diff --git a/package-lock.json b/package-lock.json
index 981ded383..8ac6d560e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4124,11 +4124,6 @@
 				"domelementtype": "1"
 			}
 		},
-		"dompurify": {
-			"version": "1.0.5",
-			"resolved": "https://registry.npmjs.org/dompurify/-/dompurify-1.0.5.tgz",
-			"integrity": "sha512-W7QHgBwTbTh3/Xv0jQyckJOTN2uigyrwOTidFv0qRbT6s6HtuIO3e1LXKbA35FJ34dbptQ5Yznkd/ELAdJ2wOw=="
-		},
 		"domutils": {
 			"version": "1.7.0",
 			"resolved": "https://registry.npmjs.org/domutils/-/domutils-1.7.0.tgz",
@@ -9035,11 +9030,6 @@
 			"resolved": "https://registry.npmjs.org/lodash._root/-/lodash._root-3.0.1.tgz",
 			"integrity": "sha1-+6HEUkwZ7ppfgTa0YJ8BfPTe1pI="
 		},
-		"lodash.assign": {
-			"version": "4.2.0",
-			"resolved": "https://registry.npmjs.org/lodash.assign/-/lodash.assign-4.2.0.tgz",
-			"integrity": "sha1-DZnzzNem0mHRm9rrkkUAXShYCOc="
-		},
 		"lodash.assignin": {
 			"version": "4.2.0",
 			"resolved": "https://registry.npmjs.org/lodash.assignin/-/lodash.assignin-4.2.0.tgz",
diff --git a/package.json b/package.json
index 03b5bd1df..8c3afcbef 100644
--- a/package.json
+++ b/package.json
@@ -104,7 +104,6 @@
 		"deep-equal": "1.0.1",
 		"deepcopy": "0.6.3",
 		"diskusage": "0.2.5",
-		"dompurify": "1.0.5",
 		"double-ended-queue": "2.1.0-0",
 		"elasticsearch": "15.1.1",
 		"emojilib": "2.3.0",
@@ -152,7 +151,6 @@
 		"koa-slow": "2.1.0",
 		"koa-views": "6.1.4",
 		"loader-utils": "1.1.0",
-		"lodash.assign": "4.2.0",
 		"mecab-async": "0.1.2",
 		"merge-options": "1.0.1",
 		"minio": "7.0.1",