diff --git a/src/blackmisc/pq/physicalquantity.cpp b/src/blackmisc/pq/physicalquantity.cpp
index 0d9ac6326..67e0170d6 100644
--- a/src/blackmisc/pq/physicalquantity.cpp
+++ b/src/blackmisc/pq/physicalquantity.cpp
@@ -41,6 +41,18 @@ namespace BlackMisc
 {
     namespace PhysicalQuantities
     {
+        template <class MU, class PQ>
+        const MU & CPhysicalQuantity<MU, PQ>::getUnit() const
+        {
+            return m_unit;
+        }
+
+        template <class MU, class PQ>
+        void CPhysicalQuantity<MU, PQ>::setUnit(const MU &unit)
+        {
+            m_unit = unit;
+        }
+
         template <class MU, class PQ>
         void CPhysicalQuantity<MU, PQ>::setUnitBySymbol(const QString &unitName)
         {
diff --git a/src/blackmisc/pq/physicalquantity.h b/src/blackmisc/pq/physicalquantity.h
index e501d30fc..2c1c56501 100644
--- a/src/blackmisc/pq/physicalquantity.h
+++ b/src/blackmisc/pq/physicalquantity.h
@@ -70,11 +70,11 @@ namespace BlackMisc
             };
 
             //! Unit
-            const MU &getUnit() const { return m_unit; }
+            const MU &getUnit() const;
 
             //! Simply set unit, do no calclulate conversion
             //! \sa switchUnit
-            void setUnit(const MU &unit) { m_unit = unit; }
+            void setUnit(const MU &unit);
 
             //! Set unit by string
             void setUnitBySymbol(const QString &unitName);
diff --git a/src/blackmisc/simulation/interpolator.cpp b/src/blackmisc/simulation/interpolator.cpp
index da4f46e39..153e24dc9 100644
--- a/src/blackmisc/simulation/interpolator.cpp
+++ b/src/blackmisc/simulation/interpolator.cpp
@@ -481,6 +481,12 @@ namespace BlackMisc
             this->getAndFetchModelCG();
         }
 
+        template<typename Derived>
+        void CInterpolator<Derived>::markAsUnitTest()
+        {
+            m_unitTest = true;
+        }
+
         CInterpolationResult::CInterpolationResult()
         {
             this->reset();
diff --git a/src/blackmisc/simulation/interpolator.h b/src/blackmisc/simulation/interpolator.h
index 385df650b..452f87ea8 100644
--- a/src/blackmisc/simulation/interpolator.h
+++ b/src/blackmisc/simulation/interpolator.h
@@ -227,7 +227,7 @@ namespace BlackMisc
             void initCorrespondingModel(const CAircraftModel &model = {});
 
             //! Mark as unit test
-            void markAsUnitTest() { m_unitTest = true; }
+            void markAsUnitTest();
 
         protected:
             //! Constructor
diff --git a/src/blackmisc/timestampobjectlist.cpp b/src/blackmisc/timestampobjectlist.cpp
index a7340cb87..d5399a69f 100644
--- a/src/blackmisc/timestampobjectlist.cpp
+++ b/src/blackmisc/timestampobjectlist.cpp
@@ -643,6 +643,12 @@ namespace BlackMisc
         return dt.isValid() ? dt.toMSecsSinceEpoch() : -1;
     }
 
+    template <class OBJ, class CONTAINER>
+    void ITimestampWithOffsetObjectList<OBJ, CONTAINER>::setAdjustedSortHint(HintAdjustedTimestampSort hint)
+    {
+        m_tsAdjustedSortHint = hint;
+    }
+
     // see here for the reason of thess forward instantiations
     // https://isocpp.org/wiki/faq/templates#separate-template-fn-defn-from-decl
     template class BLACKMISC_EXPORT_DEFINE_TEMPLATE ITimestampObjectList<BlackMisc::CCountry, BlackMisc::CCountryList>;
diff --git a/src/blackmisc/timestampobjectlist.h b/src/blackmisc/timestampobjectlist.h
index 279b24b9e..9c046dc2f 100644
--- a/src/blackmisc/timestampobjectlist.h
+++ b/src/blackmisc/timestampobjectlist.h
@@ -251,7 +251,7 @@ namespace BlackMisc
         qint64 oldestAdjustedTimestampMsecsSinceEpoch() const;
 
         //! Set the hint
-        void setAdjustedSortHint(HintAdjustedTimestampSort hint) { m_tsAdjustedSortHint = hint; }
+        void setAdjustedSortHint(HintAdjustedTimestampSort hint);
 
     protected:
         //! Constructor