diff --git a/pkgs/applications/networking/mumble/default.nix b/pkgs/applications/networking/mumble/default.nix
index 3205630ce61c..43f91c227027 100644
--- a/pkgs/applications/networking/mumble/default.nix
+++ b/pkgs/applications/networking/mumble/default.nix
@@ -13,7 +13,6 @@
   protobuf,
   speex,
   libcap,
-  utf8proc,
   alsa-lib,
   python3,
   rnnoise,
@@ -100,7 +99,6 @@ let
           qt5.qtsvg
           rnnoise
           speex
-          utf8proc
         ]
         ++ lib.optional (!jackSupport) alsa-lib
         ++ lib.optional jackSupport libjack2
diff --git a/pkgs/applications/radio/pothos/default.nix b/pkgs/applications/radio/pothos/default.nix
index afa1fcf14bc8..cf9b3be83409 100644
--- a/pkgs/applications/radio/pothos/default.nix
+++ b/pkgs/applications/radio/pothos/default.nix
@@ -18,7 +18,6 @@
   alsa-lib,
   muparserx,
   python3,
-  utf8proc,
 }:
 
 mkDerivation rec {
@@ -69,7 +68,6 @@ mkDerivation rec {
     alsa-lib
     muparserx
     python3
-    utf8proc
   ];
 
   postInstall = ''
diff --git a/pkgs/by-name/mu/multipass/multipassd.nix b/pkgs/by-name/mu/multipass/multipassd.nix
index e328ca783914..2cc6f9b6fb06 100644
--- a/pkgs/by-name/mu/multipass/multipassd.nix
+++ b/pkgs/by-name/mu/multipass/multipassd.nix
@@ -24,7 +24,6 @@
   qt6,
   slang,
   stdenv,
-  utf8proc,
   xterm,
 }:
 
@@ -121,7 +120,6 @@ stdenv.mkDerivation {
     protobuf
     qt6.qtbase
     qt6.qtwayland
-    utf8proc
   ];
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/po/poco/package.nix b/pkgs/by-name/po/poco/package.nix
index e473a6ceae42..2117341d5232 100644
--- a/pkgs/by-name/po/poco/package.nix
+++ b/pkgs/by-name/po/poco/package.nix
@@ -7,11 +7,11 @@
   pkg-config,
   zlib,
   pcre2,
+  utf8proc,
   expat,
   sqlite,
   openssl,
   unixODBC,
-  utf8proc,
   libmysqlclient,
 }:
 
@@ -34,13 +34,13 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     unixODBC
-    utf8proc
     libmysqlclient
   ];
 
   propagatedBuildInputs = [
     zlib
     pcre2
+    utf8proc
     expat
     sqlite
     openssl