diff --git a/pkgs/applications/networking/instant-messengers/zoom-us/default.nix b/pkgs/applications/networking/instant-messengers/zoom-us/default.nix
index f0243f45b8f..5f4e0ca1ee0 100644
--- a/pkgs/applications/networking/instant-messengers/zoom-us/default.nix
+++ b/pkgs/applications/networking/instant-messengers/zoom-us/default.nix
@@ -4,7 +4,7 @@
 , glib
 , gst_plugins_base
 , gstreamer
-, icu_54_1
+, icu
 , libpulseaudio
 , libuuid
 , libxml2
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
       glib
       gst_plugins_base
       gstreamer
-      icu_54_1
+      icu
       libpulseaudio
       libuuid
       libxml2
diff --git a/pkgs/development/libraries/icu/54.1.nix b/pkgs/development/libraries/icu/54.1.nix
deleted file mode 100644
index a2465ce930f..00000000000
--- a/pkgs/development/libraries/icu/54.1.nix
+++ /dev/null
@@ -1,11 +0,0 @@
-{ stdenv, fetchurl, fetchpatch, fixDarwinDylibNames }:
-
-let
-  icu = import ./default.nix { inherit stdenv fetchurl fetchpatch fixDarwinDylibNames; };
-in
-  stdenv.lib.overrideDerivation icu (attrs: {
-    src = fetchurl {
-      url = "http://download.icu-project.org/files/icu4c/54.1/icu4c-54_1-src.tgz";
-      sha256 = "1cwapgjmvrcv1n2wjspj3vahidg596gjfp4jn1gcb4baralcjayl";
-    };
-  })
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 7755312e57d..a053ce99801 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7473,7 +7473,6 @@ in
   hyena = callPackage ../development/libraries/hyena { };
 
   icu = callPackage ../development/libraries/icu { };
-  icu_54_1 = callPackage ../development/libraries/icu/54.1.nix { };
 
   id3lib = callPackage ../development/libraries/id3lib { };