diff --git a/addons/api/.prettierrc.js b/addons/api/.prettierrc.js
index 534e6d35a..e340799c7 100644
--- a/addons/api/.prettierrc.js
+++ b/addons/api/.prettierrc.js
@@ -1,5 +1,3 @@
-'use strict';
-
 module.exports = {
   singleQuote: true,
 };
diff --git a/addons/auth/.prettierrc b/addons/auth/.prettierrc
deleted file mode 100644
index 2ddc9656d..000000000
--- a/addons/auth/.prettierrc
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "singleQuote": true,
-  "printWidth": 80
-}
diff --git a/addons/auth/.prettierrc.js b/addons/auth/.prettierrc.js
index 534e6d35a..5f13e468a 100644
--- a/addons/auth/.prettierrc.js
+++ b/addons/auth/.prettierrc.js
@@ -1,5 +1,4 @@
-'use strict';
-
 module.exports = {
   singleQuote: true,
+  printWidth: 80,
 };
diff --git a/addons/core/.prettierrc.js b/addons/core/.prettierrc.js
index 534e6d35a..e340799c7 100644
--- a/addons/core/.prettierrc.js
+++ b/addons/core/.prettierrc.js
@@ -1,5 +1,3 @@
-'use strict';
-
 module.exports = {
   singleQuote: true,
 };
diff --git a/addons/rose/.prettierrc b/addons/rose/.prettierrc
deleted file mode 100644
index 2ddc9656d..000000000
--- a/addons/rose/.prettierrc
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "singleQuote": true,
-  "printWidth": 80
-}
diff --git a/addons/rose/.prettierrc.js b/addons/rose/.prettierrc.js
index 534e6d35a..5f13e468a 100644
--- a/addons/rose/.prettierrc.js
+++ b/addons/rose/.prettierrc.js
@@ -1,5 +1,4 @@
-'use strict';
-
 module.exports = {
   singleQuote: true,
+  printWidth: 80,
 };
diff --git a/ui/admin/.prettierrc b/ui/admin/.prettierrc
deleted file mode 100644
index 2ddc9656d..000000000
--- a/ui/admin/.prettierrc
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "singleQuote": true,
-  "printWidth": 80
-}
diff --git a/ui/admin/.prettierrc.js b/ui/admin/.prettierrc.js
index 534e6d35a..5f13e468a 100644
--- a/ui/admin/.prettierrc.js
+++ b/ui/admin/.prettierrc.js
@@ -1,5 +1,4 @@
-'use strict';
-
 module.exports = {
   singleQuote: true,
+  printWidth: 80,
 };
diff --git a/ui/desktop/.prettierrc b/ui/desktop/.prettierrc
deleted file mode 100644
index 2ddc9656d..000000000
--- a/ui/desktop/.prettierrc
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "singleQuote": true,
-  "printWidth": 80
-}
diff --git a/ui/desktop/.prettierrc.js b/ui/desktop/.prettierrc.js
index 534e6d35a..5f13e468a 100644
--- a/ui/desktop/.prettierrc.js
+++ b/ui/desktop/.prettierrc.js
@@ -1,5 +1,4 @@
-'use strict';
-
 module.exports = {
   singleQuote: true,
+  printWidth: 80,
 };