diff --git a/Source/VCGeneration/VCGen.cs b/Source/VCGeneration/VCGen.cs
index 1cc591207..ed3393daa 100644
--- a/Source/VCGeneration/VCGen.cs
+++ b/Source/VCGeneration/VCGen.cs
@@ -58,9 +58,12 @@ public static AssumeCmd AssertTurnedIntoAssume(VCGenOptions options, AssertCmd a
       }
 
       var assume = new AssumeCmd(assrt.tok, expr);
-      // Copy any {:id ...} from the assertion to the assumption, so
-      // we can track it while analyzing verification coverage.
-      (assume as ICarriesAttributes).CopyIdFrom(assrt.tok, assrt);
+      if (expr != Expr.True) {
+        // Copy any {:id ...} from the assertion to the assumption, so
+        // we can track it while analyzing verification coverage. But
+        // skip it if it's `true` because that's never useful to track.
+        (assume as ICarriesAttributes).CopyIdFrom(assrt.tok, assrt);
+      }
       return assume;
     }