diff --git a/api/src/core/usecases/readWriteSillData/thunks.ts b/api/src/core/usecases/readWriteSillData/thunks.ts
index 119f0add..9b648841 100644
--- a/api/src/core/usecases/readWriteSillData/thunks.ts
+++ b/api/src/core/usecases/readWriteSillData/thunks.ts
@@ -494,14 +494,7 @@ export const thunks = {
 
                     assert(index !== -1, "Can't update instance, it doesn't exist");
 
-                    const {
-                        mainSoftwareSillId,
-                        organization,
-                        otherSoftwareWikidataIds,
-                        publicUrl,
-                        targetAudience,
-                        ...rest
-                    } = formData;
+                    const { mainSoftwareSillId, organization, publicUrl, targetAudience, ...rest } = formData;
 
                     assert<Equals<typeof rest, {}>>();
 
diff --git a/api/src/core/usecases/readWriteSillData/types.ts b/api/src/core/usecases/readWriteSillData/types.ts
index a36c3247..a5ca9f91 100644
--- a/api/src/core/usecases/readWriteSillData/types.ts
+++ b/api/src/core/usecases/readWriteSillData/types.ts
@@ -157,5 +157,4 @@ export type InstanceFormData = {
     organization: string;
     targetAudience: string;
     publicUrl: string | undefined;
-    otherSoftwareWikidataIds: string[];
 };
diff --git a/api/src/rpc/router.ts b/api/src/rpc/router.ts
index d9c2dab1..4c90e632 100644
--- a/api/src/rpc/router.ts
+++ b/api/src/rpc/router.ts
@@ -604,8 +604,7 @@ const zInstanceFormData = (() => {
         "mainSoftwareSillId": z.number(),
         "organization": z.string(),
         "targetAudience": z.string(),
-        "publicUrl": z.string().optional(),
-        "otherSoftwareWikidataIds": z.array(z.string())
+        "publicUrl": z.string().optional()
     });
 
     {
diff --git a/api/src/tools/test.helpers.ts b/api/src/tools/test.helpers.ts
index 2df9aec2..109639e6 100644
--- a/api/src/tools/test.helpers.ts
+++ b/api/src/tools/test.helpers.ts
@@ -60,6 +60,5 @@ export const createInstanceFormData = makeObjectFactory<InstanceFormData>({
     organization: "Default organization",
     targetAudience: "Default audience",
     mainSoftwareSillId: 1,
-    otherSoftwareWikidataIds: [],
     publicUrl: "https://example.com"
 });
diff --git a/web/public/index.html b/web/public/index.html
index 0f46e230..27a87e44 100644
--- a/web/public/index.html
+++ b/web/public/index.html
@@ -16,7 +16,7 @@
 	<link rel="shortcut icon" href="%PUBLIC_URL%/dsfr/favicon/favicon.ico?v=1.12.1" type="image/x-icon" />
 	<link rel="manifest" href="%PUBLIC_URL%/dsfr/favicon/manifest.webmanifest?v=1.12.1" crossorigin="use-credentials" />
 
-	<link rel="stylesheet" href="%PUBLIC_URL%/dsfr/utility/icons/icons.min.css?hash=cfdb5c1c" />
+	<link rel="stylesheet" href="%PUBLIC_URL%/dsfr/utility/icons/icons.min.css?hash=3375e412" />
 	<link rel="stylesheet" href="%PUBLIC_URL%/dsfr/dsfr.min.css?v=1.12.1" />
 
 	<%
diff --git a/web/src/core/adapter/sillApiMock.ts b/web/src/core/adapter/sillApiMock.ts
index 40a7a73d..19709f71 100644
--- a/web/src/core/adapter/sillApiMock.ts
+++ b/web/src/core/adapter/sillApiMock.ts
@@ -37,7 +37,6 @@ export const sillApi: SillApi = {
                     "id": 0,
                     "mainSoftwareSillId": 9,
                     "organization": "CNRS",
-                    "otherWikidataSoftwares": [],
                     "publicUrl": "https://videos.ahp-numerique.fr/",
                     "targetAudience": `Plateforme vidéos des Archives Henri-Poincaré (laboratoire du CNRS, de l'Université de Lorraine et de 
                 l'Université de Strasbourg). Vous y trouverez des vidéos de philosophie et d'histoire des sciences et des techniques.`
diff --git a/web/src/core/usecases/instanceForm/selectors.ts b/web/src/core/usecases/instanceForm/selectors.ts
index 0647e991..3f628072 100644
--- a/web/src/core/usecases/instanceForm/selectors.ts
+++ b/web/src/core/usecases/instanceForm/selectors.ts
@@ -23,7 +23,6 @@ const initializationData = createSelector(
         | undefined
         | {
               mainSoftwareSillId: number | undefined;
-              otherSoftwares: WikidataEntry[];
               organization: string | undefined;
               publicUrl: string | undefined;
               targetAudience: string | undefined;
@@ -37,7 +36,6 @@ const initializationData = createSelector(
         if (preFillData === undefined) {
             return {
                 "mainSoftwareSillId": undefined,
-                "otherSoftwares": [],
                 "organization": undefined,
                 "publicUrl": undefined,
                 "targetAudience": undefined
@@ -48,7 +46,6 @@ const initializationData = createSelector(
             case "update":
                 return {
                     "mainSoftwareSillId": preFillData.mainSoftwareSillId,
-                    "otherSoftwares": preFillData.otherWikidataSoftwares,
                     "organization": preFillData.organization,
                     "publicUrl": preFillData.publicUrl,
                     "targetAudience": preFillData.targetAudience
@@ -56,7 +53,6 @@ const initializationData = createSelector(
             case "navigated from software form":
                 return {
                     "mainSoftwareSillId": preFillData.justRegisteredSoftwareSillId,
-                    "otherSoftwares": [],
                     "organization": undefined,
                     "publicUrl": undefined,
                     "targetAudience": undefined
diff --git a/web/src/core/usecases/instanceForm/state.ts b/web/src/core/usecases/instanceForm/state.ts
index b3e9a064..54470f63 100644
--- a/web/src/core/usecases/instanceForm/state.ts
+++ b/web/src/core/usecases/instanceForm/state.ts
@@ -27,7 +27,6 @@ namespace State {
                   type: "update";
                   instanceId: number;
                   mainSoftwareSillId: number;
-                  otherWikidataSoftwares: WikidataEntry[];
                   organization: string;
                   publicUrl: string | undefined;
                   targetAudience: string;
@@ -41,7 +40,6 @@ namespace State {
         step1Data:
             | {
                   mainSoftwareSillId: number;
-                  otherWikidataSoftwares: WikidataEntry[];
               }
             | undefined;
         isSubmitting: boolean;
diff --git a/web/src/core/usecases/instanceForm/thunks.ts b/web/src/core/usecases/instanceForm/thunks.ts
index f72b3bb8..906046f1 100644
--- a/web/src/core/usecases/instanceForm/thunks.ts
+++ b/web/src/core/usecases/instanceForm/thunks.ts
@@ -59,7 +59,6 @@ export const thunks = {
                                 "type": "update",
                                 "instanceId": instance.id,
                                 "mainSoftwareSillId": instance.mainSoftwareSillId,
-                                "otherWikidataSoftwares": instance.otherWikidataSoftwares,
                                 "organization": instance.organization,
                                 "publicUrl": instance.publicUrl,
                                 "targetAudience": instance.targetAudience
@@ -115,21 +114,15 @@ export const thunks = {
             dispatch(actions.cleared());
         },
     "completeStep1":
-        (props: {
-            mainSoftwareSillId: number;
-            otherWikidataSoftwares: WikidataEntry[];
-        }) =>
+        (props: { mainSoftwareSillId: number }) =>
         (...args) => {
-            const { mainSoftwareSillId, otherWikidataSoftwares } = props;
+            const { mainSoftwareSillId } = props;
 
