diff --git a/pkgs/development/idris-modules/default.nix b/pkgs/development/idris-modules/default.nix
index 47c6998a587..074a260b816 100644
--- a/pkgs/development/idris-modules/default.nix
+++ b/pkgs/development/idris-modules/default.nix
@@ -103,8 +103,6 @@
 
     html = callPackage ./html.nix {};
 
-    heyting-algebra = callPackage ./heyting-algebra.nix {};
-
     hezarfen = callPackage ./hezarfen.nix {};
 
     hrtime = callPackage ./hrtime.nix {};
diff --git a/pkgs/development/idris-modules/heyting-algebra.nix b/pkgs/development/idris-modules/heyting-algebra.nix
deleted file mode 100644
index 3fa546466c8..00000000000
--- a/pkgs/development/idris-modules/heyting-algebra.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-{ build-idris-package
-, fetchFromGitHub
-, contrib
-, lib
-}:
-build-idris-package  {
-  name = "heyting-algebra";
-  version = "2017-08-18";
-
-  idrisDeps = [ contrib ];
-
-  src = fetchFromGitHub {
-    owner = "Risto-Stevcev";
-    repo = "idris-heyting-algebra";
-    rev = "2c814c48246a5e19bff66e64a753208c7d59d397";
-    sha256 = "199cvhxiimlhchvsc66zwn0dls78f9lamam256ad65mv4cjmxv40";
-  };
-
-  meta = {
-    description = "Interfaces for heyting algebras and verified bounded join and meet semilattices";
-    homepage = https://github.com/Risto-Stevcev/idris-heyting-algebra;
-    license = lib.licenses.mit;
-    maintainers = [ lib.maintainers.brainrape ];
-  };
-}