diff --git a/src/storage-custom.js b/src/storage-custom.js
index 6b43c42..1594529 100644
--- a/src/storage-custom.js
+++ b/src/storage-custom.js
@@ -1,4 +1,4 @@
-const { debug, ID, PathReference, PathInfo, ascii85, ColorStyle } = require('acebase-core');
+const { ID, PathReference, PathInfo, ascii85, ColorStyle } = require('acebase-core');
 const { NodeInfo } = require('./node-info');
 const { NodeLocker } = require('./node-lock');
 const { VALUE_TYPES } = require('./node-value-types');
diff --git a/src/storage-mssql.js b/src/storage-mssql.js
index 105d000..30907b3 100644
--- a/src/storage-mssql.js
+++ b/src/storage-mssql.js
@@ -1,10 +1,8 @@
-const { debug, ID, PathReference, PathInfo, ascii85, ColorStyle } = require('acebase-core');
+const { ID, PathReference, PathInfo, ascii85, ColorStyle } = require('acebase-core');
 const { Storage, StorageSettings, NodeNotFoundError } = require('./storage');
 const { NodeInfo } = require('./node-info');
-const { VALUE_TYPES, getValueTypeName } = require('./node-value-types');
-// const promiseTimeout = require('./promise-timeout');
+const { VALUE_TYPES } = require('./node-value-types');
 const pfs = require('./promise-fs');
-const ThreadSafe = require('./thread-safe');
 
 let mssql; // mssql dependency is lazy loaded in MSSQLStorage constructor
 
diff --git a/src/storage-sqlite.js b/src/storage-sqlite.js
index dc990b5..8a7f9ef 100644
--- a/src/storage-sqlite.js
+++ b/src/storage-sqlite.js
@@ -1,8 +1,7 @@
-const { debug, ID, PathReference, PathInfo, ascii85, ColorStyle } = require('acebase-core');
+const { ID, PathReference, PathInfo, ascii85, ColorStyle } = require('acebase-core');
 const { Storage, StorageSettings, NodeNotFoundError } = require('./storage');
 const { NodeInfo } = require('./node-info');
-const { VALUE_TYPES, getValueTypeName } = require('./node-value-types');
-// const promiseTimeout = require('./promise-timeout');
+const { VALUE_TYPES } = require('./node-value-types');
 const pfs = require('./promise-fs');
 const ThreadSafe = require('./thread-safe');