diff --git a/pkgs/development/tools/parsing/alex/2.3.1.nix b/pkgs/development/tools/parsing/alex/2.3.1.nix
index b38979256c6..83138e2e0ff 100644
--- a/pkgs/development/tools/parsing/alex/2.3.1.nix
+++ b/pkgs/development/tools/parsing/alex/2.3.1.nix
@@ -14,6 +14,7 @@ cabal.mkDerivation (self: {
     description = "Alex is a tool for generating lexical analysers in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
+    hydraPlatforms = self.stdenv.lib.platforms.none;
     maintainers = [ self.stdenv.lib.maintainers.andres ];
   };
 })
diff --git a/pkgs/development/tools/parsing/alex/2.3.2.nix b/pkgs/development/tools/parsing/alex/2.3.2.nix
index dc4a0261c4a..0bc13d16017 100644
--- a/pkgs/development/tools/parsing/alex/2.3.2.nix
+++ b/pkgs/development/tools/parsing/alex/2.3.2.nix
@@ -14,6 +14,7 @@ cabal.mkDerivation (self: {
     description = "Alex is a tool for generating lexical analysers in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
+    hydraPlatforms = self.stdenv.lib.platforms.none;
     maintainers = [ self.stdenv.lib.maintainers.andres ];
   };
 })
diff --git a/pkgs/development/tools/parsing/alex/2.3.3.nix b/pkgs/development/tools/parsing/alex/2.3.3.nix
index 146f784463e..ccef30058c5 100644
--- a/pkgs/development/tools/parsing/alex/2.3.3.nix
+++ b/pkgs/development/tools/parsing/alex/2.3.3.nix
@@ -14,6 +14,7 @@ cabal.mkDerivation (self: {
     description = "Alex is a tool for generating lexical analysers in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
+    hydraPlatforms = self.stdenv.lib.platforms.none;
     maintainers = [ self.stdenv.lib.maintainers.andres ];
   };
 })
diff --git a/pkgs/development/tools/parsing/alex/2.3.5.nix b/pkgs/development/tools/parsing/alex/2.3.5.nix
index 65faf84aa2c..d8e7e759e76 100644
--- a/pkgs/development/tools/parsing/alex/2.3.5.nix
+++ b/pkgs/development/tools/parsing/alex/2.3.5.nix
@@ -14,6 +14,7 @@ cabal.mkDerivation (self: {
     description = "Alex is a tool for generating lexical analysers in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
+    hydraPlatforms = self.stdenv.lib.platforms.none;
     maintainers = [ self.stdenv.lib.maintainers.andres ];
   };
 })
diff --git a/pkgs/development/tools/parsing/alex/3.0.1.nix b/pkgs/development/tools/parsing/alex/3.0.1.nix
index 0433ca3adde..a72f5eedc23 100644
--- a/pkgs/development/tools/parsing/alex/3.0.1.nix
+++ b/pkgs/development/tools/parsing/alex/3.0.1.nix
@@ -16,6 +16,7 @@ cabal.mkDerivation (self: {
     description = "Alex is a tool for generating lexical analysers in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
+    hydraPlatforms = self.stdenv.lib.platforms.none;
     maintainers = [ self.stdenv.lib.maintainers.andres ];
   };
 })
diff --git a/pkgs/development/tools/parsing/alex/3.0.2.nix b/pkgs/development/tools/parsing/alex/3.0.2.nix
index c11a64cb2ec..90b9c2630f9 100644
--- a/pkgs/development/tools/parsing/alex/3.0.2.nix
+++ b/pkgs/development/tools/parsing/alex/3.0.2.nix
@@ -16,6 +16,7 @@ cabal.mkDerivation (self: {
     description = "Alex is a tool for generating lexical analysers in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
+    hydraPlatforms = self.stdenv.lib.platforms.none;
     maintainers = [ self.stdenv.lib.maintainers.andres ];
   };
 })
diff --git a/pkgs/development/tools/parsing/alex/3.0.5.nix b/pkgs/development/tools/parsing/alex/3.0.5.nix
index c4458f7b829..af32598ee47 100644
--- a/pkgs/development/tools/parsing/alex/3.0.5.nix
+++ b/pkgs/development/tools/parsing/alex/3.0.5.nix
@@ -14,6 +14,7 @@ cabal.mkDerivation (self: {
     description = "Alex is a tool for generating lexical analysers in Haskell";
     license = self.stdenv.lib.licenses.bsd3;
     platforms = self.ghc.meta.platforms;
+    hydraPlatforms = self.stdenv.lib.platforms.none;
     maintainers = [ self.stdenv.lib.maintainers.andres ];
   };
 })