diff --git a/frontend/static/languages/filipino_1k.json b/frontend/static/languages/filipino_1k.json
index 833fbc6df..369984921 100644
--- a/frontend/static/languages/filipino_1k.json
+++ b/frontend/static/languages/filipino_1k.json
@@ -1,6 +1,6 @@
 {
   "name": "filipino_1k",
-  "leftToRight": "true",
+  "leftToRight": true,
   "noLazyMode": true,
   "words": [
     "salita",
diff --git a/frontend/static/languages/pinyin_10k.json b/frontend/static/languages/pinyin_10k.json
index 0ede8af78..0b0e2c125 100644
--- a/frontend/static/languages/pinyin_10k.json
+++ b/frontend/static/languages/pinyin_10k.json
@@ -8229,7 +8229,6 @@
     "zōu",
     "jìn",
     "yǎn",
-    "",
     "zhèng",
     "qiū",
     "nǔ",
@@ -9028,7 +9027,6 @@
     "yáng",
     "shēng",
     "gōng",
-    "",
     "jiāo",
     "tóng",
     "máng",
diff --git a/frontend/static/languages/swahili_1k.json b/frontend/static/languages/swahili_1k.json
index 26cd8fe26..7b6f2050f 100644
--- a/frontend/static/languages/swahili_1k.json
+++ b/frontend/static/languages/swahili_1k.json
@@ -1,7 +1,7 @@
 {
   "name": "swahili_1k",
   "_comment": "Source from: https://1000mostcommonwords.com/1000-most-common-swahili-words/.",
-  "leftToRight": "true",
+  "leftToRight": true,
   "noLazyMode": true,
   "words": [
     "kama",