diff --git a/packages/core/src/data_sources/model/ComponentDataVariable.ts b/packages/core/src/data_sources/model/ComponentDataVariable.ts
index cc870c2a3..504956c40 100644
--- a/packages/core/src/data_sources/model/ComponentDataVariable.ts
+++ b/packages/core/src/data_sources/model/ComponentDataVariable.ts
@@ -13,6 +13,7 @@ export default class ComponentDataVariable extends Component {
       type: DataVariableType,
       path: '',
       defaultValue: '',
+      droppable: false,
     };
   }
 
diff --git a/packages/core/src/data_sources/model/conditional_variables/ComponentDataCondition.ts b/packages/core/src/data_sources/model/conditional_variables/ComponentDataCondition.ts
index 131ac859f..755262883 100644
--- a/packages/core/src/data_sources/model/conditional_variables/ComponentDataCondition.ts
+++ b/packages/core/src/data_sources/model/conditional_variables/ComponentDataCondition.ts
@@ -15,6 +15,7 @@ export default class ComponentDataCondition extends Component {
         ...props,
         type: DataConditionType,
         components: dataConditionInstance.getDataValue(),
+        droppable: false,
       },
       opt,
     );
diff --git a/packages/core/src/data_sources/model/data_collection/ComponentDataCollectionVariable.ts b/packages/core/src/data_sources/model/data_collection/ComponentDataCollectionVariable.ts
index a4d7a7f6e..c268ae3b1 100644
--- a/packages/core/src/data_sources/model/data_collection/ComponentDataCollectionVariable.ts
+++ b/packages/core/src/data_sources/model/data_collection/ComponentDataCollectionVariable.ts
@@ -18,6 +18,7 @@ export default class ComponentDataCollectionVariable extends Component {
       collectionId: undefined,
       variableType: undefined,
       path: undefined,
+      droppable: false,
     };
   }