diff --git a/ui/src/main/java/org/jboss/hal/ui/resource/BooleanFormItem.java b/ui/src/main/java/org/jboss/hal/ui/resource/BooleanFormItem.java
index d7f28ef..7499fc6 100644
--- a/ui/src/main/java/org/jboss/hal/ui/resource/BooleanFormItem.java
+++ b/ui/src/main/java/org/jboss/hal/ui/resource/BooleanFormItem.java
@@ -120,30 +120,32 @@ boolean validate() {
 
     @Override
     boolean isModified() {
-        if (flags.scope == NEW_RESOURCE) {
-            if (inputMode == NATIVE) {
-                if (ra.description.hasDefault()) {
-                    return ra.description.get(DEFAULT).asBoolean() != switchControl.value();
-                } else {
-                    return ra.value.asBoolean(false) != switchControl.value();
+        if (ra.readable && !ra.description.readOnly()) {
+            if (flags.scope == NEW_RESOURCE) {
+                if (inputMode == NATIVE) {
+                    if (ra.description.hasDefault()) {
+                        return ra.description.get(DEFAULT).asBoolean() != switchControl.value();
+                    } else {
+                        return ra.value.asBoolean(false) != switchControl.value();
+                    }
+                } else if (inputMode == EXPRESSION) {
+                    return isExpressionModified();
                 }
-            } else if (inputMode == EXPRESSION) {
-                return isExpressionModified();
-            }
-        } else if (flags.scope == EXISTING_RESOURCE) {
-            boolean wasDefined = ra.value.isDefined();
-            if (inputMode == NATIVE) {
-                if (wasDefined) {
-                    // modified if the original value was an expression or is different from the current user input
-                    return ra.expression || ra.value.asBoolean() != switchControl.value();
-                } else {
-                    return true;
+            } else if (flags.scope == EXISTING_RESOURCE) {
+                boolean wasDefined = ra.value.isDefined();
+                if (inputMode == NATIVE) {
+                    if (wasDefined) {
+                        // modified if the original value was an expression or is different from the current user input
+                        return ra.expression || ra.value.asBoolean() != switchControl.value();
+                    } else {
+                        return true;
+                    }
+                } else if (inputMode == EXPRESSION) {
+                    return isExpressionModified();
                 }
-            } else if (inputMode == EXPRESSION) {
-                return isExpressionModified();
+            } else {
+                unknownScope();
             }
-        } else {
-            unknownScope();
         }
         return false;
     }
diff --git a/ui/src/main/java/org/jboss/hal/ui/resource/NumberFormItem.java b/ui/src/main/java/org/jboss/hal/ui/resource/NumberFormItem.java
index 7359189..7ca4586 100644
--- a/ui/src/main/java/org/jboss/hal/ui/resource/NumberFormItem.java
+++ b/ui/src/main/java/org/jboss/hal/ui/resource/NumberFormItem.java
@@ -340,56 +340,58 @@ private RangeValidation inRange(NumericValidation numericValidation) {
 
