diff --git a/MVMCoreUI/Atoms/Buttons/PillButton.swift b/MVMCoreUI/Atoms/Buttons/PillButton.swift
index da8cf0c7..c760c0b7 100644
--- a/MVMCoreUI/Atoms/Buttons/PillButton.swift
+++ b/MVMCoreUI/Atoms/Buttons/PillButton.swift
@@ -130,7 +130,7 @@ open class PillButton: Button, MVMCoreUIViewConstrainingProtocol {
             self?.enableField(model.enabled)
         }
         
-        FormValidator.setupValidation(molecule: model, delegate: delegateObject?.formHolderDelegate)        
+        FormValidator.setupValidation(molecule: model, delegate: delegateObject?.formHolderDelegate)
     }
         
     open override class func estimatedHeight(with model: MoleculeModelProtocol, _ delegateObject:  MVMCoreUIDelegateObject?) -> CGFloat? {
diff --git a/MVMCoreUI/FormUIHelpers/FormValidator.swift b/MVMCoreUI/FormUIHelpers/FormValidator.swift
index 8977fad5..0a14e027 100644
--- a/MVMCoreUI/FormUIHelpers/FormValidator.swift
+++ b/MVMCoreUI/FormUIHelpers/FormValidator.swift
@@ -14,7 +14,7 @@ import MVMCore
     static var defaultGroupName: String = "default"
     var extraValidationBlock: (() -> Bool)?
     var formRules: [FormGroupRule]?
-    var delegate: FormHolderProtocol?
+    weak var delegate: FormHolderProtocol?
     var fieldMolecules: [String: FormFieldProtocol] = [:]
     var formActionMolecules: [FormActionFieldProtocol] = []
     var radioButtonsModelByGroup: [String: RadioButtonSelectionHelper] = [:]
diff --git a/MVMCoreUI/OtherHandlers/MVMCoreUIDelegateObject.swift b/MVMCoreUI/OtherHandlers/MVMCoreUIDelegateObject.swift
index 54de3802..c9d5d34c 100644
--- a/MVMCoreUI/OtherHandlers/MVMCoreUIDelegateObject.swift
+++ b/MVMCoreUI/OtherHandlers/MVMCoreUIDelegateObject.swift
@@ -13,7 +13,7 @@ open class MVMCoreUIDelegateObject: DelegateObject {
     public weak var buttonDelegate: ButtonDelegateProtocol?
     public weak var uiTextFieldDelegate: UITextFieldDelegate?
     public weak var observingTextFieldDelegate: ObservingTextFieldDelegate?
-    public var moleculeDelegate: MoleculeDelegateProtocol?
+    public weak var moleculeDelegate: MoleculeDelegateProtocol?
 
     open override func setAll(withDelegate delegate: Any) {
         super.setAll(withDelegate: delegate)
diff --git a/MVMCoreUI/OtherHandlers/ModelMoleculeDelegateProtocol.swift b/MVMCoreUI/OtherHandlers/ModelMoleculeDelegateProtocol.swift
index 435e5a24..07df3296 100644
--- a/MVMCoreUI/OtherHandlers/ModelMoleculeDelegateProtocol.swift
+++ b/MVMCoreUI/OtherHandlers/ModelMoleculeDelegateProtocol.swift
@@ -8,7 +8,7 @@
 
 import Foundation
 
-public protocol MoleculeDelegateProtocol {
+public protocol MoleculeDelegateProtocol: AnyObject {
 
     /// returns a module for the corresponding module name.
     func getModuleWithName(_ name: String?) -> [AnyHashable : Any]?