diff --git a/src/misc/pq/units.cpp b/src/misc/pq/units.cpp
index db225c2a4..011f7e86a 100644
--- a/src/misc/pq/units.cpp
+++ b/src/misc/pq/units.cpp
@@ -21,22 +21,6 @@ namespace swift::misc::physical_quantities
 {
     using swift::misc::math::CMathUtils;
 
-    // pin vtables to this file
-
-    void CLengthUnit::anchor() {}
-
-    void CFrequencyUnit::anchor() {}
-
-    void CMassUnit::anchor() {}
-
-    void CPressureUnit::anchor() {}
-
-    void CTemperatureUnit::anchor() {}
-
-    void CSpeedUnit::anchor() {}
-
-    void CAccelerationUnit::anchor() {}
-
     QString CAngleUnit::makeRoundedQStringWithUnit(double value, int digits, bool withGroupSeparator, bool i18n) const
     {
         if (digits < 0) { digits = this->getDisplayDigits(); }
diff --git a/src/misc/pq/units.h b/src/misc/pq/units.h
index 515519990..34eb97a33 100644
--- a/src/misc/pq/units.h
+++ b/src/misc/pq/units.h
@@ -114,8 +114,6 @@ namespace swift::misc::physical_quantities
         };
         using MetersToMeters = One;
 
-        virtual void anchor();
-
     public:
         //! Base type
         using base_type = CMeasurementUnit;
@@ -343,8 +341,6 @@ namespace swift::misc::physical_quantities
 
         using HertzToHertz = One;
 
-        virtual void anchor();
-
     public:
         //! Base type
         using base_type = CMeasurementUnit;
@@ -444,8 +440,6 @@ namespace swift::misc::physical_quantities
             static double factor() { return 0.45359237; }
         };
 
-        virtual void anchor();
-
     public:
         //! Base type
         using base_type = CMeasurementUnit;
@@ -559,8 +553,6 @@ namespace swift::misc::physical_quantities
             static double factor() { return 860.142806; }
         };
 
-        virtual void anchor();
-
     public:
         //! Base type
         using base_type = CMeasurementUnit;
@@ -693,8 +685,6 @@ namespace swift::misc::physical_quantities
             static double offset() { return 32.0; }
         };
 
-        virtual void anchor();
-
     public:
         //! Base type
         using base_type = CMeasurementUnit;
@@ -796,8 +786,6 @@ namespace swift::misc::physical_quantities
             static double factor() { return 0.3048 / 60.0; }
         };
 
-        virtual void anchor();
-
     public:
         //! Base type
         using base_type = CMeasurementUnit;
@@ -1067,8 +1055,6 @@ namespace swift::misc::physical_quantities
             static double factor() { return 0.3048; }
         };
 
-        virtual void anchor();
-
     public:
         //! Base type
         using base_type = CMeasurementUnit;