diff --git a/app/javascript/mastodon/features/compose/components/upload.js b/app/javascript/mastodon/features/compose/components/upload.js
index 5d8d66cf76..6ab76492a9 100644
--- a/app/javascript/mastodon/features/compose/components/upload.js
+++ b/app/javascript/mastodon/features/compose/components/upload.js
@@ -68,7 +68,7 @@ export default class Upload extends ImmutablePureComponent {
       <div className='compose-form__upload' onMouseEnter={this.handleMouseEnter} onMouseLeave={this.handleMouseLeave}>
         <Motion defaultStyle={{ scale: 0.8 }} style={{ scale: spring(1, { stiffness: 180, damping: 12 }) }}>
           {({ scale }) => (
-            <div className='compose-form__upload-thumbnail' style={{ transform: `translateZ(0) scale(${scale})`, backgroundImage: `url(${media.get('preview_url')})` }}>
+            <div className='compose-form__upload-thumbnail' style={{ transform: `scale(${scale})`, backgroundImage: `url(${media.get('preview_url')})` }}>
               <IconButton icon='times' title={intl.formatMessage(messages.undo)} size={36} onClick={this.handleUndoClick} />
 
               <div className={classNames('compose-form__upload-description', { active })}>
diff --git a/app/javascript/mastodon/features/compose/containers/sensitive_button_container.js b/app/javascript/mastodon/features/compose/containers/sensitive_button_container.js
index e4bd5a7431..c8e74f5a1a 100644
--- a/app/javascript/mastodon/features/compose/containers/sensitive_button_container.js
+++ b/app/javascript/mastodon/features/compose/containers/sensitive_button_container.js
@@ -47,7 +47,7 @@ class SensitiveButton extends React.PureComponent {
             'compose-form__sensitive-button--visible': visible,
           });
           return (
-            <div className={className} style={{ transform: `translateZ(0) scale(${scale})` }}>
+            <div className={className} style={{ transform: `scale(${scale})` }}>
               <IconButton
                 className='compose-form__sensitive-button__icon'
                 title={intl.formatMessage(messages.title)}
diff --git a/app/javascript/mastodon/features/ui/components/upload_area.js b/app/javascript/mastodon/features/ui/components/upload_area.js
index c19065be64..8b9a26270b 100644
--- a/app/javascript/mastodon/features/ui/components/upload_area.js
+++ b/app/javascript/mastodon/features/ui/components/upload_area.js
@@ -40,7 +40,7 @@ export default class UploadArea extends React.PureComponent {
         {({ backgroundOpacity, backgroundScale }) =>
           <div className='upload-area' style={{ visibility: active ? 'visible' : 'hidden', opacity: backgroundOpacity }}>
             <div className='upload-area__drop'>
-              <div className='upload-area__background' style={{ transform: `translateZ(0) scale(${backgroundScale})` }} />
+              <div className='upload-area__background' style={{ transform: `scale(${backgroundScale})` }} />
               <div className='upload-area__content'><FormattedMessage id='upload_area.title' defaultMessage='Drag & drop to upload' /></div>
             </div>
           </div>
diff --git a/app/javascript/mastodon/locales/pl.json b/app/javascript/mastodon/locales/pl.json
index c0776dfc9a..cf76f1b1fa 100644
--- a/app/javascript/mastodon/locales/pl.json
+++ b/app/javascript/mastodon/locales/pl.json
@@ -159,11 +159,11 @@
   "privacy.public.short": "Publiczny",
   "privacy.unlisted.long": "Niewidoczny na publicznych osiach czasu",
   "privacy.unlisted.short": "Niewidoczny",
-  "relative_time.days": "{number}d",
-  "relative_time.hours": "{number}h",
-  "relative_time.just_now": "now",
-  "relative_time.minutes": "{number}m",
-  "relative_time.seconds": "{number}s",
+  "relative_time.days": "{number} dni",
+  "relative_time.hours": "{number} godz.",
+  "relative_time.just_now": "teraz",
+  "relative_time.minutes": "{number} min.",
+  "relative_time.seconds": "{number} s.",
   "reply_indicator.cancel": "Anuluj",
   "report.placeholder": "Dodatkowe komentarze",
   "report.submit": "Wyślij",
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index 306a0457db..076aa95767 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -3402,21 +3402,21 @@ button.icon-button.active i.fa-retweet {
   }
 
   .fa-search {
-    transform: translateZ(0) rotate(90deg);
+    transform: rotate(90deg);
 
     &.active {
       pointer-events: none;
-      transform: translateZ(0) rotate(0deg);
+      transform: rotate(0deg);
     }
   }
 
   .fa-times-circle {
     top: 11px;
-    transform: translateZ(0) rotate(0deg);
+    transform: rotate(0deg);
     cursor: pointer;
 
     &.active {
-      transform: translateZ(0) rotate(90deg);
+      transform: rotate(90deg);
     }
 
     &:hover {
diff --git a/package.json b/package.json
index 5856b56db9..8d24c78506 100644
--- a/package.json
+++ b/package.json
@@ -135,22 +135,5 @@
   },
   "optionalDependencies": {
     "fsevents": "*"
-  },
-  "jest": {
-    "projects": [
-      "<rootDir>/app/javascript/mastodon"
-    ],
-    "testPathIgnorePatterns": [
-      "<rootDir>/node_modules/",
-      "<rootDir>/vendor/",
-      "<rootDir>/config/",
-      "<rootDir>/log/",
-      "<rootDir>/public/",
-      "<rootDir>/tmp/"
-    ],
-    "setupFiles": [
-      "raf/polyfill"
-    ],
-    "setupTestFrameworkScriptFile": "<rootDir>/app/javascript/mastodon/test_setup.js"
   }
 }