diff --git a/pkgs/by-name/op/opentimelineio/package.nix b/pkgs/by-name/op/opentimelineio/package.nix
index d309537ed0ce..bdb239cb635b 100644
--- a/pkgs/by-name/op/opentimelineio/package.nix
+++ b/pkgs/by-name/op/opentimelineio/package.nix
@@ -9,13 +9,13 @@
 
 stdenv.mkDerivation rec {
   pname = "opentimelineio";
-  version = "0.17.0";
+  version = "0.18.1";
 
   src = fetchFromGitHub {
     owner = "AcademySoftwareFoundation";
     repo = "OpenTimelineIO";
     rev = "v${version}";
-    hash = "sha256-53KXjbhHxuEtu6iRGWrirvFamuZ/WbOTcKCfs1iqKmM=";
+    hash = "sha256-PEqQraLx6wiJecytp37q15VayOn2fvaSlOeLs3qrRqo=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/by-name/ot/otio/package.nix b/pkgs/by-name/ot/otio/package.nix
deleted file mode 100644
index efcb1fb0f8ed..000000000000
--- a/pkgs/by-name/ot/otio/package.nix
+++ /dev/null
@@ -1,48 +0,0 @@
-{
-  lib,
-  stdenv,
-  cmake,
-  fetchFromGitHub,
-  imath,
-  python3,
-  rapidjson,
-}:
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "otio";
-  version = "0.17.0";
-
-  src = fetchFromGitHub {
-    owner = "AcademySoftwareFoundation";
-    repo = "OpenTimelineIO";
-    tag = "v${finalAttrs.version}";
-    hash = "sha256-53KXjbhHxuEtu6iRGWrirvFamuZ/WbOTcKCfs1iqKmM=";
-  };
-
-  nativeBuildInputs = [
-    cmake
-    python3
-  ];
-
-  buildInputs = [
-    imath
-    rapidjson
-  ];
-
-  cmakeFlags = [
-    (lib.cmakeBool "OTIO_PYTHON_INSTALL" false)
-    (lib.cmakeBool "OTIO_DEPENDENCIES_INSTALL" false)
-    (lib.cmakeBool "OTIO_FIND_IMATH" true)
-    (lib.cmakeBool "OTIO_SHARED_LIBS" true)
-    (lib.cmakeBool "OTIO_AUTOMATIC_SUBMODULES" false)
-  ];
-
-  meta = {
-    description = "Interchange format and API for editorial cut information";
-    homepage = "http://opentimeline.io/";
-    changelog = "https://github.com/AcademySoftwareFoundation/OpenTimelineIO/releases/tag/v${finalAttrs.version}";
-    license = lib.licenses.asl20;
-    maintainers = with lib.maintainers; [ liberodark ];
-    platforms = lib.platforms.linux;
-  };
-})