diff --git a/src/Mod/Mesh/App/WildMagic4/Wm4TRational.h b/src/Mod/Mesh/App/WildMagic4/Wm4TRational.h
index 06b97ac26c..ac6dccc7ae 100644
--- a/src/Mod/Mesh/App/WildMagic4/Wm4TRational.h
+++ b/src/Mod/Mesh/App/WildMagic4/Wm4TRational.h
@@ -69,11 +69,11 @@ public:
     TRational& operator-= (const TRational& rkR);
     TRational& operator*= (const TRational& rkR);
     TRational& operator/= (const TRational& rkR);
-
+#if 0
     // conversions to float and double
     void ConvertTo (float& rfValue) const;
     void ConvertTo (double& rdValue) const;
-
+#endif
     // compute the absolute value of the rational number
     TRational Abs () const;
 
diff --git a/src/Mod/Mesh/App/WildMagic4/Wm4TRational.inl b/src/Mod/Mesh/App/WildMagic4/Wm4TRational.inl
index 9e331902e0..441d7d7a21 100644
--- a/src/Mod/Mesh/App/WildMagic4/Wm4TRational.inl
+++ b/src/Mod/Mesh/App/WildMagic4/Wm4TRational.inl
@@ -411,6 +411,7 @@ TRational<N>::TRational (float fValue)
     }
 }
 //----------------------------------------------------------------------------
+#if 0
 template <int N>
 void TRational<N>::ConvertTo (float& rfValue) const
 {
@@ -541,6 +542,7 @@ void TRational<N>::ConvertTo (float& rfValue) const
 
     rfValue = *(float*)&uiResult;
 }
+#endif
 //----------------------------------------------------------------------------
 template <int N>
 void TRational<N>::GetPositiveFloat (const TInteger<N>& rkDenom,
@@ -696,6 +698,8 @@ TRational<N>::TRational (double dValue)
     }
 }
 //----------------------------------------------------------------------------
+// Potentially unsafe code: https://pvs-studio.com/en/blog/posts/cpp/1072/
+#if 0
 template <int N>
 void TRational<N>::ConvertTo (double& rdValue) const
 {
@@ -877,6 +881,7 @@ void TRational<N>::ConvertTo (double& rdValue) const
 #endif
     rdValue = *(double*)auiResult;
 }
+#endif
 //----------------------------------------------------------------------------
 template <int N>
 void TRational<N>::GetPositiveDouble (const TInteger<N>& rkDenom,