b47c..759e22e942 100644
--- a/types/amcharts/index.d.ts
+++ b/types/amcharts/index.d.ts
@@ -1,7 +1,6 @@
 // Type definitions for amCharts 3.21
 // Project: http://www.amcharts.com/
-// Definitions by: aleksey-bykov <https://github.com/aleksey-bykov>
-//                 ldrick <https://github.com/ldrick>
+// Definitions by: ldrick <https://github.com/ldrick>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.2