diff --git a/src/blackmisc/aviation/aircraftenginelist.cpp b/src/blackmisc/aviation/aircraftenginelist.cpp
index d75622ed7..ffe3ddf02 100644
--- a/src/blackmisc/aviation/aircraftenginelist.cpp
+++ b/src/blackmisc/aviation/aircraftenginelist.cpp
@@ -69,6 +69,7 @@ namespace BlackMisc
                 CAircraftEngine engine;
                 int number = e.toInt();
                 CJsonScope scope(e);
+                Q_UNUSED(scope);
                 engine.convertFromJson(json.value(e).toObject());
                 engine.setNumber(number);
                 push_back(engine);
diff --git a/src/blackmisc/containerbase.h b/src/blackmisc/containerbase.h
index 799d34d57..38a57ea22 100644
--- a/src/blackmisc/containerbase.h
+++ b/src/blackmisc/containerbase.h
@@ -129,6 +129,7 @@ namespace BlackMisc
             for (auto i = array.begin(); i != array.end(); ++i)
             {
                 CJsonScope scope("containerbase", index++);
+                Q_UNUSED(scope);
                 QJsonValueRef ref = (*i);
                 T val;
                 ref >> val;
diff --git a/src/blackmisc/dictionary.h b/src/blackmisc/dictionary.h
index 7a059b50e..15a727df4 100644
--- a/src/blackmisc/dictionary.h
+++ b/src/blackmisc/dictionary.h
@@ -273,10 +273,12 @@ namespace BlackMisc
                 Value val;
                 {
                     CJsonScope scope("associativecontainerbase", 2 * index);
+                    Q_UNUSED(scope);
                     jsonKey >> key;
                 }
                 {
                     CJsonScope scope("associativecontainerbase", 2 * index++ + 1);
+                    Q_UNUSED(scope);
                     jsonValue >> val;
                 }
                 m_impl.insert(std::move(key), std::move(val));
diff --git a/src/blackmisc/json.h b/src/blackmisc/json.h
index c3b6b0e63..1f7d42948 100644
--- a/src/blackmisc/json.h
+++ b/src/blackmisc/json.h
@@ -379,6 +379,7 @@ namespace BlackMisc
                     else
                     {
                         CJsonScope scope(member.latin1Name());
+                        Q_UNUSED(scope);
                         value >> member.in(*this->derived());
                     }
                 });
diff --git a/src/blackmisc/simulation/aircraftmodellist.cpp b/src/blackmisc/simulation/aircraftmodellist.cpp
index 515847052..518f8f965 100644
--- a/src/blackmisc/simulation/aircraftmodellist.cpp
+++ b/src/blackmisc/simulation/aircraftmodellist.cpp
@@ -749,14 +749,17 @@ namespace BlackMisc
             if (distributors.isUndefined()) { throw CJsonException("Missing 'distributors'"); }
             {
                 CJsonScope scope("aircraftIcaos");
+                Q_UNUSED(scope);
                 helper.getTable<CAircraftIcaoCode>().convertFromJson(aircraftIcaos.toObject());
             }
             {
                 CJsonScope scope("liveries");
+                Q_UNUSED(scope);
                 helper.getTable<CLivery>().convertFromJson(liveries.toObject());
             }
             {
                 CJsonScope scope("distributors");
+                Q_UNUSED(scope);
                 helper.getTable<CDistributor>().convertFromJson(distributors.toObject());
             }
 
@@ -764,6 +767,7 @@ namespace BlackMisc
             for (auto i = array.begin(); i != array.end(); ++i)
             {
                 CJsonScope scope("containerbase", index++);
+                Q_UNUSED(scope);
                 CAircraftModel value;
                 value.convertFromMemoizedJson(i->toObject(), helper);
                 insert(value);
diff --git a/src/blackmisc/simulation/simulatorplugininfo.cpp b/src/blackmisc/simulation/simulatorplugininfo.cpp
index 0c068993b..209e087ea 100644
--- a/src/blackmisc/simulation/simulatorplugininfo.cpp
+++ b/src/blackmisc/simulation/simulatorplugininfo.cpp
@@ -29,8 +29,8 @@ namespace BlackMisc
                 if (! json.contains("MetaData")) { throw CJsonException("Missing 'MetaData'"); }
 
