diff --git a/src/ai/ai_resource.cpp b/src/ai/ai_resource.cpp
index 58cb318b9..af1984660 100644
--- a/src/ai/ai_resource.cpp
+++ b/src/ai/ai_resource.cpp
@@ -1118,10 +1118,6 @@ static void AiCollectResources()
 				// i got a new unit.
 				priority_needed[i]--;
 
-				// Add to the assigned
-				units_assigned[c].push_back(unit);
-				num_units_assigned[c]++;
-
 				// Recompute priority now
 				break;
 			}