diff --git a/src/backend/src/helpers.js b/src/backend/src/helpers.js
index 0b38c940..ac9fbae0 100644
--- a/src/backend/src/helpers.js
+++ b/src/backend/src/helpers.js
@@ -20,7 +20,6 @@ const _path = require('path');
 const micromatch = require('micromatch');
 const config = require('./config')
 const mime = require('mime-types');
-const PerformanceMonitor = require('./monitor/PerformanceMonitor.js');
 const { ManagedError } = require('./util/errorutil.js');
 const { spanify } = require('./util/otelutil.js');
 const APIError = require('./api/APIError.js');
@@ -28,7 +27,6 @@ const { DB_READ, DB_WRITE } = require('./services/database/consts.js');
 const { BaseDatabaseAccessService } = require('./services/database/BaseDatabaseAccessService.js');
 const { Context } = require('./util/context');
 const { NodeUIDSelector } = require('./filesystem/node/selectors');
-const { stream_to_buffer } = require('./util/streamutil.js');
 
 let services = null;
 const tmp_provide_services = async ss => {
diff --git a/src/backend/src/modules/broadcast/BroadcastService.js b/src/backend/src/modules/broadcast/BroadcastService.js
index c3c98d96..5bf5bf5d 100644
--- a/src/backend/src/modules/broadcast/BroadcastService.js
+++ b/src/backend/src/modules/broadcast/BroadcastService.js
@@ -16,7 +16,6 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-const { AdvancedBase } = require("@heyputer/putility");
 const BaseService = require("../../services/BaseService");
 const { CLink } = require("./connection/CLink");
 const { SLink } = require("./connection/SLink");
diff --git a/src/backend/src/modules/perfmon/TelemetryService.js b/src/backend/src/modules/perfmon/TelemetryService.js
index 6ba040ad..4a099de5 100644
--- a/src/backend/src/modules/perfmon/TelemetryService.js
+++ b/src/backend/src/modules/perfmon/TelemetryService.js
@@ -25,7 +25,6 @@ const { Resource } = require("@opentelemetry/resources");
 const { SemanticResourceAttributes } = require("@opentelemetry/semantic-conventions");
 const { NodeTracerProvider } = require("@opentelemetry/sdk-trace-node");
 const { ConsoleSpanExporter, BatchSpanProcessor } = require("@opentelemetry/sdk-trace-base");
-const { JaegerExporter } = require('@opentelemetry/exporter-jaeger');
 const config = require('../../config');
 const { OTLPTraceExporter } = require('@opentelemetry/exporter-trace-otlp-grpc');
 
diff --git a/src/backend/src/modules/puterai/ClaudeService.js b/src/backend/src/modules/puterai/ClaudeService.js
index a47c5177..9069ecdd 100644
--- a/src/backend/src/modules/puterai/ClaudeService.js
+++ b/src/backend/src/modules/puterai/ClaudeService.js
@@ -4,7 +4,6 @@ const BaseService = require("../../services/BaseService");
 const { whatis } = require("../../util/langutil");
 const { PassThrough } = require("stream");
 const { TypedValue } = require("../../services/drivers/meta/Runtime");
-const APIError = require("../../api/APIError");
 const { TeePromise } = require('@heyputer/putility').libs.promise;
 
 const PUTER_PROMPT = `
diff --git a/src/backend/src/modules/puterai/OpenAICompletionService.js b/src/backend/src/modules/puterai/OpenAICompletionService.js
index 1bfed00e..5ad5a79c 100644
--- a/src/backend/src/modules/puterai/OpenAICompletionService.js
+++ b/src/backend/src/modules/puterai/OpenAICompletionService.js
@@ -1,6 +1,5 @@
 // METADATA // {"ai-commented":{"service":"claude"}}
 const { PassThrough } = require('stream');
-const APIError = require('../../api/APIError');
 const BaseService = require('../../services/BaseService');
 const { TypedValue } = require('../../services/drivers/meta/Runtime');
 const { Context } = require('../../util/context');
diff --git a/src/backend/src/modules/puterfs/DatabaseFSEntryService.js b/src/backend/src/modules/puterfs/DatabaseFSEntryService.js
index 21f65417..112ff707 100644
--- a/src/backend/src/modules/puterfs/DatabaseFSEntryService.js
+++ b/src/backend/src/modules/puterfs/DatabaseFSEntryService.js
@@ -16,7 +16,6 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-const { AdvancedBase } = require("@heyputer/putility");
 const { id2path } = require("../../helpers");
 
