diff --git a/invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/index.ts b/invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/index.ts
index 223063b6a9..0fd2f1b79c 100644
--- a/invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/index.ts
+++ b/invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/index.ts
@@ -45,7 +45,6 @@ import { addInvocationStartedEventListener } from 'app/store/middleware/listener
 import { addModelInstallEventListener } from 'app/store/middleware/listenerMiddleware/listeners/socketio/socketModelInstall';
 import { addModelLoadEventListener } from 'app/store/middleware/listenerMiddleware/listeners/socketio/socketModelLoad';
 import { addSocketQueueItemStatusChangedEventListener } from 'app/store/middleware/listenerMiddleware/listeners/socketio/socketQueueItemStatusChanged';
-import { addSessionEventListeners } from 'app/store/middleware/listenerMiddleware/listeners/socketio/socketSessionEvents';
 import { addStagingAreaImageSavedListener } from 'app/store/middleware/listenerMiddleware/listeners/stagingAreaImageSaved';
 import { addUpdateAllNodesRequestedListener } from 'app/store/middleware/listenerMiddleware/listeners/updateAllNodesRequested';
 import { addUpscaleRequestedListener } from 'app/store/middleware/listenerMiddleware/listeners/upscaleRequested';
@@ -99,7 +98,6 @@ addCommitStagingAreaImageListener(startAppListening);
 
 // Socket.IO
 addGeneratorProgressEventListener(startAppListening);
-addSessionEventListeners(startAppListening);
 addInvocationCompleteEventListener(startAppListening);
 addInvocationErrorEventListener(startAppListening);
 addInvocationStartedEventListener(startAppListening);
diff --git a/invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/listeners/socketio/socketSessionEvents.ts b/invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/listeners/socketio/socketSessionEvents.ts
deleted file mode 100644
index e915ad3873..0000000000
--- a/invokeai/frontend/web/src/app/store/middleware/listenerMiddleware/listeners/socketio/socketSessionEvents.ts
+++ /dev/null
@@ -1,26 +0,0 @@
-import { logger } from 'app/logging/logger';
-import type { AppStartListening } from 'app/store/middleware/listenerMiddleware';
-import { socketSessionCanceled, socketSessionComplete, socketSessionStarted } from 'services/events/actions';
-
-const log = logger('socketio');
-
-export const addSessionEventListeners = (startAppListening: AppStartListening) => {
-  startAppListening({
-    actionCreator: socketSessionStarted,
-    effect: (action) => {
-      log.debug(action.payload, 'Session started');
-    },
-  });
-  startAppListening({
-    actionCreator: socketSessionComplete,
-    effect: (action) => {
-      log.debug(action.payload, 'Session complete');
-    },
-  });
-  startAppListening({
-    actionCreator: socketSessionCanceled,
-    effect: (action) => {
-      log.debug(action.payload, 'Session canceled');
-    },
-  });
-};
diff --git a/invokeai/frontend/web/src/features/system/store/systemSlice.ts b/invokeai/frontend/web/src/features/system/store/systemSlice.ts
index dfda97d6cb..488410d5f3 100644
--- a/invokeai/frontend/web/src/features/system/store/systemSlice.ts
+++ b/invokeai/frontend/web/src/features/system/store/systemSlice.ts
@@ -11,7 +11,6 @@ import {
   socketModelLoadComplete,
   socketModelLoadStarted,
   socketQueueItemStatusChanged,
-  socketSessionComplete,
 } from 'services/events/actions';
 
 import type { Language, SystemState } from './types';
@@ -125,14 +124,6 @@ export const systemSlice = createSlice({
       state.status = 'CONNECTED';
     });
 
-    /**
-     * Graph Execution State Complete
-     */
-    builder.addCase(socketSessionComplete, (state) => {
-      state.denoiseProgress = null;
-      state.status = 'CONNECTED';
-    });
-
     builder.addCase(socketModelLoadStarted, (state) => {
       state.status = 'LOADING_MODEL';
     });
diff --git a/invokeai/frontend/web/src/features/toast/ErrorToastDescription.tsx b/invokeai/frontend/web/src/features/toast/ErrorToastDescription.tsx
index b9729c1510..7b23e5534b 100644
--- a/invokeai/frontend/web/src/features/toast/ErrorToastDescription.tsx
+++ b/invokeai/frontend/web/src/features/toast/ErrorToastDescription.tsx
@@ -1,6 +1,5 @@
 import { Flex, IconButton, Text } from '@invoke-ai/ui-library';
 import { t } from 'i18next';
-import { upperFirst } from 'lodash-es';
 import { useMemo } from 'react';
 import { useTranslation } from 'react-i18next';
 import { PiCopyBold } from 'react-icons/pi';
@@ -32,7 +31,7 @@ export default function ErrorToastDescription({ errorType, errorMessage, session
       return t(descriptionTKey);
     }
     if (errorMessage) {
-      return upperFirst(errorMessage);
+      return `${errorType}: ${errorMessage}`;
     }
   }, [errorMessage, errorType, isLocal, t]);
   return (
diff --git a/invokeai/frontend/web/src/services/events/actions.ts b/invokeai/frontend/web/src/services/events/actions.ts
index d6205d684b..158bf055dc 100644
--- a/invokeai/frontend/web/src/services/events/actions.ts
+++ b/invokeai/frontend/web/src/services/events/actions.ts
@@ -21,9 +21,6 @@ import type {
   ModelLoadCompleteEvent,
   ModelLoadStartedEvent,
   QueueItemStatusChangedEvent,
-  SessionCanceledEvent,
-  SessionCompleteEvent,
-  SessionStartedEvent,
 } from 'services/events/types';
 
