diff --git a/src/thermophysicalModels/laminarFlameSpeed/Gulders/Gulders.H b/src/thermophysicalModels/laminarFlameSpeed/Gulders/Gulders.H
index be68a8c5dc..4b133caa15 100644
--- a/src/thermophysicalModels/laminarFlameSpeed/Gulders/Gulders.H
+++ b/src/thermophysicalModels/laminarFlameSpeed/Gulders/Gulders.H
@@ -115,9 +115,8 @@ public:
         );
 
 
-    // Destructor
-
-        ~Gulders();
+    //- Destructor
+    virtual ~Gulders();
 
 
     // Member functions
diff --git a/src/thermophysicalModels/laminarFlameSpeed/GuldersEGR/GuldersEGR.H b/src/thermophysicalModels/laminarFlameSpeed/GuldersEGR/GuldersEGR.H
index c7c837e68a..0ae3402871 100644
--- a/src/thermophysicalModels/laminarFlameSpeed/GuldersEGR/GuldersEGR.H
+++ b/src/thermophysicalModels/laminarFlameSpeed/GuldersEGR/GuldersEGR.H
@@ -116,9 +116,8 @@ public:
         );
 
 
-    // Destructor
-
-        ~GuldersEGR();
+    //- Destructor
+    virtual ~GuldersEGR();
 
 
     // Member functions
diff --git a/src/thermophysicalModels/laminarFlameSpeed/constant/constant.H b/src/thermophysicalModels/laminarFlameSpeed/constant/constant.H
index dce52f5d14..a549adf7bf 100644
--- a/src/thermophysicalModels/laminarFlameSpeed/constant/constant.H
+++ b/src/thermophysicalModels/laminarFlameSpeed/constant/constant.H
@@ -84,9 +84,8 @@ public:
         );
 
 
-    // Destructor
-
-        ~constant();
+    //- Destructor
+    virtual ~constant();
 
 
     // Member functions
diff --git a/src/thermophysicalModels/laminarFlameSpeed/laminarFlameSpeed/laminarFlameSpeed.H b/src/thermophysicalModels/laminarFlameSpeed/laminarFlameSpeed/laminarFlameSpeed.H
index f6568a3743..5ee73bdba3 100644
--- a/src/thermophysicalModels/laminarFlameSpeed/laminarFlameSpeed/laminarFlameSpeed.H
+++ b/src/thermophysicalModels/laminarFlameSpeed/laminarFlameSpeed/laminarFlameSpeed.H
@@ -121,9 +121,8 @@ public:
         );
 
 
-    // Destructor
-
-        virtual ~laminarFlameSpeed();
+    //- Destructor
+    virtual ~laminarFlameSpeed();
 
 
     // Member functions