diff --git a/src/components/Clickable/Clickable.tsx b/src/components/Clickable/Clickable.tsx
index 86503fbf..c7c9d003 100644
--- a/src/components/Clickable/Clickable.tsx
+++ b/src/components/Clickable/Clickable.tsx
@@ -4,12 +4,11 @@ import {ButtonHTMLAttributes, ComponentProps, FC, ReactNode} from 'react'
 
 import styles from './Clickable.module.scss'
 
-interface ButtonProps {
+type ButtonProps = {
   onClick?: () => void
   disabled?: boolean
   children: ReactNode
-  type?: ButtonHTMLAttributes<HTMLButtonElement>['type']
-}
+} & Pick<ButtonHTMLAttributes<HTMLButtonElement>, 'type'>
 
 export const Button: FC<ButtonProps> = ({children, onClick, disabled, type}) => {
   return (
diff --git a/src/components/Dialog/Dialog.tsx b/src/components/Dialog/Dialog.tsx
new file mode 100644
index 00000000..1434ff08
--- /dev/null
+++ b/src/components/Dialog/Dialog.tsx
@@ -0,0 +1,30 @@
+import {Dialog as MuiDialog, DialogActions, DialogContent, DialogContentText, DialogTitle} from '@mui/material'
+import {FC, ReactNode} from 'react'
+
+type DialogProps = {
+  open: boolean
+  close: () => void
+  title?: ReactNode
+  contentText?: ReactNode
+  actions?: ReactNode
+}
+
+// inspired by: https://mui.com/material-ui/react-dialog/#alerts
+export const Dialog: FC<DialogProps> = ({open, close, title, contentText, actions}) => {
+  return (
+    <MuiDialog
+      open={open}
+      onClose={close}
+      aria-labelledby="alert-dialog-title"
+      aria-describedby="alert-dialog-description"
+    >
+      {title && <DialogTitle id="alert-dialog-title">{title}</DialogTitle>}
+      {contentText && (
+        <DialogContent>
+          <DialogContentText id="alert-dialog-description">{contentText}</DialogContentText>
+        </DialogContent>
+      )}
+      {actions && <DialogActions>{actions}</DialogActions>}
+    </MuiDialog>
+  )
+}
diff --git a/src/components/Problems/Discussion.tsx b/src/components/Problems/Discussion.tsx
index f5eacb47..e2857d0ad 100644
--- a/src/components/Problems/Discussion.tsx
+++ b/src/components/Problems/Discussion.tsx
@@ -4,10 +4,12 @@ import clsx from 'clsx'
 import {FC, useState} from 'react'
 
 import {Comment, CommentState} from '@/types/api/competition'
+import {Profile} from '@/types/api/personal'
 import {AuthContainer} from '@/utils/AuthContainer'
 import {useHasPermissions} from '@/utils/useHasPermissions'
 
 import {Button} from '../Clickable/Clickable'
+import {Dialog} from '../Dialog/Dialog'
 import {Loading} from '../Loading/Loading'
 import styles from './Discussion.module.scss'
 import {SideContainer} from './SideContainer'
@@ -23,25 +25,26 @@ export const Discussion: FC<DiscussionProps> = ({problemId, problemNumber, close
   const [commentText, setCommentText] = useState('')
   const [hiddenResponseText, setHiddenResponseText] = useState('')
   const [hiddenResponseDialogId, sethiddenResponseDialogId] = useState(-1)
+  const [deleteDialogId, setDeleteDialogId] = useState<number | undefined>()
 
   const queryKey = ['competition', 'problem', problemId, 'comments']
   const {data: commentsData, isLoading: commentsIsLoading} = useQuery({
     queryKey,
     queryFn: () => axios.get<Comment[]>(`/api/competition/problem/${problemId}/comments`),
   })
-  const comments = commentsData?.data.map((comment) => ({
-    id: comment.id,
-    can_edit: comment.edit_allowed,
-    text: comment.text,
-    state: comment.state,
-    hidden_response: comment.hidden_response,
-    posted_by: comment.posted_by_name,
-  }))
+  const comments = commentsData?.data
 
   const {hasPermissions} = useHasPermissions()
 
   const {isAuthed} = AuthContainer.useContainer()
 
+  const {data} = useQuery({
+    queryKey: ['personal', 'profiles', 'myprofile'],
+    queryFn: () => axios.get<Profile>(`/api/personal/profiles/myprofile`),
+    enabled: isAuthed,
+  })
+  const userId = data?.data.id
+
   const queryClient = useQueryClient()
 
   const invalidateCommentsAndCount = async () => {
@@ -77,7 +80,7 @@ export const Discussion: FC<DiscussionProps> = ({problemId, problemNumber, close
     },
   })
 
-  const {mutate: deleteComment} = useMutation({
+  const {mutate: confirmDeleteComment} = useMutation({
     mutationFn: (id: number) => axios.delete(`/api/competition/comment/${id}`),
     onSuccess: () => {
       invalidateCommentsAndCount()
@@ -91,57 +94,81 @@ export const Discussion: FC<DiscussionProps> = ({problemId, problemNumber, close
     setHiddenResponseText(e.currentTarget.value)
   }
 
