diff --git a/pkgs/development/compilers/crystal/default.nix b/pkgs/development/compilers/crystal/default.nix
index f87a4a0ab37d0..70075782c456e 100644
--- a/pkgs/development/compilers/crystal/default.nix
+++ b/pkgs/development/compilers/crystal/default.nix
@@ -29,8 +29,6 @@
   zlib,
 }:
 
-# We need to keep around at least the latest version released with a stable
-# NixOS
 let
   archs = {
     x86_64-linux = "linux-x86_64";
@@ -301,14 +299,6 @@ rec {
     llvmPackages = llvmPackages_15;
   };
 
-  crystal_1_14 = generic {
-    version = "1.14.1";
-    sha256 = "sha256-cQWK92BfksOW8GmoXn4BmPGJ7CLyLAeKccOffQMh5UU=";
-    binary = binaryCrystal_1_10;
-    llvmPackages = llvmPackages_18;
-    doCheck = false; # Some compiler spec problems on x86-64_linux with the .0 release
-  };
-
   crystal_1_15 = generic {
     version = "1.15.1";
     sha256 = "sha256-L/Q8yZdDq/wn4kJ+zpLfi4pxznAtgjxTCbLnEiCC2K0=";
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 7808fc468fef4..650bf3fd19d95 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -433,6 +433,7 @@ mapAliases {
   crystal_1_8 = throw "'crystal_1_8' has been removed as it is obsolete and no longer used in the tree. Consider using 'crystal' instead"; # Added 2025-02-13
   crystal_1_9 = throw "'crystal_1_9' has been removed as it is obsolete and no longer used in the tree. Consider using 'crystal' instead"; # Added 2025-02-13
   crystal_1_12 = throw "'crystal_1_12' has been removed as it is obsolete and no longer used in the tree. Consider using 'crystal' instead"; # Added 2025-02-19
+  crystal_1_14 = throw "'crystal_1_14' has been removed as it is obsolete and no longer used in the tree. Consider using 'crystal' instead"; # Added 2025-04-02
   clash-geoip = throw "'clash-geoip' has been removed. Consider using 'dbip-country-lite' instead."; # added 2024-10-19
   clash-verge = throw "'clash-verge' has been removed, as it was broken and unmaintained. Consider using 'clash-verge-rev' or 'clash-nyanpasu' instead"; # Added 2024-09-17
   clasp = clingo; # added 2022-12-22
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b6f0798ba1e41..845f2a4719d6d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5951,7 +5951,6 @@ with pkgs;
 
   inherit (darwin.apple_sdk_11_0.callPackage ../development/compilers/crystal { })
     crystal_1_11
-    crystal_1_14
     crystal_1_15
     crystal
     ;