                 // json data is already validated by CPluginManagerSimulator
-                //! \todo for RW See T107, remove, change code?
-                // CJsonScope scope("MetaData");
+                CJsonScope scope("MetaData");
+                Q_UNUSED(scope);
                 CValueObject::convertFromJson(json["MetaData"].toObject());
                 m_valid = true;
             }
diff --git a/src/blackmisc/variantmap.cpp b/src/blackmisc/variantmap.cpp
index fed1abd5e..15c001901 100644
--- a/src/blackmisc/variantmap.cpp
+++ b/src/blackmisc/variantmap.cpp
@@ -39,6 +39,7 @@ namespace BlackMisc
         {
             const QString key = it.key();
             CJsonScope scope(key);
+            Q_UNUSED(scope);
             CVariant value;
             value.convertFromJson(it.value().toObject());
             implementationOf(*this).insert(cend(), key, value);
@@ -53,6 +54,7 @@ namespace BlackMisc
             auto value = json.value(key);
             if (value.isUndefined()) { continue; }
             CJsonScope scope(key);
+            Q_UNUSED(scope);
             CVariant var;
             var.convertFromJson(value.toObject());
             insert(key, var);
@@ -82,6 +84,7 @@ namespace BlackMisc
         {
             const QString key = it.key();
             CJsonScope scope(key);
+            Q_UNUSED(scope);
             CVariant value;
             value.convertFromMemoizedJson(it.value().toObject());
             implementationOf(*this).insert(cend(), key, value);
@@ -96,6 +99,7 @@ namespace BlackMisc
             auto value = json.value(key);
             if (value.isUndefined()) { continue; }
             CJsonScope scope(key);
+            Q_UNUSED(scope);
             CVariant var;
             var.convertFromMemoizedJson(value.toObject());
             insert(key, var);
@@ -110,6 +114,7 @@ namespace BlackMisc
         {
             const QString key = it.key();
             CJsonScope scope(key);
+            Q_UNUSED(scope);
             CVariant value;
             auto message = value.convertFromJsonNoThrow(it.value().toObject(), categories, prefix);
             if (message.isSuccess()) { implementationOf(*this).insert(cend(), key, value); }
@@ -127,6 +132,7 @@ namespace BlackMisc
             auto value = json.value(key);
             if (value.isUndefined()) { continue; }
             CJsonScope scope(key);
+            Q_UNUSED(scope);
             CVariant var;
             auto message = var.convertFromJsonNoThrow(value.toObject(), categories, prefix);
             if (message.isSuccess()) { insert(key, var); }
@@ -143,6 +149,7 @@ namespace BlackMisc
         {
             const QString key = it.key();
             CJsonScope scope(key);
+            Q_UNUSED(scope);
             CVariant value;
             auto message = value.convertFromMemoizedJsonNoThrow(it.value().toObject(), categories, prefix);
             if (message.isSuccess()) { implementationOf(*this).insert(cend(), key, value); }
@@ -160,6 +167,7 @@ namespace BlackMisc
             auto value = json.value(key);
             if (value.isUndefined()) { continue; }
             CJsonScope scope(key);
+            Q_UNUSED(scope);
             CVariant var;
             auto message = var.convertFromMemoizedJsonNoThrow(value.toObject(), categories, prefix);
             if (message.isSuccess()) { insert(key, var); }
diff --git a/src/blackmisc/weather/weatherdataplugininfo.cpp b/src/blackmisc/weather/weatherdataplugininfo.cpp
index fc29f0137..da4c8827c 100644
--- a/src/blackmisc/weather/weatherdataplugininfo.cpp
+++ b/src/blackmisc/weather/weatherdataplugininfo.cpp
@@ -29,7 +29,8 @@ namespace BlackMisc
                 if (! json.contains("MetaData")) { throw CJsonException("Missing 'MetaData'"); }
 
                 // json data is already validated by CPluginManagerWeatherData
-                CJsonScope scope("MetaData");
+                CJsonScope scope("MetaData"); // for stack trace
+                Q_UNUSED(scope);
                 CValueObject::convertFromJson(json["MetaData"].toObject());
                 m_valid = true;
             }