diff --git a/cpp/ql/test/library-tests/dataflow/dataflow-tests/type-bugs.expected b/cpp/ql/test/library-tests/dataflow/dataflow-tests/type-bugs.expected
index 87ebdc9e83a..2ba0cf2928b 100644
--- a/cpp/ql/test/library-tests/dataflow/dataflow-tests/type-bugs.expected
+++ b/cpp/ql/test/library-tests/dataflow/dataflow-tests/type-bugs.expected
@@ -1,41 +1,5 @@
 astTypeBugs
 irTypeBugs
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary param] *0 in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary param] this in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] read: Argument[*0].Element in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] read: Argument[*0].Element[****] in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] read: Argument[*0].Element[***] in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] read: Argument[*0].Element[**] in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] read: Argument[*0].Element[*] in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] to write: Argument[this] in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] to write: Argument[this].Element in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] to write: Argument[this].Element[****] in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] to write: Argument[this].Element[***] in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] to write: Argument[this].Element[**] in iterator |
-| ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | ../../../include/iterator.h:21:3:21:10 | [summary] to write: Argument[this].Element[*] in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary param] *0 in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary param] this in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] read: Argument[*0].Element in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] read: Argument[*0].Element[****] in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] read: Argument[*0].Element[***] in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] read: Argument[*0].Element[**] in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] read: Argument[*0].Element[*] in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] to write: Argument[this] in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] to write: Argument[this].Element in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] to write: Argument[this].Element[****] in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] to write: Argument[this].Element[***] in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] to write: Argument[this].Element[**] in iterator |
-| ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | ../../../include/iterator.h:22:3:22:10 | [summary] to write: Argument[this].Element[*] in iterator |
-| ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | [summary param] this in operator* |
-| ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | [summary] read: Argument[this].Element in operator* |
-| ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | [summary] read: Argument[this].Element[*] in operator* |
-| ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | [summary] to write: ReturnValue[**] in operator* |
-| ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | ../../../include/iterator.h:30:18:30:26 | [summary] to write: ReturnValue[*] in operator* |
-| ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | [summary param] this in operator-> |
-| ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | [summary] read: Argument[this].Element in operator-> |
-| ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | [summary] read: Argument[this].Element[*] in operator-> |
-| ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | [summary] to write: ReturnValue[**] in operator-> |
-| ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | ../../../include/iterator.h:31:16:31:25 | [summary] to write: ReturnValue[*] in operator-> |
 incorrectBaseType
 | clang.cpp:22:8:22:20 | *& ... | Expected 'Node.getType()' to be int, but it was int * |
 | clang.cpp:23:17:23:29 | *& ... | Expected 'Node.getType()' to be int, but it was int * |
diff --git a/cpp/ql/test/library-tests/dataflow/dataflow-tests/type-bugs.ql b/cpp/ql/test/library-tests/dataflow/dataflow-tests/type-bugs.ql
index 3e5f9165ef8..84fd3e6bbe4 100644
--- a/cpp/ql/test/library-tests/dataflow/dataflow-tests/type-bugs.ql
+++ b/cpp/ql/test/library-tests/dataflow/dataflow-tests/type-bugs.ql
@@ -17,9 +17,13 @@ import AstTest
 
 module IrTest {
   private import semmle.code.cpp.ir.dataflow.internal.DataFlowUtil
+  private import semmle.code.cpp.ir.dataflow.internal.DataFlowNodes
 
   query predicate irTypeBugs(Location location, Node node) {
     exists(int n |
+      // Flow summary nodes don't have a type since we don't (necessary) have
+      // the source code in the database.
+      not node instanceof FlowSummaryNode and
       n = count(node.getType()) and
       location = node.getLocation() and
       n != 1