diff --git a/front/src/app/components/forms/convention/ConventionFeedbackNotification.tsx b/front/src/app/components/forms/convention/ConventionFeedbackNotification.tsx
index 64fd25fe77..a8fc999200 100644
--- a/front/src/app/components/forms/convention/ConventionFeedbackNotification.tsx
+++ b/front/src/app/components/forms/convention/ConventionFeedbackNotification.tsx
@@ -45,10 +45,6 @@ export const createConventionFeedbackMessageByKind = (
     title: "Succès",
     message: "Vous avez renvoyé la demande pour modification.",
   },
-  signedSuccessfully: {
-    title: "Succès",
-    message: "Votre accord a été enregistré.",
-  },
   rejected: {
     title: "Succès",
     message:
diff --git a/front/src/app/pages/convention/ConventionSignPage.tsx b/front/src/app/pages/convention/ConventionSignPage.tsx
index 5b8fb27aab..b43ed54268 100644
--- a/front/src/app/pages/convention/ConventionSignPage.tsx
+++ b/front/src/app/pages/convention/ConventionSignPage.tsx
@@ -2,12 +2,7 @@ import { fr } from "@codegouvfr/react-dsfr";
 import { Alert } from "@codegouvfr/react-dsfr/Alert";
 import { Badge } from "@codegouvfr/react-dsfr/Badge";
 import React, { useEffect } from "react";
-import {
-  ConventionSummary,
-  Loader,
-  MainWrapper,
-  PageHeader,
-} from "react-design-system";
+import { Loader, MainWrapper, PageHeader } from "react-design-system";
 import { useDispatch } from "react-redux";
 import {
   ConventionJwtPayload,
@@ -16,10 +11,8 @@ import {
   decodeMagicLinkJwtWithoutSignatureCheck,
   errors,
   isSignatory,
-  toDisplayedDate,
 } from "shared";
 import { ConventionSignForm } from "src/app/components/forms/convention/ConventionSignForm";
-import { makeConventionSections } from "src/app/contents/convention/conventionSummary.helpers";
 import { labelAndSeverityByStatus } from "src/app/contents/convention/labelAndSeverityByStatus";
 import { P, match } from "ts-pattern";
 import { useStyles } from "tss-react/dsfr";
@@ -48,7 +41,7 @@ const useClearConventionOnUnmount = () => {
 
 export const ConventionSignPage = ({ route }: ConventionSignPageProperties) => {
   useClearConventionOnUnmount();
-  if (!route.params.jwt) throw errors.routeParams.missingJwt();
+  if (!route.params?.jwt) throw errors.routeParams.missingJwt();
   if (
     !isSignatory(
       decodeMagicLinkJwtWithoutSignatureCheck<ConventionJwtPayload>(
@@ -116,30 +109,6 @@ const ConventionSignPageContent = ({
             />
           ),
         )
-        .with({ submitFeedback: { kind: "signedSuccessfully" } }, () => (
-          <MainWrapper layout="default">
-            <Alert
-              severity="success"
-              {...t.conventionAlreadySigned}
-              title="Convention signée"
-              description={`Votre convention (${conventionId}) a bien été signée, merci. Quand toutes les parties l'auront signée et qu'elle aura été validée par ${
-                convention?.agencyRefersTo
-                  ? convention?.agencyRefersTo.name
-                  : convention?.agencyName
-              }, vous la recevrez par email.`}
-              className={fr.cx("fr-mb-5v")}
-            />
-            {convention && (
-              <ConventionSummary
-                submittedAt={toDisplayedDate({
-                  date: new Date(convention.dateSubmission),
-                })}
-                summary={makeConventionSections(convention, cx)}
-                conventionId={convention.id}
-              />
-            )}
-          </MainWrapper>
-        ))
         .with({ hasConvention: false }, () => (
           <Alert
             severity="error"
diff --git a/front/src/core-logic/domain/convention/convention.epics.ts b/front/src/core-logic/domain/convention/convention.epics.ts
index b03ce68634..a3670ec4ab 100644
--- a/front/src/core-logic/domain/convention/convention.epics.ts
+++ b/front/src/core-logic/domain/convention/convention.epics.ts
@@ -54,7 +54,11 @@ const getConventionEpic: ConventionEpic = (
   { conventionGateway },
 ) =>
   action$.pipe(
-    filter(conventionSlice.actions.fetchConventionRequested.match),
+    filter(
+      (action) =>
+        conventionSlice.actions.fetchConventionRequested.match(action) ||
+        conventionSlice.actions.signConventionSucceeded.match(action),
+    ),
     switchMap(({ payload }) => conventionGateway.retrieveFromToken$(payload)),
     map(conventionSlice.actions.fetchConventionSucceeded),
     catchEpicError((error: Error) =>
@@ -91,10 +95,13 @@ const signConventionEpic: ConventionEpic = (
 ) =>
   action$.pipe(
     filter(conventionSlice.actions.signConventionRequested.match),
-    switchMap(({ payload: { jwt, conventionId } }) =>
-      conventionGateway.signConvention$(conventionId, jwt),
+    switchMap(({ payload }) =>
+      conventionGateway
+        .signConvention$(payload.conventionId, payload.jwt)
+        .pipe(
+          map(() => conventionSlice.actions.signConventionSucceeded(payload)),
+        ),
     ),
-    map(conventionSlice.actions.signConventionSucceeded),
     catchEpicError((error: Error) =>
       conventionSlice.actions.signConventionFailed(error.message),
     ),
diff --git a/front/src/core-logic/domain/convention/convention.slice.ts b/front/src/core-logic/domain/convention/convention.slice.ts
index 245f94069e..a14cd102e0 100644
--- a/front/src/core-logic/domain/convention/convention.slice.ts
+++ b/front/src/core-logic/domain/convention/convention.slice.ts
@@ -28,7 +28,6 @@ type ConventionValidationFeedbackKind =
 
