1 files changed, 0 insertions, 62 deletions
diff --git a/lib/uidstore/uidstore.go b/lib/uidstore/uidstore.go
deleted file mode 100644
index 11c5e47c..00000000
--- a/lib/uidstore/uidstore.go
+++ /dev/null
@@ -1,62 +0,0 @@
-// Package uidstore provides a concurrency-safe two-way mapping between UIDs
-// used by the UI and arbitrary string keys as used by different mail backends.
-//
-// Multiple Store instances can safely be created and the UIDs that they
-// generate will be globally unique.
-package uidstore
-
-import (
-	"sync"
-	"sync/atomic"
-)
-
-var nextUID uint32 = 1
-
-// Store holds a mapping between application keys and globally-unique UIDs.
-type Store struct {
-	keyByUID map[uint32]string
-	uidByKey map[string]uint32
-	m        sync.Mutex
-}
-
-// NewStore creates a new, empty Store.
-func NewStore() *Store {
-	return &Store{
-		keyByUID: make(map[uint32]string),
-		uidByKey: make(map[string]uint32),
-	}
-}
-
-// GetOrInsert returns the UID for the provided key. If the key was already
-// present in the store, the same UID value is returned. Otherwise, the key is
-// inserted and the newly generated UID is returned.
-func (s *Store) GetOrInsert(key string) uint32 {
-	s.m.Lock()
-	defer s.m.Unlock()
-	if uid, ok := s.uidByKey[key]; ok {
-		return uid
-	}
-	uid := atomic.AddUint32(&nextUID, 1)
-	s.keyByUID[uid] = key
-	s.uidByKey[key] = uid
-	return uid
-}
-
-// GetKey returns the key for the provided UID, if available.
-func (s *Store) GetKey(uid uint32) (string, bool) {
-	s.m.Lock()
-	defer s.m.Unlock()
-	key, ok := s.keyByUID[uid]
-	return key, ok
-}
-
-// RemoveUID removes the specified UID from the store.
-func (s *Store) RemoveUID(uid uint32) {
-	s.m.Lock()
-	defer s.m.Unlock()
-	key, ok := s.keyByUID[uid]
-	if ok {
-		delete(s.uidByKey, key)
-	}
-	delete(s.keyByUID, uid)
-}