diff --git a/src/components/Admin/resources/cms/post/PostCreate.tsx b/src/components/Admin/resources/cms/post/PostCreate.tsx
index 033a6336..5571897b 100644
--- a/src/components/Admin/resources/cms/post/PostCreate.tsx
+++ b/src/components/Admin/resources/cms/post/PostCreate.tsx
@@ -1,14 +1,5 @@
 import {FC} from 'react'
-import {
-  ArrayInput,
-  DateTimeInput,
-  FormTab,
-  NumberInput,
-  required,
-  SimpleFormIterator,
-  TabbedForm,
-  TextInput,
-} from 'react-admin'
+import {ArrayInput, DateTimeInput, FormTab, required, SimpleFormIterator, TabbedForm, TextInput} from 'react-admin'
 
 import {MyCreate} from '@/components/Admin/custom/MyCreate'
 import {SitesCheckboxInput} from '@/components/Admin/custom/SitesCheckboxInput'
@@ -17,7 +8,6 @@ export const PostCreate: FC = () => (
   <MyCreate>
     <TabbedForm>
       <FormTab label="general">
-        <NumberInput source="id" fullWidth disabled />
         <TextInput source="caption" fullWidth validate={required()} />
         <TextInput source="short_text" fullWidth validate={required()} />
         <TextInput source="details" multiline fullWidth />
@@ -29,7 +19,6 @@ export const PostCreate: FC = () => (
       <FormTab label="links">
         <ArrayInput source="links" defaultValue={[]}>
           <SimpleFormIterator>
-            <NumberInput source="id" fullWidth disabled />
             <TextInput source="caption" fullWidth validate={required()} />
             <TextInput source="url" fullWidth validate={required()} />
           </SimpleFormIterator>
diff --git a/src/components/Admin/resources/cms/post/PostEdit.tsx b/src/components/Admin/resources/cms/post/PostEdit.tsx
index 414e938e..b9ad77d0 100644
--- a/src/components/Admin/resources/cms/post/PostEdit.tsx
+++ b/src/components/Admin/resources/cms/post/PostEdit.tsx
@@ -1,14 +1,5 @@
 import {FC} from 'react'
-import {
-  ArrayInput,
-  DateTimeInput,
-  FormTab,
-  NumberInput,
-  required,
-  SimpleFormIterator,
-  TabbedForm,
-  TextInput,
-} from 'react-admin'
+import {ArrayInput, DateTimeInput, FormTab, required, SimpleFormIterator, TabbedForm, TextInput} from 'react-admin'
 
 import {MyEdit} from '@/components/Admin/custom/MyEdit'
 import {SitesCheckboxInput} from '@/components/Admin/custom/SitesCheckboxInput'
@@ -17,7 +8,6 @@ export const PostEdit: FC = () => (
   <MyEdit>
     <TabbedForm>
       <FormTab label="general">
-        <NumberInput source="id" fullWidth disabled />
         <TextInput source="caption" fullWidth validate={required()} />
         <TextInput source="short_text" fullWidth validate={required()} />
         <TextInput source="details" multiline fullWidth />
@@ -29,7 +19,6 @@ export const PostEdit: FC = () => (
       <FormTab label="links">
         <ArrayInput source="links" defaultValue={[]}>
           <SimpleFormIterator>
-            <NumberInput source="id" fullWidth disabled />
             <TextInput source="caption" fullWidth validate={required()} />
             <TextInput source="url" fullWidth validate={required()} />
           </SimpleFormIterator>
diff --git a/src/components/Admin/resources/cms/post/PostList.tsx b/src/components/Admin/resources/cms/post/PostList.tsx
index 6447afb6..909746c5 100644
--- a/src/components/Admin/resources/cms/post/PostList.tsx
+++ b/src/components/Admin/resources/cms/post/PostList.tsx
@@ -7,7 +7,6 @@ import {TruncatedTextField} from '@/components/Admin/custom/TruncatedTextField'
 export const PostList: FC = () => (
   <List>
     <Datagrid rowClick="show">
-      <NumberField source="id" />
       <TextField source="caption" />
       <TruncatedTextField source="short_text" maxTextWidth={50} />
       <TruncatedTextField source="details" maxTextWidth={50} />
diff --git a/src/components/Admin/resources/cms/post/PostShow.tsx b/src/components/Admin/resources/cms/post/PostShow.tsx
index 63148d3d..7a56adf3 100644
--- a/src/components/Admin/resources/cms/post/PostShow.tsx
+++ b/src/components/Admin/resources/cms/post/PostShow.tsx
@@ -1,15 +1,5 @@
 import {FC} from 'react'
-import {
-  ArrayField,
-  Datagrid,
-  DateField,
-  NumberField,
-  Show,
-  SimpleShowLayout,
-  Tab,
-  TabbedShowLayout,
-  TextField,
-} from 'react-admin'
+import {ArrayField, Datagrid, DateField, Show, SimpleShowLayout, Tab, TabbedShowLayout, TextField} from 'react-admin'
 
