diff --git a/v3/public-resolvers.md b/v3/public-resolvers.md
index 4c2fbb9a..d962a094 100644
--- a/v3/public-resolvers.md
+++ b/v3/public-resolvers.md
@@ -1237,15 +1237,6 @@ Blocks ad and Tracking, no Logging, DNSSEC, Hosted in Finland. By https://blahdn
 sdns://AgMAAAAAAAAAF1syYTAxOjRmOTpjMDEwOjQzY2U6OjFdABJkb2gtZmkuYmxhaGRucy5jb20KL2Rucy1xdWVyeQ
 
 
-## doh-ibksturm
-
-DoH Server, No Logging, No Filters, DNSSEC
-
-Running privately by ibksturm in Thurgau, Switzerland
-
-sdns://AgcAAAAAAAAAAKDMEGDTnIMptitvvH0NbfkwmGm5gefmOS1c2PpAj02A5iBETr1nu4P4gHs5Iek4rJF4uIK9UKrbESMfBEz18I33zhRpYmtzdHVybS5zeW5vbG9neS5tZQovZG5zLXF1ZXJ5
-
-
 ## doh-jp-blahdns
 
 Blocks ad and Tracking, no Logging, DNSSEC, Hosted in Japan. By https://blahdns.com/
@@ -2109,13 +2100,6 @@ Provides protection against malware, but does not block ads.
 sdns://AgMAAAAAAAAAACA7FAZ73R-Sz_NJdsl8yiP0L0H3yntGnmJAVtqSpC3Nmg1kbnMuc3dpdGNoLmNoCi9kbnMtcXVlcnk
 
 
-## t53
-
-Deutsche Telekom experimental DoH server.
-
-sdns://AgUAAAAAAAAAAKDMEGDTnIMptitvvH0NbfkwmGm5gefmOS1c2PpAj02A5iBETr1nu4P4gHs5Iek4rJF4uIK9UKrbESMfBEz18I33zgpkbnMudDUzLmRlCi9kbnMtcXVlcnk
-
-
 ## tuna-doh-ipv4
 
 DoH server provided by Tsinghua University TUNA Association, located in mainland China, no GFW poisoning yet it has a manual blacklist.