diff --git a/src/plugins/desktopchangeosd/package/metadata.json b/src/plugins/desktopchangeosd/package/metadata.json
index a3c28ac710..cb0a10b6c8 100644
--- a/src/plugins/desktopchangeosd/package/metadata.json
+++ b/src/plugins/desktopchangeosd/package/metadata.json
@@ -113,6 +113,5 @@
         "Name[zh_TW]": "桌面變更時的螢幕顯示",
         "Version": "1.0"
     },
-    "X-Plasma-API": "declarativescript",
-    "X-Plasma-MainScript": "ui/main.qml"
+    "X-Plasma-API": "declarativescript"
 }
diff --git a/src/plugins/dialogparent/package/metadata.json b/src/plugins/dialogparent/package/metadata.json
index bccbb10a2e..a1d8004035 100644
--- a/src/plugins/dialogparent/package/metadata.json
+++ b/src/plugins/dialogparent/package/metadata.json
@@ -116,6 +116,5 @@
         "Version": "0.1.0"
     },
     "X-KDE-Ordering": "70",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/dimscreen/package/metadata.json b/src/plugins/dimscreen/package/metadata.json
index 27c5ef5f24..df4a34f79a 100644
--- a/src/plugins/dimscreen/package/metadata.json
+++ b/src/plugins/dimscreen/package/metadata.json
@@ -119,6 +119,5 @@
     "X-KDE-Ordering": "60",
     "X-KDE-ParentApp": "",
     "X-KWin-Video-Url": "https://files.kde.org/plasma/kwin/effect-videos/dim_administration.mp4",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/eyeonscreen/package/metadata.json b/src/plugins/eyeonscreen/package/metadata.json
index 6d62898a09..cc77d8002e 100644
--- a/src/plugins/eyeonscreen/package/metadata.json
+++ b/src/plugins/eyeonscreen/package/metadata.json
@@ -118,6 +118,5 @@
     },
     "X-KDE-Ordering": "50",
     "X-KWin-Exclusive-Category": "show-desktop",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/fade/package/metadata.json b/src/plugins/fade/package/metadata.json
index e57e2cc907..3573f43855 100644
--- a/src/plugins/fade/package/metadata.json
+++ b/src/plugins/fade/package/metadata.json
@@ -118,6 +118,5 @@
     },
     "X-KDE-Ordering": "60",
     "X-KWin-Exclusive-Category": "toplevel-open-close-animation",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/fadedesktop/package/metadata.json b/src/plugins/fadedesktop/package/metadata.json
index 125f3c36db..762ece608c 100644
--- a/src/plugins/fadedesktop/package/metadata.json
+++ b/src/plugins/fadedesktop/package/metadata.json
@@ -119,6 +119,5 @@
     "X-KDE-Ordering": "50",
     "X-KWin-Exclusive-Category": "desktop-animations",
     "X-KWin-Video-Url": "https://files.kde.org/plasma/kwin/effect-videos/fade_desktop.ogv",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/fadingpopups/package/metadata.json b/src/plugins/fadingpopups/package/metadata.json
index 47f0beb8e3..246f0134ad 100644
--- a/src/plugins/fadingpopups/package/metadata.json
+++ b/src/plugins/fadingpopups/package/metadata.json
@@ -124,6 +124,5 @@
         "Version": "1.0"
     },
     "X-KDE-Ordering": "60",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/frozenapp/package/metadata.json b/src/plugins/frozenapp/package/metadata.json
index 08fed94732..75c0020501 100644
--- a/src/plugins/frozenapp/package/metadata.json
+++ b/src/plugins/frozenapp/package/metadata.json
@@ -119,6 +119,5 @@
     "X-KDE-Ordering": "60",
     "X-KDE-PluginKeyword": "frozenapp",
     "X-KWin-Config-TranslationDomain": "kwin",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/fullscreen/package/contents/code/fullscreen.js b/src/plugins/fullscreen/package/contents/code/main.js
similarity index 100%
rename from src/plugins/fullscreen/package/contents/code/fullscreen.js
rename to src/plugins/fullscreen/package/contents/code/main.js
