diff --git a/src/finiteVolume/fields/fvPatchFields/constraint/cyclic/cyclicFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/constraint/cyclic/cyclicFvPatchField.C
index c92380c989..ca0e6216e8 100644
--- a/src/finiteVolume/fields/fvPatchFields/constraint/cyclic/cyclicFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/constraint/cyclic/cyclicFvPatchField.C
@@ -48,10 +48,11 @@ Foam::cyclicFvPatchField<Type>::cyclicFvPatchField
 (
     const fvPatch& p,
     const DimensionedField<Type, volMesh>& iF,
-    const dictionary& dict
+    const dictionary& dict,
+    const bool valueRequired
 )
 :
-    coupledFvPatchField<Type>(p, iF, dict, false),
+    coupledFvPatchField<Type>(p, iF, dict, false), // Pass no valueRequired
     cyclicPatch_(refCast<const cyclicFvPatch>(p, dict))
 {
     if (!isA<cyclicFvPatch>(p))
@@ -65,7 +66,10 @@ Foam::cyclicFvPatchField<Type>::cyclicFvPatchField
             << exit(FatalIOError);
     }
 
-    this->evaluate(Pstream::commsTypes::blocking);
+    if (valueRequired)
+    {
+        this->evaluate(Pstream::commsTypes::blocking);
+    }
 }
 
 
diff --git a/src/finiteVolume/fields/fvPatchFields/constraint/cyclic/cyclicFvPatchField.H b/src/finiteVolume/fields/fvPatchFields/constraint/cyclic/cyclicFvPatchField.H
index 86db576441..1678a23251 100644
--- a/src/finiteVolume/fields/fvPatchFields/constraint/cyclic/cyclicFvPatchField.H
+++ b/src/finiteVolume/fields/fvPatchFields/constraint/cyclic/cyclicFvPatchField.H
@@ -111,7 +111,8 @@ public:
         (
             const fvPatch&,
             const DimensionedField<Type, volMesh>&,
-            const dictionary&
+            const dictionary&,
+            const bool valueRequired = true
         );
 
         //- Construct by mapping given cyclicFvPatchField onto a new patch
diff --git a/src/finiteVolume/fields/fvPatchFields/constraint/jumpCyclic/jumpCyclicFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/constraint/jumpCyclic/jumpCyclicFvPatchField.C
index b078d1dc10..312829ed0d 100644
--- a/src/finiteVolume/fields/fvPatchFields/constraint/jumpCyclic/jumpCyclicFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/constraint/jumpCyclic/jumpCyclicFvPatchField.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2017 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -59,10 +59,11 @@ Foam::jumpCyclicFvPatchField<Type>::jumpCyclicFvPatchField
 (
     const fvPatch& p,
     const DimensionedField<Type, volMesh>& iF,
-    const dictionary& dict
+    const dictionary& dict,
+    const bool valueRequired
 )
 :
-    cyclicFvPatchField<Type>(p, iF, dict)
+    cyclicFvPatchField<Type>(p, iF, dict, valueRequired)
 {
     // Call this evaluation in derived classes
     //this->evaluate(Pstream::commsTypes::blocking);
diff --git a/src/finiteVolume/fields/fvPatchFields/constraint/jumpCyclic/jumpCyclicFvPatchField.H b/src/finiteVolume/fields/fvPatchFields/constraint/jumpCyclic/jumpCyclicFvPatchField.H
index 431d61aa73..0b0425b1cc 100644
--- a/src/finiteVolume/fields/fvPatchFields/constraint/jumpCyclic/jumpCyclicFvPatchField.H
+++ b/src/finiteVolume/fields/fvPatchFields/constraint/jumpCyclic/jumpCyclicFvPatchField.H
@@ -82,7 +82,8 @@ public:
         (
             const fvPatch&,
             const DimensionedField<Type, volMesh>&,
-            const dictionary&
+            const dictionary&,
+            const bool valueRequired = true
         );
 
