diff --git a/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransform.C b/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransform.C
index 8acbe5cc0..fef631eae 100644
--- a/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransform.C
+++ b/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransform.C
@@ -60,7 +60,8 @@ fieldCoordinateSystemTransform
 {
     read(dict);
 
-    Info<< type() << " " << name << ":" << nl
+    if (log_) Info
+        << type() << " " << name << ":" << nl
         << "   Applying transformation from global Cartesian to local "
         << coordSys_ << nl << endl;
 }
diff --git a/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransform.H b/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransform.H
index 633292f65..2ac288843 100644
--- a/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransform.H
+++ b/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransform.H
@@ -82,10 +82,6 @@ SourceFiles
 
 namespace Foam
 {
-
-// Forward declaration of classes
-class objectRegistry;
-
 namespace functionObjects
 {
 
diff --git a/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransformTemplates.C b/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransformTemplates.C
index 72c01ddc2..c03c49cae 100644
--- a/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransformTemplates.C
+++ b/src/postProcessing/functionObjects/field/fieldCoordinateSystemTransform/fieldCoordinateSystemTransformTemplates.C
@@ -57,11 +57,9 @@ void Foam::functionObjects::fieldCoordinateSystemTransform::transform
 
     if (mesh_.foundObject<VolFieldType>(fieldName))
     {
-        if (debug)
-        {
-            Info<< type() << ": Field " << fieldName << " already in database"
-                << endl;
-        }
+        DebugInfo
+            << type() << ": Field " << fieldName << " already in database"
+            << endl;
 
         transformField<VolFieldType>
         (
@@ -70,11 +68,9 @@ void Foam::functionObjects::fieldCoordinateSystemTransform::transform
     }
     else if (mesh_.foundObject<SurfaceFieldType>(fieldName))
     {
-        if (debug)
-        {
-            Info<< type() << ": Field " << fieldName << " already in database"
-                << endl;
-        }
+        DebugInfo
+            << type() << ": Field " << fieldName << " already in database"
+            << endl;
 
         transformField<SurfaceFieldType>
         (
@@ -98,11 +94,9 @@ void Foam::functionObjects::fieldCoordinateSystemTransform::transform
          && fieldHeader.headerClassName() == VolFieldType::typeName
         )
         {
-            if (debug)
-            {
-                Info<< type() << ": Field " << fieldName << " read from file"
-                    << endl;
-            }
+            DebugInfo
+                << type() << ": Field " << fieldName << " read from file"
+                << endl;
 
             transformField<VolFieldType>
             (
@@ -115,11 +109,9 @@ void Foam::functionObjects::fieldCoordinateSystemTransform::transform
          && fieldHeader.headerClassName() == SurfaceFieldType::typeName
         )
         {
-            if (debug)
-            {
-                Info<< type() << ": Field " << fieldName << " read from file"
-                    << endl;
-            }
+            DebugInfo
+                << type() << ": Field " << fieldName << " read from file"
+                << endl;
 
             transformField<SurfaceFieldType>
             (
diff --git a/src/postProcessing/functionObjects/field/histogram/histogram.C b/src/postProcessing/functionObjects/field/histogram/histogram.C
index c8ea8b7f3..d0e4d812b 100644
--- a/src/postProcessing/functionObjects/field/histogram/histogram.C
+++ b/src/postProcessing/functionObjects/field/histogram/histogram.C
@@ -57,7 +57,8 @@ void Foam::functionObjects::histogram::writeGraph
         outputPath/formatterPtr_().getFileName(coords, fieldNames)
     );
 
-    Info<< "    Writing histogram of " << fieldName
+    if (log_) Info
+        << "    Writing histogram of " << fieldName
         << " to " << graphFile.name() << endl;
 
     List<const scalarField*> yPtrs(1);
@@ -117,18 +118,18 @@ bool Foam::functionObjects::histogram::execute(const bool postProcess)
 
 bool Foam::functionObjects::histogram::write(const bool postProcess)
 {
-    Info<< type() << " " << name() << " output:" << nl;
+    if (log_) Info<< type() << " " << name() << " output:" << nl;
 
     const fvMesh& mesh = refCast<const fvMesh>(obr_);
 
     autoPtr<volScalarField> fieldPtr;
     if (obr_.foundObject<volScalarField>(fieldName_))
     {
-        Info<< "    Looking up field " << fieldName_ << endl;
+        if (log_) Info<< "    Looking up field " << fieldName_ << endl;
     }
     else
     {
-        Info<< "    Reading field " << fieldName_ << endl;
+        if (log_) Info<< "    Reading field " << fieldName_ << endl;
         fieldPtr.reset
         (
             new volScalarField
diff --git a/src/postProcessing/functionObjects/field/nearWallFields/nearWallFields.C b/src/postProcessing/functionObjects/field/nearWallFields/nearWallFields.C
index eed5d6786..8360147cf 100644
--- a/src/postProcessing/functionObjects/field/nearWallFields/nearWallFields.C
+++ b/src/postProcessing/functionObjects/field/nearWallFields/nearWallFields.C
@@ -57,10 +57,7 @@ void Foam::functionObjects::nearWallFields::calcAddressing()
     // Global indexing
     globalIndex globalWalls(nPatchFaces);
 
