diff --git a/CALCKEY.md b/CALCKEY.md
index 21d835f794..172d6e1f16 100644
--- a/CALCKEY.md
+++ b/CALCKEY.md
@@ -82,6 +82,7 @@
 - Allow admins to set logo URL via admin settings
 - Allow importing follows from Pixelfed
 - Phosphor icons instead of FontAwesome
+- Fully deprecate MkEmojiPickerWindow in favor of MkEmojiPickerDialog
 - Obliteration of Ai-chan
 - [Make showing ads optional](https://github.com/misskey-dev/misskey/pull/8996)
 - [Tapping avatar in mobile opens account modal](https://github.com/misskey-dev/misskey/pull/9056)
diff --git a/packages/client/src/components/MkEmojiPickerWindow.vue b/packages/client/src/components/MkEmojiPickerWindow.vue
deleted file mode 100644
index 523e4ba695..0000000000
--- a/packages/client/src/components/MkEmojiPickerWindow.vue
+++ /dev/null
@@ -1,180 +0,0 @@
-<template>
-<MkWindow ref="window"
-	:initial-width="null"
-	:initial-height="null"
-	:can-resize="false"
-	:mini="true"
-	:front="true"
-	@closed="emit('closed')"
->
-	<MkEmojiPicker :show-pinned="showPinned" :as-reaction-picker="asReactionPicker" @chosen="chosen"/>
-</MkWindow>
-</template>
-
-<script lang="ts" setup>
-import { } from 'vue';
-import MkWindow from '@/components/MkWindow.vue';
-import MkEmojiPicker from '@/components/MkEmojiPicker.vue';
-
-withDefaults(defineProps<{
-	src?: HTMLElement;
-	showPinned?: boolean;
-	asReactionPicker?: boolean;
-}>(), {
-	showPinned: true,
-});
-
-const emit = defineEmits<{
-	(ev: 'chosen', v: any): void;
-	(ev: 'closed'): void;
-}>();
-
-function chosen(emoji: any) {
-	emit('chosen', emoji);
-}
-</script>
-
-<style lang="scss" scoped>
-.omfetrab {
-	$pad: 8px;
-	--eachSize: 40px;
-
-	display: flex;
-	flex-direction: column;
-	contain: content;
-
-	&.big {
-		--eachSize: 44px;
-	}
-
-	&.w1 {
-		width: calc((var(--eachSize) * 5) + (#{$pad} * 2));
-	}
-
-	&.w2 {
-		width: calc((var(--eachSize) * 6) + (#{$pad} * 2));
-	}
-
-	&.w3 {
-		width: calc((var(--eachSize) * 7) + (#{$pad} * 2));
-	}
-
-	&.h1 {
-		--height: calc((var(--eachSize) * 4) + (#{$pad} * 2));
-	}
-
-	&.h2 {
-		--height: calc((var(--eachSize) * 6) + (#{$pad} * 2));
-	}
-
-	&.h3 {
-		--height: calc((var(--eachSize) * 8) + (#{$pad} * 2));
-	}
-
-	> .search {
-		width: 100%;
-		padding: 12px;
-		box-sizing: border-box;
-		font-size: 1em;
-		outline: none;
-		border: none;
-		background: transparent;
-		color: var(--fg);
-
-		&:not(.filled) {
-			order: 1;
-			z-index: 2;
-			box-shadow: 0px -1px 0 0px var(--divider);
-		}
-	}
-
-	> .emojis {
-		height: var(--height);
-		overflow-y: auto;
-		overflow-x: hidden;
-
-		scrollbar-width: none;
-
-		&::-webkit-scrollbar {
-			display: none;
-		}
-
-		> .index {
-			min-height: var(--height);
-			position: relative;
-			border-bottom: solid 0.5px var(--divider);
-				
-			> .arrow {
-				position: absolute;
-				bottom: 0;
-				left: 0;
-				width: 100%;
-				padding: 16px 0;
-				text-align: center;
-				opacity: 0.5;
-				pointer-events: none;
-			}
-		}
-
-		section {
-			> header {
-				position: sticky;
-				top: 0;
-				left: 0;
-				z-index: 1;
-				padding: 8px;
-				font-size: 12px;
-			}
-
-			> div {
-				padding: $pad;
-
-				> button {
-					position: relative;
-					padding: 0;
-					width: var(--eachSize);
-					height: var(--eachSize);
-					border-radius: 4px;
-
-					&:focus-visible {
-						outline: solid 2px var(--focus);
-						z-index: 1;
-					}
-
-					&:hover {
-						background: rgba(0, 0, 0, 0.05);
-					}
-
-					&:active {
-						background: var(--accent);
-						box-shadow: inset 0 0.15em 0.3em rgba(27, 31, 35, 0.15);
-					}
-
-					> * {
-						font-size: 24px;
-						height: 1.25em;
-						vertical-align: -.25em;
-						pointer-events: none;
-					}
-				}
-			}
-
-			&.result {
-				border-bottom: solid 0.5px var(--divider);
-
-				&:empty {
-					display: none;
-				}
-			}
-
-			&.unicode {
-				min-height: 384px;
-			}
-
-			&.custom {
-				min-height: 64px;
-			}
-		}
-	}
-}
-</style>