diff --git a/cpp/ql/test/library-tests/dataflow/models-as-data/testModels.ext.yml b/cpp/ql/test/library-tests/dataflow/models-as-data/testModels.ext.yml
index 95261223473..243207ee8fd 100644
--- a/cpp/ql/test/library-tests/dataflow/models-as-data/testModels.ext.yml
+++ b/cpp/ql/test/library-tests/dataflow/models-as-data/testModels.ext.yml
@@ -11,15 +11,12 @@ extensions:
       - ["", "", False, "remoteMadSourceDoubleIndirect", "", "", "ReturnValue[**]", "remote", "manual"]
       - ["", "", False, "remoteMadSourceIndirectArg0", "", "", "Argument[*0]", "remote", "manual"]
       - ["", "", False, "remoteMadSourceIndirectArg1", "", "", "Argument[*1]", "remote", "manual"]
-      - ["", "", False, "remoteMadSourceVar", "", "", "", "remote", "manual"]
-      - ["", "", False, "remoteMadSourceVarIndirect", "", "", "*", "remote", "manual"] # we can't express this source/sink correctly at present, "*" is not a valid access path
       - ["", "", False, "remoteMadSourceParam0", "", "", "Parameter[0]", "remote", "manual"]
       - ["MyNamespace", "", False, "namespaceLocalMadSource", "", "", "ReturnValue", "local", "manual"]
       - ["MyNamespace", "", False, "namespaceLocalMadSourceVar", "", "", "", "local", "manual"]
       - ["MyNamespace::MyNamespace2", "", False, "namespace2LocalMadSource", "", "", "ReturnValue", "local", "manual"]
       - ["", "MyClass", True, "memberRemoteMadSource", "", "", "ReturnValue", "remote", "manual"]
       - ["", "MyClass", True, "memberRemoteMadSourceIndirectArg0", "", "", "Argument[*0]", "remote", "manual"]
-      - ["", "MyClass", True, "memberRemoteMadSourceVar", "", "", "", "remote", "manual"]
       - ["", "MyClass", True, "subtypeRemoteMadSource1", "", "", "ReturnValue", "remote", "manual"]
       - ["", "MyClass", False, "subtypeNonSource", "", "", "ReturnValue", "remote", "manual"] # the tests define this in MyDerivedClass, so it should *not* be recongized as a source
       - ["", "MyClass", True, "qualifierSource", "", "", "Argument[-1]", "remote", "manual"]
@@ -35,18 +32,13 @@ extensions:
       - ["", "", False, "madSinkArg02", "", "", "Argument[0,2]", "test-sink", "manual"]
       - ["", "", False, "madSinkIndirectArg0", "", "", "Argument[*0]", "test-sink", "manual"]
       - ["", "", False, "madSinkDoubleIndirectArg0", "", "", "Argument[**0]", "test-sink", "manual"]
-      - ["", "", False, "madSinkVar", "", "", "", "test-sink", "manual"]
-      - ["", "", False, "madSinkVarIndirect", "", "", "*", "test-sink", "manual"] # we can't express this source/sink correctly at present, "*" is not a valid access path
       - ["", "", False, "madSinkParam0", "", "", "Parameter[0]", "test-sink", "manual"]
       - ["", "MyClass", True, "memberMadSinkArg0", "", "", "Argument[0]", "test-sink", "manual"]
-      - ["", "MyClass", True, "memberMadSinkVar", "", "", "", "test-sink", "manual"]
       - ["", "MyClass", True, "qualifierSink", "", "", "Argument[-1]", "test-sink", "manual"]
       - ["", "MyClass", True, "qualifierArg0Sink", "", "", "Argument[-1..0]", "test-sink", "manual"]
       - ["", "MyClass", True, "qualifierFieldSink", "", "", "Argument[-1].val", "test-sink", "manual"]
       - ["MyNamespace", "MyClass", True, "namespaceMemberMadSinkArg0", "", "", "Argument[0]", "test-sink", "manual"]
       - ["MyNamespace", "MyClass", True, "namespaceStaticMemberMadSinkArg0", "", "", "Argument[0]", "test-sink", "manual"]
-      - ["MyNamespace", "MyClass", True, "namespaceMemberMadSinkVar", "", "", "", "test-sink", "manual"]
-      - ["MyNamespace", "MyClass", True, "namespaceStaticMemberMadSinkVar", "", "", "", "test-sink", "manual"]
   - addsTo:
       pack: codeql/cpp-all
       extensible: summaryModel
@@ -68,9 +60,6 @@ extensions:
       - ["", "", False, "madArg0ToReturnField", "", "", "Argument[0]", "ReturnValue.Field[value]", "taint", "manual"]
       - ["", "", False, "madArg0ToReturnIndirectField", "", "", "Argument[0]", "ReturnValue[*].Field[value]", "taint", "manual"]
       - ["", "", False, "madArg0ToReturnFieldIndirect", "", "", "Argument[0]", "ReturnValue.Field[*ptr]", "taint", "manual"]
-      - ["", "", False, "madFieldToFieldVar", "", "", "Field[value]", "Field[value2]", "taint", "manual"] # we can't express this source/sink correctly at present, "Field[value]" is not a valid input and "Field[value2]" is not a valid output
-      - ["", "", False, "madFieldToIndirectFieldVar", "", "", "Field[value]", "Field[*ptr]", "taint", "manual"] # we can't express this source/sink correctly at present, "Field[value]" is not a valid input and "Field[*ptr]" is not a valid output
-      - ["", "", False, "madIndirectFieldToFieldVar", "", "", "Field[value]", "Field[value2]", "taint", "manual"] # we can't express this source/sink correctly at present, "Field[value]" is not a valid input and "Field[value2]" is not a valid output
       - ["", "MyClass", True, "madArg0ToSelf", "", "", "Argument[0]", "Argument[-1]", "taint", "manual"]
       - ["", "MyClass", True, "madSelfToReturn", "", "", "Argument[-1]", "ReturnValue", "taint", "manual"]
       - ["", "MyClass", True, "madArg0ToField", "", "", "Argument[0]", "Argument[-1].Field[val]", "taint", "manual"]