 import {MyShowActions} from '@/components/Admin/custom/MyShowActions'
 import {SitesArrayField} from '@/components/Admin/custom/SitesArrayField'
@@ -19,7 +9,6 @@ export const PostShow: FC = () => (
     <TabbedShowLayout>
       <Tab label="general">
         <SimpleShowLayout>
-          <NumberField source="id" />
           <TextField source="caption" />
           <TextField source="short_text" />
           <TextField source="details" />
@@ -33,7 +22,6 @@ export const PostShow: FC = () => (
         <SimpleShowLayout>
           <ArrayField source="links">
             <Datagrid>
-              <NumberField source="id" />
               <TextField source="caption" />
               <TextField source="url" />
             </Datagrid>
diff --git a/src/components/Admin/resources/competition/competition/CompetitionEdit.tsx b/src/components/Admin/resources/competition/competition/CompetitionEdit.tsx
index 06e8ef6f..8e5f06ca 100644
--- a/src/components/Admin/resources/competition/competition/CompetitionEdit.tsx
+++ b/src/components/Admin/resources/competition/competition/CompetitionEdit.tsx
@@ -8,7 +8,6 @@ export const CompetitionEdit: FC = () => (
   <MyEdit>
     <TabbedForm>
       <FormTab label="general">
-        <NumberInput source="id" fullWidth disabled />
         <TextInput source="name" fullWidth />
         <NumberInput source="start_year" fullWidth />
         <TextInput source="description" fullWidth />
@@ -20,7 +19,6 @@ export const CompetitionEdit: FC = () => (
       <FormTab label="events">
         <ArrayInput source="event_set" defaultValue={[]}>
           <SimpleFormIterator>
-            <NumberInput source="id" fullWidth disabled />
             {/* unspecifiedpublication_set: UnspecifiedPublication[]
                 registration_links: RegistrationLink[] */}
             <NumberInput source="year" fullWidth />
diff --git a/src/components/Admin/resources/competition/competition/CompetitionList.tsx b/src/components/Admin/resources/competition/competition/CompetitionList.tsx
index 2401ff02..30be4165 100644
--- a/src/components/Admin/resources/competition/competition/CompetitionList.tsx
+++ b/src/components/Admin/resources/competition/competition/CompetitionList.tsx
@@ -7,7 +7,6 @@ import {TruncatedTextField} from '@/components/Admin/custom/TruncatedTextField'
 export const CompetitionList: FC = () => (
   <List>
     <Datagrid rowClick="show">
-      <NumberField source="id" />
       <TextField source="name" />
       <TextField source="slug" />
       <NumberField source="start_year" />
diff --git a/src/components/Admin/resources/competition/competition/CompetitionShow.tsx b/src/components/Admin/resources/competition/competition/CompetitionShow.tsx
index b5122249..42bc394b 100644
--- a/src/components/Admin/resources/competition/competition/CompetitionShow.tsx
+++ b/src/components/Admin/resources/competition/competition/CompetitionShow.tsx
@@ -21,7 +21,6 @@ export const CompetitionShow: FC = () => (
     <TabbedShowLayout>
       <Tab label="general">
         <SimpleShowLayout>
-          <NumberField source="id" />
           <TextField source="name" />
           <TextField source="slug" />
           <NumberField source="start_year" />
@@ -39,7 +38,6 @@ export const CompetitionShow: FC = () => (
         <SimpleShowLayout>
           <ArrayField source="history_events">
             <Datagrid>
-              <NumberField source="id" />
               <NumberField source="year" />
               <TextField source="school_year" />
               <DateField source="start" />
diff --git a/src/components/Admin/resources/competition/series/SeriesEdit.tsx b/src/components/Admin/resources/competition/series/SeriesEdit.tsx
index 9d8b7b5c..ce15a2af 100644
--- a/src/components/Admin/resources/competition/series/SeriesEdit.tsx
+++ b/src/components/Admin/resources/competition/series/SeriesEdit.tsx
@@ -1,5 +1,5 @@
 import {FC} from 'react'
-import {ArrayInput, DateInput, FormTab, NumberInput, SimpleFormIterator, TabbedForm, TextInput} from 'react-admin'
+import {ArrayInput, DateInput, FormTab, SimpleFormIterator, TabbedForm, TextInput} from 'react-admin'
 