diff --git a/src/plugins/fullscreen/package/metadata.json b/src/plugins/fullscreen/package/metadata.json
index 5ae9b94334..392d2b716b 100644
--- a/src/plugins/fullscreen/package/metadata.json
+++ b/src/plugins/fullscreen/package/metadata.json
@@ -119,6 +119,5 @@
     },
     "X-KDE-Ordering": "60",
     "X-KDE-ParentApp": "",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/fullscreen.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/kdecorations/aurorae/themes/plastik/package/metadata.json b/src/plugins/kdecorations/aurorae/themes/plastik/package/metadata.json
index 8dd16284fa..d5f2d9c664 100644
--- a/src/plugins/kdecorations/aurorae/themes/plastik/package/metadata.json
+++ b/src/plugins/kdecorations/aurorae/themes/plastik/package/metadata.json
@@ -112,6 +112,5 @@
         "Name[zh_TW]": "Plastik",
         "Version": "1.0"
     },
-    "X-KWin-Config-TranslationDomain": "kwin",
-    "X-Plasma-MainScript": "ui/main.qml"
+    "X-KWin-Config-TranslationDomain": "kwin"
 }
diff --git a/src/plugins/login/package/metadata.json b/src/plugins/login/package/metadata.json
index db3e042382..a0c687b0f4 100644
--- a/src/plugins/login/package/metadata.json
+++ b/src/plugins/login/package/metadata.json
@@ -119,6 +119,5 @@
     "X-KDE-Ordering": "40",
     "X-KDE-PluginKeyword": "login",
     "X-KWin-Config-TranslationDomain": "kwin",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/logout/package/metadata.json b/src/plugins/logout/package/metadata.json
index 7cb5102e80..113e6dbb32 100644
--- a/src/plugins/logout/package/metadata.json
+++ b/src/plugins/logout/package/metadata.json
@@ -117,6 +117,5 @@
         "Version": "0.2.0"
     },
     "X-KDE-Ordering": "40",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/maximize/package/contents/code/maximize.js b/src/plugins/maximize/package/contents/code/main.js
similarity index 100%
rename from src/plugins/maximize/package/contents/code/maximize.js
rename to src/plugins/maximize/package/contents/code/main.js
diff --git a/src/plugins/maximize/package/metadata.json b/src/plugins/maximize/package/metadata.json
index 0bfc9b47af..1828dcf85e 100644
--- a/src/plugins/maximize/package/metadata.json
+++ b/src/plugins/maximize/package/metadata.json
@@ -120,6 +120,5 @@
     "X-KDE-Ordering": "60",
     "X-KDE-ParentApp": "",
     "X-KWin-Video-Url": "https://files.kde.org/plasma/kwin/effect-videos/maximize.ogv",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/maximize.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/minimizeall/package/metadata.json b/src/plugins/minimizeall/package/metadata.json
index 2804c3b56e..cbf604eacb 100644
--- a/src/plugins/minimizeall/package/metadata.json
+++ b/src/plugins/minimizeall/package/metadata.json
@@ -116,6 +116,5 @@
     },
     "X-KDE-PluginKeyword": "minimizeall",
     "X-KWin-Border-Activate": "true",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/morphingpopups/package/contents/code/morphingpopups.js b/src/plugins/morphingpopups/package/contents/code/main.js
similarity index 100%
rename from src/plugins/morphingpopups/package/contents/code/morphingpopups.js
rename to src/plugins/morphingpopups/package/contents/code/main.js
diff --git a/src/plugins/morphingpopups/package/metadata.json b/src/plugins/morphingpopups/package/metadata.json
index bcb1e80933..957480978f 100644
--- a/src/plugins/morphingpopups/package/metadata.json
+++ b/src/plugins/morphingpopups/package/metadata.json
@@ -126,6 +126,5 @@
     "X-KDE-Ordering": "60",
     "X-KDE-ParentApp": "",
