diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/fluid/readFluidMultiRegionResidualControls.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/fluid/readFluidMultiRegionResidualControls.H
index efebd16004..b71b1ef396 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/fluid/readFluidMultiRegionResidualControls.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/fluid/readFluidMultiRegionResidualControls.H
@@ -1,9 +1,9 @@
 const dictionary& residualControl =
     mesh.solutionDict().subDict("SIMPLE").subOrEmptyDict("residualControl");
 
-scalar UTol = -1.;
-scalar hTol = -1.;
-scalar p_rghTol = -1.;
+scalar UTol = -1;
+scalar hTol = -1;
+scalar p_rghTol = -1;
 
 if (!residualControl.empty())
 {
diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/solid/readSolidMultiRegionResidualControls.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/solid/readSolidMultiRegionResidualControls.H
index e979adde66..dc0042e11e 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/solid/readSolidMultiRegionResidualControls.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/chtMultiRegionSimpleFoam/solid/readSolidMultiRegionResidualControls.H
@@ -1,7 +1,7 @@
 const dictionary& residualControl =
     mesh.solutionDict().subDict("SIMPLE").subOrEmptyDict("residualControl");
 
-scalar hTol = -1.;
+scalar hTol = -1;
 
 if (!residualControl.empty())
 {
diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/readFluidMultiRegionResidualControls.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/readFluidMultiRegionResidualControls.H
index 662786b8d7..7e5a5cd811 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/readFluidMultiRegionResidualControls.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/fluid/readFluidMultiRegionResidualControls.H
@@ -1,9 +1,9 @@
 const dictionary& residualControl =
     mesh.solutionDict().subDict("PIMPLE").subOrEmptyDict("residualControl");
 
-scalar UTol = -1.;
-scalar heTol = -1.;
-scalar p_rghTol = -1.;
+scalar UTol = -1;
+scalar heTol = -1;
+scalar p_rghTol = -1;
 
 if (!residualControl.empty())
 {
diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/solid/readSolidMultiRegionResidualControls.H b/applications/solvers/heatTransfer/chtMultiRegionFoam/solid/readSolidMultiRegionResidualControls.H
index 35d8a99dcf..5623de220a 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/solid/readSolidMultiRegionResidualControls.H
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/solid/readSolidMultiRegionResidualControls.H
@@ -1,7 +1,7 @@
 const dictionary& residualControl =
     mesh.solutionDict().subDict("PIMPLE").subOrEmptyDict("residualControl");
 
-scalar hTol = -1.;
+scalar hTol = -1;
 
 if (!residualControl.empty())
 {