diff --git a/app/src/main/res/xml/network_security_config.xml b/app/src/main/res/xml/network_security_config.xml
index 7bd095bd..a2ca51c8 100644
--- a/app/src/main/res/xml/network_security_config.xml
+++ b/app/src/main/res/xml/network_security_config.xml
@@ -10,18 +10,6 @@
             <!-- ISRG Root X2 -->
             <pin digest="SHA-256">diGVwiVYbubAI3RW4hB9xU8e/CH2GnkuvVFZE8zmgzI=</pin>
 
-            <!-- Let's Encrypt R3 -->
-            <pin digest="SHA-256">jQJTbIh0grw0/1TkHSumWb+Fs0Ggogr621gT3PvPKG0=</pin>
-
-            <!-- Let's Encrypt E1 -->
-            <pin digest="SHA-256">J2/oqMTsdhFWW/n85tys6b4yDBtb6idZayIEBx7QTxA=</pin>
-
-            <!-- Let's Encrypt R4 -->
-            <pin digest="SHA-256">5VReIRNHJBiRxVSgOTTN6bdJZkpZ0m1hX+WPd5kPLQM=</pin>
-
-            <!-- Let's Encrypt E2 -->
-            <pin digest="SHA-256">vZNucrIS7293MQLGt304+UKXMi78JTlrwyeUIuDIknA=</pin>
-
             <!-- ECDSA secp256r1 backup key -->
             <pin digest="SHA-256">drRsq5LgQXsqyraaN1122zCpsfaOpVr0hN5VG1VvQ3E=</pin>