diff --git a/pkgs/development/interpreters/erlang/R22.nix b/pkgs/development/interpreters/erlang/R22.nix
index 968583543406..23c77300c03d 100644
--- a/pkgs/development/interpreters/erlang/R22.nix
+++ b/pkgs/development/interpreters/erlang/R22.nix
@@ -1,7 +1,5 @@
 { mkDerivation }:
 
-# How to obtain `sha256`:
-# nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz
 mkDerivation {
   version = "22.3.4.24";
   sha256 = "0c9713xa8sjw7nr55hysgcnbvj7gzbrpzdl94y1nqn7vw4ni8is3";
diff --git a/pkgs/development/interpreters/erlang/R23.nix b/pkgs/development/interpreters/erlang/R23.nix
index a0d831d631f4..daf69b6bfe0a 100644
--- a/pkgs/development/interpreters/erlang/R23.nix
+++ b/pkgs/development/interpreters/erlang/R23.nix
@@ -1,7 +1,5 @@
 { mkDerivation }:
 
-# How to obtain `sha256`:
-# nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz
 mkDerivation {
   version = "23.3.4.10";
   sha256 = "0sfz7n748hvhmcygnvb6h31ag35p59aaa9h8gdpqsh6p4hnjh1mf";
diff --git a/pkgs/development/interpreters/erlang/R24.nix b/pkgs/development/interpreters/erlang/R24.nix
index b86667ec1e76..ac2cc48b0a0c 100644
--- a/pkgs/development/interpreters/erlang/R24.nix
+++ b/pkgs/development/interpreters/erlang/R24.nix
@@ -1,7 +1,5 @@
 { mkDerivation }:
 
-# How to obtain `sha256`:
-# nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz
 mkDerivation {
   version = "24.2";
   sha256 = "10s57v2i2qqyg3gddm85n3crzrkikl4zfwgzqmxjzdynsyb4xg68";
diff --git a/pkgs/development/interpreters/erlang/R25.nix b/pkgs/development/interpreters/erlang/R25.nix
index 381ea8d5c227..4d1c6be5f914 100644
--- a/pkgs/development/interpreters/erlang/R25.nix
+++ b/pkgs/development/interpreters/erlang/R25.nix
@@ -1,8 +1,6 @@
 { mkDerivation }:
 
-# How to obtain `sha256`:
-# nix-prefetch-url --unpack https://github.com/erlang/otp/archive/OTP-${version}.tar.gz
 mkDerivation {
-  version = "25.0.3";
-  sha256 = "0zchcm7gv52j30fq5p658h9c593ziirq09kkah6mpsvjfdsmvmgl";
+  version = "25.1";
+  sha256 = "1wrdcc576ad4fibm95c3mfni8sg1h536b4affdj05qg5cyjjwwis";
 }