diff --git a/packages/notes/change-filename-format.patch b/packages/notes/change-filename-format.patch
deleted file mode 100644
index 6baea3be..00000000
--- a/packages/notes/change-filename-format.patch
+++ /dev/null
@@ -1,13 +0,0 @@
-diff --git a/notes b/notes
-index 3351903..34364bf 100755
---- a/notes
-+++ b/notes
-@@ -14,7 +14,7 @@ set -e
- readonly NOTES_DIRECTORY="${NOTES_DIRECTORY:-${HOME}/notes}"
- readonly NOTES_EDITOR="${EDITOR}"
- 
--readonly NOTES_FILE="$(date +%Y-%m).txt"
-+readonly NOTES_FILE="$(date +%Y-%m-%d).txt"
- readonly NOTES_PATH="${NOTES_DIRECTORY}/${NOTES_FILE}"
- 
- if [ ! -d "${NOTES_DIRECTORY}" ]; then
diff --git a/packages/notes/default.nix b/packages/notes/default.nix
index bf70b196..0bf50ea4 100644
--- a/packages/notes/default.nix
+++ b/packages/notes/default.nix
@@ -15,10 +15,6 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ bash ];
 
-  patches = [
-    ./change-filename-format.patch
-  ];
-
   installPhase = ''
     mkdir -p $out/bin
     cp notes $out/bin/notes