diff --git a/packages/editor-ui/src/components/ExpressionInput.vue b/packages/editor-ui/src/components/ExpressionInput.vue
index 13c914ed17..a42ff6613b 100644
--- a/packages/editor-ui/src/components/ExpressionInput.vue
+++ b/packages/editor-ui/src/components/ExpressionInput.vue
@@ -12,23 +12,22 @@ import 'quill/dist/quill.core.css';
 
 import Quill, { DeltaOperation } from 'quill';
 // @ts-ignore
-import AutoFormat, { AutoformatHelperAttribute } from 'quill-autoformat';
+import AutoFormat from 'quill-autoformat';
 import {
 	NodeParameterValue,
 	Workflow,
-	WorkflowDataProxy,
 } from 'n8n-workflow';
 
 import {
-	IExecutionResponse,
 	IVariableItemSelected,
-	IVariableSelectorOption,
 } from '@/Interface';
+import { genericHelpers } from '@/components/mixins/genericHelpers';
 import { workflowHelpers } from '@/components/mixins/workflowHelpers';
 
 import mixins from 'vue-typed-mixins';
 
 export default mixins(
+	genericHelpers,
 	workflowHelpers,
 )
 	.extend({
@@ -119,7 +118,7 @@ export default mixins(
 			};
 
 			this.editor = new Quill(this.$refs['expression-editor'] as Element, {
-				readOnly: !!this.resolvedValue,
+				readOnly: !!this.resolvedValue || this.isReadOnly,
 				modules: {
 					autoformat: {},
 					keyboard: {
diff --git a/packages/editor-ui/src/components/ParameterInput.vue b/packages/editor-ui/src/components/ParameterInput.vue
index 5f77346c3f..225859590f 100644
--- a/packages/editor-ui/src/components/ParameterInput.vue
+++ b/packages/editor-ui/src/components/ParameterInput.vue
@@ -10,7 +10,7 @@
 				<prism-editor v-if="!codeEditDialogVisible" :lineNumbers="true" :readonly="true" :code="displayValue" language="js"></prism-editor>
 			</div>
 
-			<el-input v-else v-model="tempValue" ref="inputField" size="small" :type="getStringInputType" :rows="getArgument('rows')" :value="displayValue" :disabled="isReadOnly" @change="valueChanged" @keydown.stop @focus="setFocus" :title="displayTitle" :placeholder="isValueExpression?'':parameter.placeholder">
+			<el-input v-else v-model="tempValue" ref="inputField" size="small" :type="getStringInputType" :rows="getArgument('rows')" :value="displayValue" :disabled="!isValueExpression && isReadOnly" @change="valueChanged" @keydown.stop @focus="setFocus" :title="displayTitle" :placeholder="isValueExpression?'':parameter.placeholder">
 				<font-awesome-icon v-if="!isValueExpression && !isReadOnly" slot="suffix" icon="external-link-alt" class="edit-window-button clickable" title="Open Edit Window" @click="displayEditDialog()" />
 			</el-input>
 		</div>
@@ -523,9 +523,6 @@ export default mixins(
 				this.valueChanged(value);
 			},
 			setFocus () {
-				if (this.isReadOnly === true) {
-					return;
-				}
 				if (this.isValueExpression) {
 					this.expressionEditDialogVisible = true;
 					return;