         //- Construct by mapping given jumpCyclicFvPatchField onto a new patch
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.C
index 58a9801295..0054c3def6 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2015 OpenFOAM Foundation
-    Copyright (C) 2017-2020 OpenCFD Ltd.
+    Copyright (C) 2017-2021 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -67,7 +67,7 @@ Foam::fanFvPatchField<Type>::fanFvPatchField
     const dictionary& dict
 )
 :
-    uniformJumpFvPatchField<Type>(p, iF, dict),
+    uniformJumpFvPatchField<Type>(p, iF, dict, false), // Pass no valueRequired
     phiName_(dict.getOrDefault<word>("phi", "phi")),
     rhoName_(dict.getOrDefault<word>("rho", "rho")),
     uniformJump_(dict.getOrDefault("uniformJump", false)),
@@ -75,11 +75,29 @@ Foam::fanFvPatchField<Type>::fanFvPatchField
     rpm_(0),
     dm_(0)
 {
+    // Note that we've not read jumpTable_ etc
     if (nonDimensional_)
     {
         dict.readEntry("rpm", rpm_);
         dict.readEntry("dm", dm_);
     }
+
+    if (this->cyclicPatch().owner())
+    {
+        this->jumpTable_ = Function1<Type>::New("jumpTable", dict);
+    }
+
+    if (dict.found("value"))
+    {
+        fvPatchField<Type>::operator=
+        (
+            Field<Type>("value", dict, p.size())
+        );
+    }
+    else
+    {
+        this->evaluate(Pstream::commsTypes::blocking);
+    }
 }
 
 
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.H b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.H
index 5abbc3545f..261f572b18 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.H
+++ b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchField.H
@@ -240,14 +240,6 @@ public:
 template<>
 void fanFvPatchField<scalar>::calcFanJump();
 
-template<>
-fanFvPatchField<scalar>::fanFvPatchField
-(
-    const fvPatch&,
-    const DimensionedField<scalar, volMesh>&,
-    const dictionary&
-);
-
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchFields.C b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchFields.C
index 53ec3fac7f..219864267a 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchFields.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/fan/fanFvPatchFields.C
@@ -86,49 +86,6 @@ void Foam::fanFvPatchField<Foam::scalar>::calcFanJump()
 }
 
 
-// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
-
-template<>
-Foam::fanFvPatchField<Foam::scalar>::fanFvPatchField
-(
-    const fvPatch& p,
-    const DimensionedField<scalar, volMesh>& iF,
-    const dictionary& dict
-)
-:
-    uniformJumpFvPatchField<scalar>(p, iF, dict),
-    phiName_(dict.getOrDefault<word>("phi", "phi")),
-    rhoName_(dict.getOrDefault<word>("rho", "rho")),
-    uniformJump_(dict.getOrDefault("uniformJump", false)),
-    nonDimensional_(dict.getOrDefault("nonDimensional", false)),
-    rpm_(0),
-    dm_(0)
-{
-    if (nonDimensional_)
-    {
-        dict.readEntry("rpm", rpm_);
-        dict.readEntry("dm", dm_);
-    }
-
-    if (this->cyclicPatch().owner())
-    {
-        this->jumpTable_ = Function1<scalar>::New("jumpTable", dict);
-    }
-
-    if (dict.found("value"))
-    {
-        fvPatchScalarField::operator=
-        (
-            scalarField("value", dict, p.size())
-        );
-    }
-    else
-    {
-        this->evaluate(Pstream::commsTypes::blocking);
-    }
-}
-
-
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 namespace Foam
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/fixedJump/fixedJumpFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/derived/fixedJump/fixedJumpFvPatchField.C
index d96fe62121..f25df2e4b0 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/fixedJump/fixedJumpFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/fixedJump/fixedJumpFvPatchField.C
@@ -69,10 +69,11 @@ Foam::fixedJumpFvPatchField<Type>::fixedJumpFvPatchField
 (
     const fvPatch& p,
     const DimensionedField<Type, volMesh>& iF,
-    const dictionary& dict
+    const dictionary& dict,
+    const bool valueRequired
 )
 :
-    jumpCyclicFvPatchField<Type>(p, iF, dict),
+    jumpCyclicFvPatchField<Type>(p, iF, dict, false), // Pass no valueRequired
     jump_(p.size(), Zero),
     jump0_(p.size(), Zero),
     minJump_(dict.getOrDefault<Type>("minJump", pTraits<Type>::min)),
@@ -81,7 +82,10 @@ Foam::fixedJumpFvPatchField<Type>::fixedJumpFvPatchField
 {
     if (this->cyclicPatch().owner())
     {
-        jump_ = Field<Type>("jump", dict, p.size());
+        if (valueRequired)
+        {
+            jump_ = Field<Type>("jump", dict, p.size());
+        }
 
         if (dict.found("jump0"))
         {
@@ -89,16 +93,19 @@ Foam::fixedJumpFvPatchField<Type>::fixedJumpFvPatchField
         }
     }
 
