diff --git a/core/vm/instructions.go b/core/vm/instructions.go
index eaabc1a76ec6..36401455109d 100644
--- a/core/vm/instructions.go
+++ b/core/vm/instructions.go
@@ -710,7 +710,6 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([]byt
 	}
 	stack.push(&temp)
 	if err == nil || err == ErrExecutionReverted {
-		ret = common.CopyBytes(ret)
 		scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
 	}
 	scope.Contract.Gas += returnGas
@@ -746,7 +745,6 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) ([
 	}
 	stack.push(&temp)
 	if err == nil || err == ErrExecutionReverted {
-		ret = common.CopyBytes(ret)
 		scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
 	}
 	scope.Contract.Gas += returnGas
@@ -775,7 +773,6 @@ func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext
 	}
 	stack.push(&temp)
 	if err == nil || err == ErrExecutionReverted {
-		ret = common.CopyBytes(ret)
 		scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
 	}
 	scope.Contract.Gas += returnGas
@@ -804,7 +801,6 @@ func opStaticCall(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext)
 	}
 	stack.push(&temp)
 	if err == nil || err == ErrExecutionReverted {
-		ret = common.CopyBytes(ret)
 		scope.Memory.Set(retOffset.Uint64(), retSize.Uint64(), ret)
 	}
 	scope.Contract.Gas += returnGas