-    if (debug)
-    {
-        InfoInFunction << "nPatchFaces: " << globalWalls.size() << endl;
-    }
+    DebugInFunction << "nPatchFaces: " << globalWalls.size() << endl;
 
     // Construct cloud
     Cloud<findCellParticle> cloud(mesh_, IDLList<findCellParticle>());
@@ -239,10 +236,7 @@ Foam::functionObjects::nearWallFields::nearWallFields
 
 Foam::functionObjects::nearWallFields::~nearWallFields()
 {
-    if (debug)
-    {
-        InfoInFunction << endl;
-    }
+    DebugInFunction << endl;
 }
 
 
@@ -282,8 +276,8 @@ bool Foam::functionObjects::nearWallFields::read(const dictionary& dict)
         reverseFieldMap_.insert(sampleFldName, fldName);
     }
 
-    Info<< type() << " " << name() << ": Sampling " << fieldMap_.size()
-        << " fields" << endl;
+    if (log_) Info << type() << " " << name()
+        << ": Sampling " << fieldMap_.size() << " fields" << endl;
 
     // Do analysis
     calcAddressing();
@@ -294,10 +288,7 @@ bool Foam::functionObjects::nearWallFields::read(const dictionary& dict)
 
 bool Foam::functionObjects::nearWallFields::execute(const bool postProcess)
 {
-    if (debug)
-    {
-        InfoInFunction << endl;
-    }
+    DebugInFunction << endl;
 
     if
     (
@@ -309,8 +300,8 @@ bool Foam::functionObjects::nearWallFields::execute(const bool postProcess)
      && vtf_.empty()
     )
     {
-        Info<< type() << " " << name() << ": Creating " << fieldMap_.size()
-            << " fields" << endl;
+        if (log_) Info<< type() << " " << name()
+            << ": Creating " << fieldMap_.size() << " fields" << endl;
 
         createFields(vsf_);
         createFields(vvf_);
@@ -318,12 +309,12 @@ bool Foam::functionObjects::nearWallFields::execute(const bool postProcess)
         createFields(vSymmtf_);
         createFields(vtf_);
 
-        Info<< endl;
+        if (log_) Info<< endl;
     }
 
-    Info<< type() << " " << name() << " output:" << nl;
-
-    Info<< "    Sampling fields to " << time_.timeName()
+    if (log_) Info<< type() << " " << name()
+        << " output:" << nl
+        << "    Sampling fields to " << time_.timeName()
         << endl;
 
     sampleFields(vsf_);
@@ -338,12 +329,9 @@ bool Foam::functionObjects::nearWallFields::execute(const bool postProcess)
 
 bool Foam::functionObjects::nearWallFields::write(const bool postProcess)
 {
-    if (debug)
-    {
-        InfoInFunction << endl;
-    }
+    DebugInFunction << endl;
 
-    Info<< "    Writing sampled fields to " << time_.timeName()
+    if (log_) Info<< "    Writing sampled fields to " << time_.timeName()
         << endl;
 
     forAll(vsf_, i)
@@ -367,7 +355,7 @@ bool Foam::functionObjects::nearWallFields::write(const bool postProcess)
         vtf_[i].write();
     }
 
-    Info<< endl;
+    if (log_) Info<< endl;
 
     return true;
 }
diff --git a/src/postProcessing/functionObjects/field/nearWallFields/nearWallFieldsTemplates.C b/src/postProcessing/functionObjects/field/nearWallFields/nearWallFieldsTemplates.C
index e740b8a9a..64dc5575f 100644
--- a/src/postProcessing/functionObjects/field/nearWallFields/nearWallFieldsTemplates.C
+++ b/src/postProcessing/functionObjects/field/nearWallFields/nearWallFieldsTemplates.C
@@ -47,7 +47,7 @@ void Foam::functionObjects::nearWallFields::createFields
 
             if (obr_.found(sampleFldName))
             {
-                Info<< "    a field " << sampleFldName
+                if (log_) Info<< "    a field " << sampleFldName
                     << " already exists on the mesh."
                     << endl;
             }
@@ -63,8 +63,8 @@ void Foam::functionObjects::nearWallFields::createFields
 
                 sflds.set(sz, new VolFieldType(io, fld));
 