     @Override
     boolean isModified() {
-        if (flags.scope == NEW_RESOURCE) {
-            if (inputMode == NATIVE) {
-                if (allowedValuesControl != null) {
-                    String selectedValue = allowedValuesControl.value();
-                    if (ra.description.hasDefault()) {
-                        return !ra.description.get(DEFAULT).asString().equals(selectedValue);
-                    } else {
-                        return !UNDEFINED.equals(selectedValue);
-                    }
-                } else if (minMaxControl != null) {
-                    if (ra.description.hasDefault()) {
-                        return !ra.description.get(DEFAULT).asString().equals(minMaxControl.value());
-                    } else {
-                        return !minMaxControl.value().isEmpty();
+        if (ra.readable && !ra.description.readOnly()) {
+            if (flags.scope == NEW_RESOURCE) {
+                if (inputMode == NATIVE) {
+                    if (allowedValuesControl != null) {
+                        String selectedValue = allowedValuesControl.value();
+                        if (ra.description.hasDefault()) {
+                            return !ra.description.get(DEFAULT).asString().equals(selectedValue);
+                        } else {
+                            return !UNDEFINED.equals(selectedValue);
+                        }
+                    } else if (minMaxControl != null) {
+                        if (ra.description.hasDefault()) {
+                            return !ra.description.get(DEFAULT).asString().equals(minMaxControl.value());
+                        } else {
+                            return !minMaxControl.value().isEmpty();
+                        }
                     }
+                } else if (inputMode == EXPRESSION) {
+                    return isExpressionModified();
                 }
-            } else if (inputMode == EXPRESSION) {
-                return isExpressionModified();
-            }
-        } else if (flags.scope == EXISTING_RESOURCE) {
-            boolean wasDefined = ra.value.isDefined();
-            if (inputMode == NATIVE) {
-                if (allowedValuesControl != null) {
-                    String selectedValue = allowedValuesControl.value();
-                    if (wasDefined) {
-                        // modified if the original value was an expression or is different from the current user input
-                        String originalValue = ra.value.asString();
-                        return ra.expression || !originalValue.equals(selectedValue);
-                    } else {
-                        return !UNDEFINED.equals(selectedValue);
+            } else if (flags.scope == EXISTING_RESOURCE) {
+                boolean wasDefined = ra.value.isDefined();
+                if (inputMode == NATIVE) {
+                    if (allowedValuesControl != null) {
+                        String selectedValue = allowedValuesControl.value();
+                        if (wasDefined) {
+                            // modified if the original value was an expression or is different from the current user input
+                            String originalValue = ra.value.asString();
+                            return ra.expression || !originalValue.equals(selectedValue);
+                        } else {
+                            return !UNDEFINED.equals(selectedValue);
+                        }
+                    } else if (minMaxControl != null) {
+                        if (wasDefined) {
+                            // modified if the original value was an expression or is different from the current user input
+                            String originalValue = ra.value.asString();
+                            return ra.expression || !originalValue.equals(minMaxControl.value());
+                        } else {
+                            return !minMaxControl.value().isEmpty();
+                        }
                     }
-                } else if (minMaxControl != null) {
+                } else if (inputMode == EXPRESSION) {
                     if (wasDefined) {
-                        // modified if the original value was an expression or is different from the current user input
                         String originalValue = ra.value.asString();
-                        return ra.expression || !originalValue.equals(minMaxControl.value());
+                        return !originalValue.equals(textControlValue());
                     } else {
-                        return !minMaxControl.value().isEmpty();
+                        return !textControlValue().isEmpty();
                     }
                 }
-            } else if (inputMode == EXPRESSION) {
-                if (wasDefined) {
-                    String originalValue = ra.value.asString();
-                    return !originalValue.equals(textControlValue());
-                } else {
-                    return !textControlValue().isEmpty();
-                }
+            } else {
+                unknownScope();
             }
-        } else {
-            unknownScope();
         }
         return false;
     }
diff --git a/ui/src/main/java/org/jboss/hal/ui/resource/ResourceDialogs.java b/ui/src/main/java/org/jboss/hal/ui/resource/ResourceDialogs.java
index 34db8f2..703090b 100644
--- a/ui/src/main/java/org/jboss/hal/ui/resource/ResourceDialogs.java
+++ b/ui/src/main/java/org/jboss/hal/ui/resource/ResourceDialogs.java
@@ -193,7 +193,7 @@ public static void executeOperation(AddressTemplate template, String operation)
 
