diff --git a/public/assets/img/404.png b/public/assets/img/404.png
deleted file mode 100644
index 8b66c971f..000000000
Binary files a/public/assets/img/404.png and /dev/null differ
diff --git a/public/assets/img/500.png b/public/assets/img/500.png
deleted file mode 100644
index dab69206a..000000000
Binary files a/public/assets/img/500.png and /dev/null differ
diff --git a/tests/integration/compare_test.go b/tests/integration/compare_test.go
index cf0bac4c8..5d5529c36 100644
--- a/tests/integration/compare_test.go
+++ b/tests/integration/compare_test.go
@@ -33,7 +33,7 @@ func TestCompareTag(t *testing.T) {
 
 	req = NewRequest(t, "GET", "/user2/repo1/compare/invalid")
 	resp = session.MakeRequest(t, req, http.StatusNotFound)
-	assert.False(t, strings.Contains(resp.Body.String(), "/assets/img/500.png"), "expect 404 page not 500")
+	assert.False(t, strings.Contains(resp.Body.String(), ">500<"), "expect 404 page not 500")
 }
 
 // Compare with inferred default branch (master)
diff --git a/tests/integration/links_test.go b/tests/integration/links_test.go
index 11e6146d0..6edcbbc71 100644
--- a/tests/integration/links_test.go
+++ b/tests/integration/links_test.go
@@ -36,8 +36,6 @@ func TestLinksNoLogin(t *testing.T) {
 		"/user2/repo1/",
 		"/user2/repo1/projects",
 		"/user2/repo1/projects/1",
-		"/assets/img/404.png",
-		"/assets/img/500.png",
 		"/.well-known/security.txt",
 	}