 const { PuterPath } = require("../../filesystem/lib/PuterPath");
diff --git a/src/backend/src/services/DevTODService.js b/src/backend/src/services/DevTODService.js
index 7d34bcca..15a306ac 100644
--- a/src/backend/src/services/DevTODService.js
+++ b/src/backend/src/services/DevTODService.js
@@ -20,15 +20,6 @@
 const { surrounding_box } = require("../fun/dev-console-ui-utils");
 const BaseService = require("./BaseService");
 
-const SOURCE_CODE_TIPS = `
-    Most services are registered in CoreModule.js
-    Boot sequence events are different from service events
-    ExpectationService exists to ensure Puter doesn't miss a step
-    Services are composable; StrategyService is a good example
-    API endpoints should be on a separate origin in production
-    There is some limited query-building in packages/backend/src/om
-`;
-
 const tips = (
     // CLI tips
     `
diff --git a/src/backend/src/services/NotificationService.js b/src/backend/src/services/NotificationService.js
index 8101d8d9..99905e63 100644
--- a/src/backend/src/services/NotificationService.js
+++ b/src/backend/src/services/NotificationService.js
@@ -19,7 +19,6 @@
  */
 const APIError = require("../api/APIError");
 const auth2 = require("../middleware/auth2");
-const { Context } = require("../util/context");
 const { Endpoint } = require("../util/expressutil");
 const { TeePromise } = require('@heyputer/putility').libs.promise;
 const BaseService = require("./BaseService");
diff --git a/src/backend/src/services/PuterSiteService.js b/src/backend/src/services/PuterSiteService.js
index ecca64b3..b28335aa 100644
--- a/src/backend/src/services/PuterSiteService.js
+++ b/src/backend/src/services/PuterSiteService.js
@@ -18,7 +18,6 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 const { NodeInternalIDSelector, NodeUIDSelector } = require("../filesystem/node/selectors");
-const { Context } = require("../util/context");
 const { SiteActorType } = require("./auth/Actor");
 const { PermissionUtil, PermissionRewriter, PermissionImplicator } = require("./auth/PermissionService");
 const BaseService = require("./BaseService");
diff --git a/src/backend/src/services/ShareService.js b/src/backend/src/services/ShareService.js
index d513feb1..11ba8a23 100644
--- a/src/backend/src/services/ShareService.js
+++ b/src/backend/src/services/ShareService.js
@@ -21,7 +21,6 @@ const APIError = require("../api/APIError");
 const { get_user } = require("../helpers");
 const configurable_auth = require("../middleware/configurable_auth");
 const featureflag = require("../middleware/featureflag.js");
-const { Context } = require("../util/context");
 const { Endpoint } = require("../util/expressutil");
 const { whatis } = require("../util/langutil");
 const { Actor, UserActorType } = require("./auth/Actor");
diff --git a/src/backend/src/services/SystemValidationService.js b/src/backend/src/services/SystemValidationService.js
index 2c8825d5..76916ab0 100644
--- a/src/backend/src/services/SystemValidationService.js
+++ b/src/backend/src/services/SystemValidationService.js
@@ -32,15 +32,6 @@ const BaseService = require("./BaseService");
 * @extends BaseService
 */
 class SystemValidationService extends BaseService {
-    /**
-     * Marks the server is being in an invalid state.
-     *
-     * This is a very serious error. The server will do whatever it can to get
-     * our attention, and then it will shut down after 25 minutes.
-     *
-     * @param {*} message - why mark_invalid was called
-     * @param {*} source - the error that caused the invalid state, if any
-     */
     /**
     * Marks the server as being in an invalid state.
     *
diff --git a/src/backend/src/services/auth/PermissionService.js b/src/backend/src/services/auth/PermissionService.js
index 487101bd..d9816359 100644
--- a/src/backend/src/services/auth/PermissionService.js
+++ b/src/backend/src/services/auth/PermissionService.js
@@ -17,23 +17,11 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-const {
-    implicit_user_app_permissions,
-    default_implicit_user_app_permissions
-} = require("../../data/hardcoded-permissions");
 