 type ConventionSignatoryFeedbackKind =
   | "justSubmitted"
-  | "signedSuccessfully"
   | "modificationsAskedFromSignatory";
 
 export type ConventionFeedbackKind =
@@ -175,9 +174,14 @@ export const conventionSlice = createSlice({
     ) => {
       state.isLoading = true;
     },
-    signConventionSucceeded: (state) => {
+    signConventionSucceeded: (
+      state,
+      _action: PayloadAction<{
+        conventionId: ConventionId;
+        jwt: ConventionJwt | InclusionConnectJwt;
+      }>,
+    ) => {
       state.isLoading = false;
-      state.feedback = { kind: "signedSuccessfully" };
     },
     signConventionFailed: setFeedbackAsErrored,
 
diff --git a/front/src/core-logic/domain/convention/convention.test.ts b/front/src/core-logic/domain/convention/convention.test.ts
index b920b4d727..5d68352686 100644
--- a/front/src/core-logic/domain/convention/convention.test.ts
+++ b/front/src/core-logic/domain/convention/convention.test.ts
@@ -722,8 +722,20 @@ describe("Convention slice", () => {
   describe("Convention signature", () => {
     it("signs the conventions with role from jwt", () => {
       const jwt = "some-correct-jwt";
-      const convention =
-        new ConventionDtoBuilder().build() as ConventionReadDto;
+      const agencyFields = {
+        agencyCounsellorEmails: [],
+        agencyDepartment: "75",
+        agencyKind: "mission-locale" as const,
+        agencyName: "Agence Mission Locale",
+        agencyRefersTo: undefined,
+        agencySiret: "11110000111155",
+        agencyValidatorEmails: [],
+      };
+      const convention: ConventionReadDto = {
+        ...agencyFields,
+        ...new ConventionDtoBuilder().notSigned().build(),
+      };
+
       ({ store, dependencies } = createTestStore({
         convention: {
           ...initialConventionState,
@@ -736,15 +748,29 @@ describe("Convention slice", () => {
           jwt,
         }),
       );
+
       expectConventionState({
         isLoading: true,
       });
       feedGatewayWithSignSuccess();
       expectConventionState({
         isLoading: false,
-        feedback: { kind: "signedSuccessfully" },
         convention,
       });
+
+      const signedConvention: ConventionReadDto = {
+        ...agencyFields,
+        ...new ConventionDtoBuilder(convention)
+          .signedByEstablishmentRepresentative(new Date().toISOString())
+          .build(),
+      };
+
+      feedGatewayWithConvention(signedConvention);
+
+      expectConventionState({
+        isLoading: false,
+        convention: signedConvention,
+      });
     });
 
     it("gets error message when signature fails", () => {
diff --git a/shared/src/convention/convention.ts b/shared/src/convention/convention.ts
index cbc1fbf63a..4b3c767fa2 100644
--- a/shared/src/convention/convention.ts
+++ b/shared/src/convention/convention.ts
@@ -1,6 +1,6 @@
 import { keys, mapObjIndexed, values } from "ramda";
 import { Role, SignatoryRole, allSignatoryRoles } from "../role/role.dto";
-import { DotNestedKeys, ExtractFromExisting } from "../utils";
+import { DotNestedKeys } from "../utils";
 import {
   ConventionDto,
   ConventionRenewed,
@@ -93,12 +93,6 @@ export type ConventionField = DotNestedKeys<ConventionDto>;
 
 export const getConventionFieldName = (name: ConventionField) => name;
 
-type SignatoryField = ExtractFromExisting<keyof ConventionDto, "signatories">;
-
-export const getSignatoryKey = (
-  v: `${SignatoryField}.${keyof ConventionDto["signatories"]}`,
-) => v;
-
 export const isEstablishmentTutorIsEstablishmentRepresentative = (
   convention: Pick<ConventionDto, "signatories" | "establishmentTutor">,
 ): boolean => {
@@ -118,13 +112,6 @@ export const isBeneficiaryMinor = (
   convention: Pick<ConventionDto, "signatories">,
 ): boolean => !!convention.signatories.beneficiaryRepresentative;
 
-export const signatoryKeyFromRole: Record<SignatoryRole, keyof Signatories> = {
-  "beneficiary-current-employer": "beneficiaryCurrentEmployer",
-  "beneficiary-representative": "beneficiaryRepresentative",
-  "establishment-representative": "establishmentRepresentative",
-  beneficiary: "beneficiary",
-};
-
 export const hasBeneficiaryCurrentEmployer = (
   convention: Pick<ConventionDto, "signatories">,
 ): boolean => !!convention.signatories.beneficiaryCurrentEmployer;