diff --git a/pkg/rules/sequence.go b/pkg/rules/sequence.go
index e1031fbad..d5bcf2ff4 100644
--- a/pkg/rules/sequence.go
+++ b/pkg/rules/sequence.go
@@ -28,10 +28,10 @@ import (
 	"github.com/rabbitstack/fibratus/pkg/filter"
 	"github.com/rabbitstack/fibratus/pkg/filter/ql"
 	"github.com/rabbitstack/fibratus/pkg/ps"
-	"github.com/rabbitstack/fibratus/pkg/util/atomic"
 	log "github.com/sirupsen/logrus"
 	"sort"
 	"sync"
+	"sync/atomic"
 	"time"
 )
 
@@ -130,7 +130,6 @@ func newSequenceState(f filter.Filter, c *config.FilterConfig, psnap ps.Snapshot
 		exprs:         make(map[int]string),
 		spanDeadlines: make(map[fsm.State]*time.Timer),
 		initialState:  sequenceInitialState,
-		inDeadline:    atomic.MakeBool(false),
 		psnap:         psnap,
 	}
 
diff --git a/pkg/util/atomic/atomic.go b/pkg/util/atomic/atomic.go
deleted file mode 100644
index d0345f863..000000000
--- a/pkg/util/atomic/atomic.go
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * Copyright 2021-2022 by Nedim Sabic Sabic
- * https://www.fibratus.io
- * All Rights Reserved.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package atomic
-
-import atom "sync/atomic"
-
-// Bool provides an atomic boolean type.
-type Bool struct{ u Uint32 }
-
-// Uint32 provides an atomic uint32 type.
-type Uint32 struct{ value uint32 }
-
-func MakeBool(v bool) Bool   { return Bool{MakeUint32(btoi(v))} }
-func NewBool(v bool) *Bool   { return &Bool{MakeUint32(btoi(v))} }
-func (b *Bool) Load() bool   { return b.u.Load() == 1 }
-func (b *Bool) Store(v bool) { b.u.Store(btoi(v)) }
-
-func MakeUint32(v uint32) Uint32 { return Uint32{v} }
-func NewUint32(v uint32) *Uint32 { return &Uint32{v} }
-func (u *Uint32) Load() uint32   { return atom.LoadUint32(&u.value) }
-func (u *Uint32) Store(v uint32) { atom.StoreUint32(&u.value, v) }
-
-func btoi(b bool) uint32 {
-	if b {
-		return 1
-	}
-	return 0
-}