diff --git a/packages/cubelib/result b/packages/cubelib/result
deleted file mode 120000
index 12cfae0..0000000
--- a/packages/cubelib/result
+++ /dev/null
@@ -1 +0,0 @@
-/nix/store/zaxgv6nc3mia1lgwwkfazmqazdh299hf-cubelib
\ No newline at end of file
diff --git a/packages/cubew/result b/packages/cubew/result
deleted file mode 120000
index c39e0dd..0000000
--- a/packages/cubew/result
+++ /dev/null
@@ -1 +0,0 @@
-/nix/store/lzdccb2yrwnsif0rvb8rcnraw4yvb3fp-cubew
\ No newline at end of file
diff --git a/packages/opari2/default.nix b/packages/opari2/default.nix
deleted file mode 100644
index 34ffc3c..0000000
--- a/packages/opari2/default.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-{ stdenv
-, fetchzip
-, ...
-}:
-
-stdenv.mkDerivation rec {
-  name = "opari2";
-  version = "2.0.8";
-
-  src = fetchzip {
-    url = "https://perftools.pages.jsc.fz-juelich.de/cicd/${name}/tags/${name}-${version}/${name}-${version}.tar.gz";
-    hash = "sha256-vrgoUIV+dyVvYJigdu3XXVDzDQrZZo2mHrmm2orVMXI=";
-  };
-
-  nativeBuildInputs = [
-  ];
-
-  buildInputs = [
-  ];
-}
-
diff --git a/packages/opari2/result b/packages/opari2/result
deleted file mode 120000
index e7c96e4..0000000
--- a/packages/opari2/result
+++ /dev/null
@@ -1 +0,0 @@
-/nix/store/m9bi6nky6ldb7dim9l4dw1vhck06dfvd-opari2
\ No newline at end of file
diff --git a/packages/otf2/default.nix b/packages/otf2/default.nix
deleted file mode 100644
index b939a62..0000000
--- a/packages/otf2/default.nix
+++ /dev/null
@@ -1,15 +0,0 @@
-{ stdenv
-, fetchzip
-, ...
-}:
-
-stdenv.mkDerivation rec {
-  name = "otf2";
-  version = "3.0.3";
-
-  src = fetchzip {
-    url = "https://perftools.pages.jsc.fz-juelich.de/cicd/${name}/tags/${name}-${version}/${name}-${version}.tar.gz";
-    hash = "sha256-SELtnvnN6VNqJRZFU5SdOd19rAZHL8P9KZv8qu2uqu0=";
-  };
-}
-
diff --git a/packages/otf2/result b/packages/otf2/result
deleted file mode 120000
index 8dd42f5..0000000
--- a/packages/otf2/result
+++ /dev/null
@@ -1 +0,0 @@
-/nix/store/ibpvvkjkqg79j8jnm7539yjy938jlf9a-otf2
\ No newline at end of file
diff --git a/packages/scalasca/result b/packages/scalasca/result
deleted file mode 120000
index 45438e0..0000000
--- a/packages/scalasca/result
+++ /dev/null
@@ -1 +0,0 @@
-/nix/store/fy2y6jh57ps5vlfi0h3ll2dz4qsfh2k0-scalasca-2.6.1
\ No newline at end of file
diff --git a/packages/scorep/default.nix b/packages/scorep/default.nix
index 98e0ec1..0690801 100644
--- a/packages/scorep/default.nix
+++ b/packages/scorep/default.nix
@@ -6,10 +6,6 @@
 , which
 , pkg-config
 , callPackage
-, cubew ? callPackage ../cubew { }
-, cubelib ? callPackage ../cubelib { }
-, otf2 ? callPackage ../otf2 { }
-, opari2 ? callPackage ../opari2 { }
 , ...
 }:
 
@@ -35,10 +31,6 @@ stdenv.mkDerivation rec {
     openmpi
     libbfd
     papi
-    cubew
-    cubelib
-    otf2
-    opari2
   ];
 
   enableParallelBuilding = true;
diff --git a/packages/scorep/result b/packages/scorep/result
deleted file mode 120000
index 4c7b8c4..0000000
--- a/packages/scorep/result
+++ /dev/null
@@ -1 +0,0 @@
-/nix/store/6z986prqcs7l4jyhyf90q9nmpxh716ml-scorep-8.3
\ No newline at end of file
diff --git a/shared/packages.nix b/shared/packages.nix
index 843038a..8006731 100644
--- a/shared/packages.nix
+++ b/shared/packages.nix
@@ -5,10 +5,6 @@ with lib;
 {
   nixpkgs.overlays = [
     (self: super: {
-      cubelib = self.callPackage ../packages/cubelib { };
-      cubew = self.callPackage ../packages/cubew { };
-      opari2 = self.callPackage ../packages/opari2 { };
-      otf2 = self.callPackage ../packages/otf2 { };
       scalasca = self.callPackage ../packages/scalasca { };
       scorep = self.callPackage ../packages/scorep { };