diff --git a/src/main/java/org/tron/common/logsfilter/trigger/ContractTrigger.java b/src/main/java/org/tron/common/logsfilter/trigger/ContractTrigger.java
index cc5fad8f50f..9f2596864ef 100644
--- a/src/main/java/org/tron/common/logsfilter/trigger/ContractTrigger.java
+++ b/src/main/java/org/tron/common/logsfilter/trigger/ContractTrigger.java
@@ -79,8 +79,4 @@ public class ContractTrigger extends Trigger {
   @Getter
   @Setter
   private ABI abi;
-
-  @Getter
-  @Setter
-  private String abiString;
 }