diff --git a/src/imageformats/kra.json b/src/imageformats/kra.json
index 00755ab..6307531 100644
--- a/src/imageformats/kra.json
+++ b/src/imageformats/kra.json
@@ -1,5 +1,4 @@
 {
     "Keys": [ "kra" ],
-    "MimeTypes": [ "application/x-krita", "application/x-krita" ]
+    "MimeTypes": [ "application/x-krita" ]
 }
-
diff --git a/src/imageformats/ora.json b/src/imageformats/ora.json
index 24e9ced..c12d7f8 100644
--- a/src/imageformats/ora.json
+++ b/src/imageformats/ora.json
@@ -1,5 +1,4 @@
 {
     "Keys": [ "ora" ],
-    "MimeTypes": [ "image/openraster", "image/openraster" ]
+    "MimeTypes": [ "image/openraster" ]
 }
-