+  const close = () => setDeleteDialogId(undefined)
+  const agree = () => {
+    deleteDialogId !== undefined ? confirmDeleteComment(deleteDialogId) : undefined
+    close()
+  }
+
   return (
     <SideContainer title={'Diskusia - úloha ' + problemNumber} onClose={closeDiscussion}>
+      {/* delete comment dialog */}
+      <Dialog
+        open={deleteDialogId !== undefined}
+        close={close}
+        title="Vymazať komentár?"
+        contentText="Komentár bude nenávratne vymazaný."
+        actions={
+          <>
+            <Button onClick={close}>Zavrieť</Button>
+            <Button onClick={agree}>Potvrdiť</Button>
+          </>
+        }
+      />
       <div className={styles.container}>
         <div className={styles.comments}>
           {commentsIsLoading && <Loading />}
           {comments &&
-            comments.map((comment) => (
-              <div
-                className={clsx(styles.comment, comment.state !== CommentState.Published && styles.notPublished)}
-                key={comment.id}
-              >
-                <div className={styles.title}>
-                  <div>{comment.posted_by}</div>
-                </div>
-                <div>{comment.text}</div>
-                {comment.hidden_response && (
-                  <>
-                    <div className={styles.title}>
-                      <div>Vedúci:</div>
+            comments.map((comment) => {
+              const isPostedByMe = userId === comment.posted_by
+
+              return (
+                <div
+                  className={clsx(styles.comment, comment.state !== CommentState.Published && styles.notPublished)}
+                  key={comment.id}
+                >
+                  <div className={styles.title}>
+                    <div>{comment.posted_by_name}</div>
+                  </div>
+                  <div>{comment.text}</div>
+                  {comment.hidden_response && (
+                    <>
+                      <div className={styles.title}>
+                        <div>Vedúci:</div>
+                      </div>
+                      <div>{comment.hidden_response}</div>
+                    </>
+                  )}
+                  {comment.state === CommentState.WaitingForReview && <div>* komentár čaká na schválenie</div>}
+                  {comment.state === CommentState.Hidden && <div>* tento komentár nie je verejný</div>}
+                  {hiddenResponseDialogId === comment.id ? (
+                    <div className={styles.inputContainer}>
+                      <textarea
+                        className={styles.textArea}
+                        value={hiddenResponseText}
+                        onChange={handleHiddenResponseChange}
+                      />
+                      <div className={styles.commentActions}>
+                        <Button onClick={() => hideComment({id: comment.id, hiddenResponseText})}>Odoslať</Button>
+                      </div>
                     </div>
-                    <div>{comment.hidden_response}</div>
-                  </>
-                )}
-                {comment.state === CommentState.WaitingForReview && <div>* komentár čaká na schválenie</div>}
-                {comment.state === CommentState.Hidden && <div>* tento komentár nie je verejný</div>}
-                {hiddenResponseDialogId === comment.id ? (
-                  <div className={styles.inputContainer}>
-                    <textarea
-                      className={styles.textArea}
-                      value={hiddenResponseText}
-                      onChange={handleHiddenResponseChange}
-                    />
+                  ) : (
                     <div className={styles.commentActions}>
-                      <Button onClick={() => hideComment({id: comment.id, hiddenResponseText})}>Odoslať</Button>
+                      {comment.state !== CommentState.Published && hasPermissions && (
+                        <Button onClick={() => publishComment(comment.id)}>Zverejniť</Button>
+                      )}
+                      {comment.state !== CommentState.Hidden && hasPermissions && (
+                        <Button onClick={() => sethiddenResponseDialogId(comment.id)}>Skryť</Button>
+                      )}
+                      {/* veduci moze zmazat svoj komentar v hocijakom stave, ucastnik moze zmazat svoj nepublishnuty komentar */}
+                      {isPostedByMe && (hasPermissions || comment.state !== CommentState.Published) && (
+                        <Button onClick={() => setDeleteDialogId(comment.id)}>Vymazať</Button>
+                      )}
                     </div>
-                  </div>
-                ) : (
-                  <div className={styles.commentActions}>
-                    {comment.state !== CommentState.Published && hasPermissions && (
-                      <Button onClick={() => publishComment(comment.id)}>Zverejniť</Button>
-                    )}
-                    {comment.state !== CommentState.Hidden && hasPermissions && (
-                      <Button onClick={() => sethiddenResponseDialogId(comment.id)}>Skryť</Button>
-                    )}
-                    {comment.state === CommentState.WaitingForReview && !hasPermissions && (
-                      <Button onClick={() => deleteComment(comment.id)}>Vymazať</Button>
-                    )}
-                  </div>
-                )}
-              </div>
-            ))}
+                  )}
+                </div>
+              )
+            })}
         </div>
         <div className={styles.submitInputContainer}>
           <textarea className={styles.textArea} value={commentText} onChange={handleCommentChange} />
diff --git a/src/types/api/personal.ts b/src/types/api/personal.ts
index 58530dbf..88b7944e 100644
--- a/src/types/api/personal.ts
+++ b/src/types/api/personal.ts
@@ -60,6 +60,7 @@ export interface SchoolProfile {
 }
 
 export interface Profile {
+  id: number
   first_name: string
   last_name: string
   nickname: string | null