diff --git a/proprietary-files.txt b/proprietary-files.txt
index d2743e1..2c9e96b 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -139,9 +139,6 @@ lib/libiwnn.so
 lib/libiwnnaz.so
 lib/libJpgDecPipe.so
 lib/libJpgEncPipe.so
-lib/libkindlepdf.so
-lib/libKindleReaderJNI.so
-lib/libLangDetectorJNI.so
 lib/libm4u.so
 lib/libMali.so
 lib/libmatv_cust.so