diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6553c287a3..3bbb03cc33 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -46,12 +46,26 @@ repos:
     -   id: check-yaml
     -   id: end-of-file-fixer
         stages: [pre-commit, manual]
-    # TODO:
-    #-   id: pretty-format-json
-    #    args: [--autofix, --no-sort-keys]
-    #    stages: [pre-commit, manual]
     -   id: trailing-whitespace
         stages: [pre-commit, manual]
+-   repo: https://gitlab.com/bmares/check-json5
+    rev: v1.0.0
+    hooks:
+    -   id: check-json5
+        alias: check-json
+        types_or: [file, json]
+        files: '\.json[c]?$'
+# FIXME: This removes comments.
+# See Also: https://github.com/dpranke/pyjson5/issues/28
+#-   repo: https://github.com/whtsky/pre-commit-pretty-format-json5
+#    rev: "1.0.0"
+#    hooks:
+#    -   id: pretty-format-json5
+#        alias: pretty-format-json
+#        args: [--no-sort-keys]
+#        stages: [pre-commit, manual]
+#        types_or: [file, json]
+#        files: '\.json[c]?$'
 -   repo: https://github.com/johann-petrak/licenseheaders
     rev: v0.8.8
     hooks:
diff --git a/.prettierrc b/.prettierrc
deleted file mode 100644
index cf0454734c..0000000000
--- a/.prettierrc
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-    "editorconfig": true,
-    "trailingComma": "es5"
-}