Index: code/ship/ship.cpp
===================================================================
--- code/ship/ship.cpp	(revision 10819)
+++ code/ship/ship.cpp	(working copy)
@@ -12262,9 +12262,7 @@
 			case SUBSYSTEM_SOLAR:
 			case SUBSYSTEM_GAS_COLLECT:
 			case SUBSYSTEM_ACTIVATION:
-				break;
 			case SUBSYSTEM_TURRET:
-				Assertion( !(psub->flags & MSS_FLAG_ROTATES), "Turret %s on ship %s has the $rotate or $triggered subobject property defined. Please fix the model.\n", psub->name, Ship_info[shipp->ship_info_index].name ); // Turrets can't rotate!!! See John!
 				break;
 			default:
 				Error(LOCATION, "Illegal subsystem type.\n");