     "X-KWin-Video-Url": "https://files.kde.org/plasma/kwin/effect-videos/morphingpopups.ogv",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/morphingpopups.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/scale/package/metadata.json b/src/plugins/scale/package/metadata.json
index b20c5f70b7..fcff0b356f 100644
--- a/src/plugins/scale/package/metadata.json
+++ b/src/plugins/scale/package/metadata.json
@@ -127,6 +127,5 @@
     "X-KDE-PluginKeyword": "scale",
     "X-KWin-Config-TranslationDomain": "kwin",
     "X-KWin-Exclusive-Category": "toplevel-open-close-animation",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/sessionquit/package/metadata.json b/src/plugins/sessionquit/package/metadata.json
index b2ca9f2777..fd55904c45 100644
--- a/src/plugins/sessionquit/package/metadata.json
+++ b/src/plugins/sessionquit/package/metadata.json
@@ -117,6 +117,5 @@
     },
     "X-KDE-Ordering": "40",
     "X-KWin-Internal": "true",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/squash/package/metadata.json b/src/plugins/squash/package/metadata.json
index 18859c1caf..ec459751b5 100644
--- a/src/plugins/squash/package/metadata.json
+++ b/src/plugins/squash/package/metadata.json
@@ -119,6 +119,5 @@
     "X-KDE-ParentApp": "",
     "X-KWin-Exclusive-Category": "minimize",
     "X-KWin-Video-Url": "https://files.kde.org/plasma/kwin/effect-videos/minimize.ogv",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/synchronizeskipswitcher/package/metadata.json b/src/plugins/synchronizeskipswitcher/package/metadata.json
index 1728f507fa..9fca0573d5 100644
--- a/src/plugins/synchronizeskipswitcher/package/metadata.json
+++ b/src/plugins/synchronizeskipswitcher/package/metadata.json
@@ -113,6 +113,5 @@
         "Name[zh_TW]": "同步忽略切換器標記與忽略工作列標記",
         "Version": "1.0"
     },
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/translucency/package/metadata.json b/src/plugins/translucency/package/metadata.json
index 2a087051eb..d8f6b5880c 100644
--- a/src/plugins/translucency/package/metadata.json
+++ b/src/plugins/translucency/package/metadata.json
@@ -118,6 +118,5 @@
     "X-KDE-Ordering": "50",
     "X-KDE-PluginKeyword": "translucency",
     "X-KWin-Config-TranslationDomain": "kwin",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/videowall/package/metadata.json b/src/plugins/videowall/package/metadata.json
index 87120522b6..bae8f0d794 100644
--- a/src/plugins/videowall/package/metadata.json
+++ b/src/plugins/videowall/package/metadata.json
@@ -115,6 +115,5 @@
     },
     "X-KDE-ConfigModule": "kwin/effects/configs/kcm_kwin4_genericscripted",
     "X-KDE-PluginKeyword": "videowall",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/plugins/windowaperture/package/metadata.json b/src/plugins/windowaperture/package/metadata.json
index 97be609d0a..fd233355f3 100644
--- a/src/plugins/windowaperture/package/metadata.json
+++ b/src/plugins/windowaperture/package/metadata.json
@@ -117,6 +117,5 @@
     },
     "X-KDE-Ordering": "50",
     "X-KWin-Exclusive-Category": "show-desktop",
-    "X-Plasma-API": "javascript",
-    "X-Plasma-MainScript": "code/main.js"
+    "X-Plasma-API": "javascript"
 }
diff --git a/src/tabbox/switchers/thumbnail_grid/metadata.json b/src/tabbox/switchers/thumbnail_grid/metadata.json
index e1dfddfe52..657da4bf33 100644
--- a/src/tabbox/switchers/thumbnail_grid/metadata.json
+++ b/src/tabbox/switchers/thumbnail_grid/metadata.json
@@ -95,6 +95,5 @@
         "Name[zh_TW]": "縮圖格線",
         "Version": "6"
     },
-    "X-Plasma-API": "declarativeappletscript",
-    "X-Plasma-MainScript": "ui/main.qml"
+    "X-Plasma-API": "declarativeappletscript"
 }