             const [dispatch] = args;
 
             dispatch(
                 actions.step1Completed({
-                    "step1Data": {
-                        mainSoftwareSillId,
-                        otherWikidataSoftwares
-                    }
+                    "step1Data": { mainSoftwareSillId }
                 })
             );
         },
@@ -155,9 +148,6 @@ export const thunks = {
             const formData: ApiTypes.InstanceFormData = {
                 "mainSoftwareSillId": step1Data.mainSoftwareSillId,
                 organization,
-                "otherSoftwareWikidataIds": step1Data.otherWikidataSoftwares.map(
-                    ({ externalId }) => externalId
-                ),
                 publicUrl,
                 targetAudience
             };
diff --git a/web/src/ui/pages/instanceForm/InstanceForm.tsx b/web/src/ui/pages/instanceForm/InstanceForm.tsx
index 8c8ff7f3..fa319684 100644
--- a/web/src/ui/pages/instanceForm/InstanceForm.tsx
+++ b/web/src/ui/pages/instanceForm/InstanceForm.tsx
@@ -147,16 +147,14 @@ export default function InstanceForm(props: Props) {
                 <InstanceFormStep1
                     className={cx(classes.step, classes.step1)}
                     initialFormData={{
-                        "mainSoftwareSillId": initializationData.mainSoftwareSillId,
-                        "otherWikidataSoftwares": initializationData.otherSoftwares
+                        "mainSoftwareSillId": initializationData.mainSoftwareSillId
                     }}
                     getLibreSoftwareWikidataOptions={queryString =>
                         getExternalSoftwareOptions({ queryString, "language": lang })
                     }
-                    onSubmit={({ mainSoftwareSillId, otherWikidataSoftwares }) =>
+                    onSubmit={({ mainSoftwareSillId }) =>
                         instanceForm.completeStep1({
-                            mainSoftwareSillId,
-                            otherWikidataSoftwares
+                            mainSoftwareSillId
                         })
                     }
                     allSillSoftwares={allSillSoftwares}
diff --git a/web/src/ui/pages/instanceForm/Step1.tsx b/web/src/ui/pages/instanceForm/Step1.tsx
index c943e60a..36982e96 100644
--- a/web/src/ui/pages/instanceForm/Step1.tsx
+++ b/web/src/ui/pages/instanceForm/Step1.tsx
@@ -14,12 +14,8 @@ export type Step1Props = {
     className?: string;
     initialFormData: {
         mainSoftwareSillId: number | undefined;
-        otherWikidataSoftwares: WikidataEntry[];
     };
-    onSubmit: (formData: {
-        mainSoftwareSillId: number;
-        otherWikidataSoftwares: WikidataEntry[];
-    }) => void;
+    onSubmit: (formData: { mainSoftwareSillId: number }) => void;
     allSillSoftwares: {
         softwareName: string;
         softwareSillId: number;
@@ -77,8 +73,7 @@ export function InstanceFormStep1(props: Step1Props) {
                 assert(mainSoftware !== undefined);
 
                 return mainSoftware;
-            })(),
-            "otherWikidataSoftwares": initialFormData.otherWikidataSoftwares
+            })()
         }
     });
 
@@ -101,8 +96,7 @@ export function InstanceFormStep1(props: Step1Props) {
             className={className}
             onSubmit={handleSubmit(data =>
                 onSubmit({
-                    "mainSoftwareSillId": data.mainSoftware.softwareSillId,
-                    "otherWikidataSoftwares": data.otherWikidataSoftwares
+                    "mainSoftwareSillId": data.mainSoftware.softwareSillId
                 })
             )}
         >