-                Info<< "    created " << sflds[sz].name() << " to sample "
-                    << fld.name() << endl;
+                if (log_) Info<< "    created " << sflds[sz].name()
+                    << " to sample " << fld.name() << endl;
             }
         }
     }
diff --git a/src/postProcessing/functionObjects/field/readFields/readFieldsTemplates.C b/src/postProcessing/functionObjects/field/readFields/readFieldsTemplates.C
index 4f26c37bb..499f8676f 100644
--- a/src/postProcessing/functionObjects/field/readFields/readFieldsTemplates.C
+++ b/src/postProcessing/functionObjects/field/readFields/readFieldsTemplates.C
@@ -43,19 +43,15 @@ void Foam::functionObjects::readFields::loadField
 
     if (obr_.foundObject<VolFieldType>(fieldName))
     {
-        if (debug)
-        {
-            Info<< "readFields : Field " << fieldName << " already in database"
-                << endl;
-        }
+        DebugInfo
+            << "readFields : Field " << fieldName << " already in database"
+            << endl;
     }
     else if (obr_.foundObject<SurfaceFieldType>(fieldName))
     {
-        if (debug)
-        {
-            Info<< "readFields : Field " << fieldName << " already in database"
-                << endl;
-        }
+        DebugInfo
+            << "readFields : Field " << fieldName
+            << " already in database" << endl;
     }
     else
     {
@@ -74,8 +70,9 @@ void Foam::functionObjects::readFields::loadField
          && fieldHeader.headerClassName() == VolFieldType::typeName
         )
         {
-            // store field locally
-            Info<< "    Reading " << fieldName << endl;
+            // Store field locally
+            if (log_) Info<< "    Reading " << fieldName << endl;
+
             label sz = vflds.size();
             vflds.setSize(sz+1);
             vflds.set(sz, new VolFieldType(fieldHeader, mesh_));
@@ -86,8 +83,9 @@ void Foam::functionObjects::readFields::loadField
          && fieldHeader.headerClassName() == SurfaceFieldType::typeName
         )
         {
-            // store field locally
-            Info<< "    Reading " << fieldName << endl;
+            // Store field locally
+            if (log_) Info<< "    Reading " << fieldName << endl;
+
             label sz = sflds.size();
             sflds.setSize(sz+1);
             sflds.set(sz, new SurfaceFieldType(fieldHeader, mesh_));
diff --git a/src/postProcessing/functionObjects/field/regionSizeDistribution/regionSizeDistribution.H b/src/postProcessing/functionObjects/field/regionSizeDistribution/regionSizeDistribution.H
index 65ccfab63..12e3bbfbf 100644
--- a/src/postProcessing/functionObjects/field/regionSizeDistribution/regionSizeDistribution.H
+++ b/src/postProcessing/functionObjects/field/regionSizeDistribution/regionSizeDistribution.H
@@ -119,7 +119,6 @@ namespace Foam
 {
 
 // Forward declaration of classes
-class objectRegistry;
 class regionSplit;
 
 namespace functionObjects
diff --git a/src/postProcessing/functionObjects/utilities/turbulenceFields/turbulenceFields.C b/src/postProcessing/functionObjects/utilities/turbulenceFields/turbulenceFields.C
index 5992908a7..15671440e 100644
--- a/src/postProcessing/functionObjects/utilities/turbulenceFields/turbulenceFields.C
+++ b/src/postProcessing/functionObjects/utilities/turbulenceFields/turbulenceFields.C
@@ -127,22 +127,9 @@ Foam::functionObjects::turbulenceFields::turbulenceFields
     const dictionary& dict
 )
 :
-    functionObject(name),
-    obr_
-    (
-        runTime.lookupObject<objectRegistry>
-        (
-            dict.lookupOrDefault("region", polyMesh::defaultRegion)
-        )
-    ),
+    fvMeshFunctionObject(name, runTime, dict),
     fieldSet_()
 {
-    if (!isA<fvMesh>(obr_))
-    {
-        FatalErrorInFunction
-            << "objectRegistry is not an fvMesh" << exit(FatalError);
-    }
-
     if
     (
        !obr_.foundObject<compressible::turbulenceModel>(modelName)
diff --git a/src/postProcessing/functionObjects/utilities/yPlus/yPlus.H b/src/postProcessing/functionObjects/utilities/yPlus/yPlus.H
index b529b99b6..363cd8074 100644
--- a/src/postProcessing/functionObjects/utilities/yPlus/yPlus.H
+++ b/src/postProcessing/functionObjects/utilities/yPlus/yPlus.H
@@ -53,7 +53,6 @@ namespace Foam
 {
 
 // Forward declaration of classes
-class objectRegistry;
 class fvMesh;
 class turbulenceModel;