diff --git a/cpp/ql/test/library-tests/dataflow/dataflow-tests/clang.cpp b/cpp/ql/test/library-tests/dataflow/dataflow-tests/clang.cpp
index 4ffbd8c2ff7..39def77eeff 100644
--- a/cpp/ql/test/library-tests/dataflow/dataflow-tests/clang.cpp
+++ b/cpp/ql/test/library-tests/dataflow/dataflow-tests/clang.cpp
@@ -48,5 +48,5 @@ void following_pointers(
 
   int stackArray[2] = { source(), source() };
   stackArray[0] = source();
-  sink(stackArray); // $ ast ir ir=49:35 ir=50:19
+  sink(stackArray); // $ ast ir
 }
diff --git a/cpp/ql/test/library-tests/dataflow/dataflow-tests/test.cpp b/cpp/ql/test/library-tests/dataflow/dataflow-tests/test.cpp
index 331d3a0aa86..f2be988548b 100644
--- a/cpp/ql/test/library-tests/dataflow/dataflow-tests/test.cpp
+++ b/cpp/ql/test/library-tests/dataflow/dataflow-tests/test.cpp
@@ -533,12 +533,12 @@ void test_set_through_const_pointer(int *e)
 }
 
 void sink_then_source_1(int* p) {
-    sink(*p); // $ SPURIOUS: ir=537:10 ir=547:9
+    sink(*p); // $ ir // Flow from the unitialized x to the dereference.
     *p = source();
 }
 
 void sink_then_source_2(int* p, int y) {
-    sink(y); // $ SPURIOUS: ast ir=542:10 ir=551:9
+    sink(y); // $ SPURIOUS: ast ir
     *p = source();
 }
 
diff --git a/cpp/ql/test/library-tests/dataflow/fields/ir-path-flow.expected b/cpp/ql/test/library-tests/dataflow/fields/ir-path-flow.expected
index c4695abade8..96028c746e7 100644
--- a/cpp/ql/test/library-tests/dataflow/fields/ir-path-flow.expected
+++ b/cpp/ql/test/library-tests/dataflow/fields/ir-path-flow.expected
@@ -13,8 +13,6 @@ edges
 | A.cpp:31:20:31:20 | c | A.cpp:31:14:31:21 | call to B [c] |
 | A.cpp:41:15:41:21 | new | A.cpp:43:10:43:12 | & ... indirection |
 | A.cpp:41:15:41:21 | new | A.cpp:43:10:43:12 | & ... indirection |
-| A.cpp:41:15:41:21 | new | A.cpp:43:10:43:12 | & ... indirection |
-| A.cpp:41:15:41:21 | new | A.cpp:43:10:43:12 | & ... indirection |
 | A.cpp:47:12:47:18 | new | A.cpp:48:20:48:20 | c |
 | A.cpp:48:12:48:18 | call to make indirection [c] | A.cpp:49:10:49:10 | b indirection [c] |
 | A.cpp:48:20:48:20 | c | A.cpp:29:23:29:23 | c |
@@ -907,7 +905,6 @@ nodes
 | A.cpp:41:15:41:21 | new | semmle.label | new |
 | A.cpp:41:15:41:21 | new | semmle.label | new |
 | A.cpp:43:10:43:12 | & ... indirection | semmle.label | & ... indirection |
-| A.cpp:43:10:43:12 | & ... indirection | semmle.label | & ... indirection |
 | A.cpp:47:12:47:18 | new | semmle.label | new |
 | A.cpp:48:12:48:18 | call to make indirection [c] | semmle.label | call to make indirection [c] |
 | A.cpp:48:20:48:20 | c | semmle.label | c |
@@ -1765,8 +1762,6 @@ subpaths
 #select
 | A.cpp:43:10:43:12 | & ... indirection | A.cpp:41:15:41:21 | new | A.cpp:43:10:43:12 | & ... indirection | & ... indirection flows from $@ | A.cpp:41:15:41:21 | new | new |
 | A.cpp:43:10:43:12 | & ... indirection | A.cpp:41:15:41:21 | new | A.cpp:43:10:43:12 | & ... indirection | & ... indirection flows from $@ | A.cpp:41:15:41:21 | new | new |
-| A.cpp:43:10:43:12 | & ... indirection | A.cpp:41:15:41:21 | new | A.cpp:43:10:43:12 | & ... indirection | & ... indirection flows from $@ | A.cpp:41:15:41:21 | new | new |
-| A.cpp:43:10:43:12 | & ... indirection | A.cpp:41:15:41:21 | new | A.cpp:43:10:43:12 | & ... indirection | & ... indirection flows from $@ | A.cpp:41:15:41:21 | new | new |
 | A.cpp:49:10:49:13 | c | A.cpp:47:12:47:18 | new | A.cpp:49:10:49:13 | c | c flows from $@ | A.cpp:47:12:47:18 | new | new |
 | A.cpp:49:13:49:13 | c | A.cpp:47:12:47:18 | new | A.cpp:49:13:49:13 | c | c flows from $@ | A.cpp:47:12:47:18 | new | new |
 | A.cpp:56:10:56:17 | call to get | A.cpp:55:12:55:19 | new | A.cpp:56:10:56:17 | call to get | call to get flows from $@ | A.cpp:55:12:55:19 | new | new |