 const { get_user, get_app } = require("../../helpers");
-const { AssignableMethodsFeature } = require("../../traits/AssignableMethodsFeature");
-const { remove_paths_through_user } = require("../../unstructured/permission-scan-lib");
-const { Context } = require("../../util/context");
-const { get_a_letter, cylog } = require("../../util/debugutil");
 const BaseService = require("../BaseService");
 const { DB_WRITE } = require("../database/consts");
-const { UserActorType, Actor, AppUnderUserActorType, AccessTokenActorType, SiteActorType } = require("./Actor");
-
-const implicit_user_permissions = {
-    // 'driver': {},
-};
+const { UserActorType, Actor, AppUnderUserActorType } = require("./Actor");
 
 
 /**
diff --git a/src/backend/src/services/database/BaseDatabaseAccessService.js b/src/backend/src/services/database/BaseDatabaseAccessService.js
index 8ed55105..589d3db7 100644
--- a/src/backend/src/services/database/BaseDatabaseAccessService.js
+++ b/src/backend/src/services/database/BaseDatabaseAccessService.js
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-const { AdvancedBase } = require("../../../../putility");
 const BaseService = require("../BaseService");
 const { DB_WRITE, DB_READ } = require("./consts");
 
diff --git a/src/backend/src/services/sla/RateLimitService.js b/src/backend/src/services/sla/RateLimitService.js
index 9f5b1860..814e96ab 100644
--- a/src/backend/src/services/sla/RateLimitService.js
+++ b/src/backend/src/services/sla/RateLimitService.js
@@ -17,7 +17,6 @@
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-const { AdvancedBase } = require("@heyputer/putility");
 const APIError = require("../../api/APIError");
 const { Context } = require("../../util/context");
 const BaseService = require("../BaseService");
diff --git a/src/backend/src/services/thumbnails/HTTPThumbnailService.js b/src/backend/src/services/thumbnails/HTTPThumbnailService.js
index 5d37bd67..0591f641 100644
--- a/src/backend/src/services/thumbnails/HTTPThumbnailService.js
+++ b/src/backend/src/services/thumbnails/HTTPThumbnailService.js
@@ -23,7 +23,6 @@
 const axios = require('axios');
 
 const { TeePromise } = require('@heyputer/putility').libs.promise;
-const { AdvancedBase } = require('@heyputer/putility');
 const FormData = require("form-data");
 const { stream_to_the_void, buffer_to_stream } = require('../../util/streamutil');
 const BaseService = require('../BaseService');
diff --git a/src/backend/src/structured/sequence/scan-permission.js b/src/backend/src/structured/sequence/scan-permission.js
index dedf7ab1..0f8e0bfb 100644
--- a/src/backend/src/structured/sequence/scan-permission.js
+++ b/src/backend/src/structured/sequence/scan-permission.js
@@ -18,8 +18,7 @@
  */
 const { permission } = require("process");
 const { Sequence } = require("../../codex/Sequence");
-const { get_user } = require("../../helpers");
-const { Actor, UserActorType } = require("../../services/auth/Actor");
+const { UserActorType } = require("../../services/auth/Actor");
 const { PERMISSION_SCANNERS } = require("../../unstructured/permission-scanners");
 
 module.exports = new Sequence([