--- a/src/pyams_skin/resources/less/widgets.less	Wed Jun 07 10:10:23 2017 +0200
+++ b/src/pyams_skin/resources/less/widgets.less	Wed Jun 07 10:10:48 2017 +0200
@@ -1226,6 +1226,11 @@
 					display: none;
 				}
 			}
+			.select2-choices {
+				.select2-search-field {
+					display: none;
+				}
+			}
 		}
 		&-multi {
 			&.select2-container-active .select2-choices {