 import {MyEdit} from '@/components/Admin/custom/MyEdit'
 
@@ -9,14 +9,12 @@ export const SeriesEdit: FC = () => (
   <MyEdit>
     <TabbedForm>
       <FormTab label="general">
-        <NumberInput source="id" fullWidth />
         <DateInput source="deadline" fullWidth />
         <TextInput source="order" fullWidth />
       </FormTab>
       <FormTab label="problems">
         <ArrayInput source="problems">
           <SimpleFormIterator>
-            <NumberInput source="id" fullWidth />
             <TextInput source="text" fullWidth />
           </SimpleFormIterator>
         </ArrayInput>
diff --git a/src/components/Admin/resources/competition/series/SeriesList.tsx b/src/components/Admin/resources/competition/series/SeriesList.tsx
index ab1f7e53..e51320c5 100644
--- a/src/components/Admin/resources/competition/series/SeriesList.tsx
+++ b/src/components/Admin/resources/competition/series/SeriesList.tsx
@@ -8,12 +8,10 @@ import {TruncatedTextField} from '@/components/Admin/custom/TruncatedTextField'
 export const SeriesList: FC = () => (
   <List>
     <Datagrid rowClick="show">
-      <TextField source="id" />
       <DateField source="deadline" />
       <TextField source="order" />
       <ArrayField source="problems">
         <Datagrid>
-          <TextField source="id" />
           <TruncatedTextField source="text" maxTextWidth={50} />
         </Datagrid>
       </ArrayField>
diff --git a/src/components/Admin/resources/competition/series/SeriesShow.tsx b/src/components/Admin/resources/competition/series/SeriesShow.tsx
index 48ff0081..bfc2fc7f 100644
--- a/src/components/Admin/resources/competition/series/SeriesShow.tsx
+++ b/src/components/Admin/resources/competition/series/SeriesShow.tsx
@@ -20,7 +20,6 @@ export const SeriesShow: FC = () => (
     <TabbedShowLayout>
       <Tab label="general">
         <SimpleShowLayout>
-          <TextField source="id" />
           <DateField source="deadline" />
           <TextField source="order" />
           <NumberField source="semester" />
@@ -32,7 +31,6 @@ export const SeriesShow: FC = () => (
         <SimpleShowLayout>
           <ArrayField source="problems">
             <Datagrid>
-              <TextField source="id" />
               <TruncatedTextField source="text" maxTextWidth={100} expandable />
             </Datagrid>
           </ArrayField>