 // Create actions for each socket
@@ -45,18 +42,6 @@ export const socketInvocationError = createAction<{
   data: InvocationErrorEvent;
 }>('socket/socketInvocationError');
 
-export const socketSessionStarted = createAction<{
-  data: SessionStartedEvent;
-}>('socket/socketSessionStarted');
-
-export const socketSessionComplete = createAction<{
-  data: SessionCompleteEvent;
-}>('socket/socketGraphExecutionStateComplete');
-
-export const socketSessionCanceled = createAction<{
-  data: SessionCanceledEvent;
-}>('socket/socketSessionCanceled');
-
 export const socketGeneratorProgress = createAction<{
   data: InvocationDenoiseProgressEvent;
 }>('socket/socketGeneratorProgress');
diff --git a/invokeai/frontend/web/src/services/events/types.ts b/invokeai/frontend/web/src/services/events/types.ts
index 57ae3f2c54..b7c62c5245 100644
--- a/invokeai/frontend/web/src/services/events/types.ts
+++ b/invokeai/frontend/web/src/services/events/types.ts
@@ -26,10 +26,6 @@ export type DownloadCompleteEvent = S['DownloadCompleteEvent'];
 export type DownloadCancelledEvent = S['DownloadCancelledEvent'];
 export type DownloadErrorEvent = S['DownloadErrorEvent'];
 
-export type SessionStartedEvent = S['SessionStartedEvent'];
-export type SessionCompleteEvent = S['SessionCompleteEvent'];
-export type SessionCanceledEvent = S['SessionCanceledEvent'];
-
 export type QueueItemStatusChangedEvent = S['QueueItemStatusChangedEvent'];
 
 export type BulkDownloadStartedEvent = S['BulkDownloadStartedEvent'];
@@ -50,9 +46,6 @@ export type ServerToClientEvents = {
   invocation_complete: (payload: InvocationCompleteEvent) => void;
   invocation_error: (payload: InvocationErrorEvent) => void;
   invocation_started: (payload: InvocationStartedEvent) => void;
-  session_started: (payload: SessionStartedEvent) => void;
-  session_complete: (payload: SessionCompleteEvent) => void;
-  session_canceled: (payload: SessionCanceledEvent) => void;
   download_started: (payload: DownloadStartedEvent) => void;
   download_progress: (payload: DownloadProgressEvent) => void;
   download_complete: (payload: DownloadCompleteEvent) => void;
diff --git a/invokeai/frontend/web/src/services/events/util/setEventListeners.ts b/invokeai/frontend/web/src/services/events/util/setEventListeners.ts
index 1fdee46e3e..40dafe9e9d 100644
--- a/invokeai/frontend/web/src/services/events/util/setEventListeners.ts
+++ b/invokeai/frontend/web/src/services/events/util/setEventListeners.ts
@@ -27,9 +27,6 @@ import {
   socketModelLoadComplete,
   socketModelLoadStarted,
   socketQueueItemStatusChanged,
-  socketSessionCanceled,
-  socketSessionComplete,
-  socketSessionStarted,
 } from 'services/events/actions';
 import type { ClientToServerEvents, ServerToClientEvents } from 'services/events/types';
 import type { Socket } from 'socket.io-client';
@@ -88,18 +85,6 @@ export const setEventListeners = (arg: SetEventListenersArg) => {
     dispatch(socketInvocationComplete({ data }));
   });
 
-  socket.on('session_started', (data) => {
-    dispatch(socketSessionStarted({ data }));
-  });
-
-  socket.on('session_complete', (data) => {
-    dispatch(socketSessionComplete({ data }));
-  });
-
-  socket.on('session_canceled', (data) => {
-    dispatch(socketSessionCanceled({ data }));
-  });
-
   socket.on('model_load_started', (data) => {
     dispatch(socketModelLoadStarted({ data }));
   });