     private static ResourceForm operationForm(AddressTemplate template, Metadata metadata,
             OperationDescription operationDescription) {
-        List<ResourceAttribute> resourceAttributes = resourceAttributes(operationDescription, __ -> true);
+        List<ResourceAttribute> resourceAttributes = resourceAttributes(operationDescription, notDeprecated());
         ResourceForm resourceForm = new ResourceForm(template);
         for (ResourceAttribute ra : resourceAttributes) {
             resourceForm.addItem(formItem(template, metadata, ra,
diff --git a/ui/src/main/java/org/jboss/hal/ui/resource/SelectFormItem.java b/ui/src/main/java/org/jboss/hal/ui/resource/SelectFormItem.java
index 1b7f507..c66b43f 100644
--- a/ui/src/main/java/org/jboss/hal/ui/resource/SelectFormItem.java
+++ b/ui/src/main/java/org/jboss/hal/ui/resource/SelectFormItem.java
@@ -110,7 +110,9 @@ private FormSelect selectControl() {
     @Override
     void resetValidation() {
         super.resetValidation();
-        selectControl.resetValidation();
+        if (selectControl != null) {
+            selectControl.resetValidation();
+        }
     }
 
     @Override
@@ -132,33 +134,35 @@ boolean validate() {
 
     @Override
     boolean isModified() {
-        if (flags.scope == NEW_RESOURCE) {
-            if (inputMode == NATIVE) {
-                String selectedValue = selectControl.value();
-                if (ra.description.hasDefault()) {
-                    return !ra.description.get(DEFAULT).asString().equals(selectedValue);
-                } else {
-                    return !UNDEFINED.equals(selectedValue);
+        if (ra.readable && !ra.description.readOnly()) {
+            if (flags.scope == NEW_RESOURCE) {
+                if (inputMode == NATIVE) {
+                    String selectedValue = selectControl.value();
+                    if (ra.description.hasDefault()) {
+                        return !ra.description.get(DEFAULT).asString().equals(selectedValue);
+                    } else {
+                        return !UNDEFINED.equals(selectedValue);
+                    }
+                } else if (inputMode == EXPRESSION) {
+                    return isExpressionModified();
                 }
-            } else if (inputMode == EXPRESSION) {
-                return isExpressionModified();
-            }
-        } else if (flags.scope == EXISTING_RESOURCE) {
-            boolean wasDefined = ra.value.isDefined();
-            if (inputMode == NATIVE) {
-                String selectedValue = selectControl.value();
-                if (wasDefined) {
-                    // modified if the original value was an expression or is different from the current user input
-                    String originalValue = ra.value.asString();
-                    return ra.expression || !originalValue.equals(selectedValue);
-                } else {
-                    return !UNDEFINED.equals(selectedValue);
+            } else if (flags.scope == EXISTING_RESOURCE) {
+                boolean wasDefined = ra.value.isDefined();
+                if (inputMode == NATIVE) {
+                    String selectedValue = selectControl.value();
+                    if (wasDefined) {
+                        // modified if the original value was an expression or is different from the current user input
+                        String originalValue = ra.value.asString();
+                        return ra.expression || !originalValue.equals(selectedValue);
+                    } else {
+                        return !UNDEFINED.equals(selectedValue);
+                    }
+                } else if (inputMode == EXPRESSION) {
+                    return isExpressionModified();
                 }
-            } else if (inputMode == EXPRESSION) {
-                return isExpressionModified();
+            } else {
+                unknownScope();
             }
-        } else {
-            unknownScope();
         }
         return false;
     }
diff --git a/ui/src/main/java/org/jboss/hal/ui/resource/StringFormItem.java b/ui/src/main/java/org/jboss/hal/ui/resource/StringFormItem.java
index f31dd6f..a51f719 100644
--- a/ui/src/main/java/org/jboss/hal/ui/resource/StringFormItem.java
+++ b/ui/src/main/java/org/jboss/hal/ui/resource/StringFormItem.java
@@ -93,8 +93,11 @@ boolean validate() {
 
     @Override
     boolean isModified() {
-        // StringFormItem runs in mixed mode, so it's safe to delegate to isExpressionModified()
-        return isExpressionModified();
+        if (ra.readable && !ra.description.readOnly()) {
+            // StringFormItem runs in mixed mode, so it's safe to delegate to isExpressionModified()
+            return isExpressionModified();
+        }
+        return false;
     }
 
     @Override