-    if (dict.found("value"))
+    if (valueRequired)
     {
-        fvPatchField<Type>::operator=
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
-    {
-        this->evaluate(Pstream::commsTypes::blocking);
+        if (dict.found("value"))
+        {
+            fvPatchField<Type>::operator=
+            (
+                Field<Type>("value", dict, p.size())
+            );
+        }
+        else
+        {
+            this->evaluate(Pstream::commsTypes::blocking);
+        }
     }
 }
 
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/fixedJump/fixedJumpFvPatchField.H b/src/finiteVolume/fields/fvPatchFields/derived/fixedJump/fixedJumpFvPatchField.H
index 8c5470782f..ee758e5928 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/fixedJump/fixedJumpFvPatchField.H
+++ b/src/finiteVolume/fields/fvPatchFields/derived/fixedJump/fixedJumpFvPatchField.H
@@ -127,7 +127,8 @@ public:
         (
             const fvPatch&,
             const DimensionedField<Type, volMesh>&,
-            const dictionary&
+            const dictionary&,
+            const bool valueRequired = true
         );
 
         //- Construct by mapping given fixedJumpFvPatchField onto a
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.C
index 7575864083..06ff6d907e 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.C
@@ -60,27 +60,31 @@ Foam::uniformJumpFvPatchField<Type>::uniformJumpFvPatchField
 (
     const fvPatch& p,
     const DimensionedField<Type, volMesh>& iF,
-    const dictionary& dict
+    const dictionary& dict,
+    const bool valueRequired
 )
 :
-    fixedJumpFvPatchField<Type>(p, iF, dict),
+    fixedJumpFvPatchField<Type>(p, iF, dict, false), // Pass no valueRequired
     jumpTable_()
 {
-    if (this->cyclicPatch().owner())
+    if (valueRequired)
     {
-        jumpTable_ = Function1<Type>::New("jumpTable", dict);
-    }
+        if (this->cyclicPatch().owner())
+        {
+            jumpTable_ = Function1<Type>::New("jumpTable", dict);
+        }
 
-    if (dict.found("value"))
-    {
-        fvPatchField<Type>::operator=
-        (
-            Field<Type>("value", dict, p.size())
-        );
-    }
-    else
-    {
-        this->evaluate(Pstream::commsTypes::blocking);
+        if (dict.found("value"))
+        {
+            fvPatchField<Type>::operator=
+            (
+                Field<Type>("value", dict, p.size())
+            );
+        }
+        else
+        {
+            this->evaluate(Pstream::commsTypes::blocking);
+        }
     }
 }
 
diff --git a/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.H b/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.H
index a68add222c..f54cc9139c 100644
--- a/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.H
+++ b/src/finiteVolume/fields/fvPatchFields/derived/uniformJump/uniformJumpFvPatchField.H
@@ -117,7 +117,8 @@ public:
         (
             const fvPatch&,
             const DimensionedField<Type, volMesh>&,
-            const dictionary&
+            const dictionary&,
+            const bool valueRequired = true
         );
 
         //- Construct by mapping given uniformJumpFvPatchField onto a
diff --git a/src/meshTools/AMIInterpolation/AMIInterpolation/faceAreaWeightAMI/faceAreaWeightAMI.C b/src/meshTools/AMIInterpolation/AMIInterpolation/faceAreaWeightAMI/faceAreaWeightAMI.C
index 395b1830f4..6163d56812 100644
--- a/src/meshTools/AMIInterpolation/AMIInterpolation/faceAreaWeightAMI/faceAreaWeightAMI.C
+++ b/src/meshTools/AMIInterpolation/AMIInterpolation/faceAreaWeightAMI/faceAreaWeightAMI.C
@@ -38,6 +38,17 @@ namespace Foam
     defineTypeNameAndDebug(faceAreaWeightAMI, 0);
     addToRunTimeSelectionTable(AMIInterpolation, faceAreaWeightAMI, dict);
     addToRunTimeSelectionTable(AMIInterpolation, faceAreaWeightAMI, component);
+
+    // Backwards compatibility for pre v2106 versions
+    // - partialFaceAreaWeightAMI deprecated in v2106
+    addNamedToRunTimeSelectionTable
+    (
+        AMIInterpolation,
+        faceAreaWeightAMI,
+        dict,
+        partialFaceAreaWeightAMI
+    );
+
 }
 
 // * * * * * * * * * * * * * Protected Member Functions  * * * * * * * * * * //