diff --git a/anjali-old-lipi/default.nix b/anjali-old-lipi/default.nix
deleted file mode 100644
index bdb5f0b..0000000
--- a/anjali-old-lipi/default.nix
+++ /dev/null
@@ -1,28 +0,0 @@
-{ pkgs, ... }:
-
-pkgs.stdenv.mkDerivation {
-  version = "7.1";
-  pname = "anjali-old-lipi";
-
-  src = pkgs.fetchzip {
-    url = "https://smc.org.in/downloads/fonts/anjalioldlipi/anjalioldlipi.zip";
-    hash = "sha256-c3ScpdN2h39Q6GLFL97pBBGrsillcMXmhlGilOAdF1w=";
-    stripRoot = false;
-  };
-
-  installPhase = ''
-    runHook preInstall
-
-    install -D -m444 -t $out/share/fonts/truetype $src/*.ttf
-
-    runHook postInstall
-  '';
-
-  meta = with pkgs.lib; {
-    homepage = "https://smc.org.in/fonts/manjari";
-    description = "Anjali Old Lipi Malayalam Typeface";
-    license = licenses.ofl;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ aashiks ];
-  };
-}
diff --git a/chilanka/default.nix b/chilanka/default.nix
deleted file mode 100644
index d186d9a..0000000
--- a/chilanka/default.nix
+++ /dev/null
@@ -1,28 +0,0 @@
-{ pkgs, ... }:
-
-pkgs.stdenv.mkDerivation {
-  version = "1.7";
-  pname = "chilanka";
-
-  src = pkgs.fetchzip {
-    url = "https://smc.org.in/downloads/fonts/chilanka/chilanka.zip";
-    hash = "sha256-z+pRvm/8alA3TbUBuR4oDD/kpvuXJTqOBlzXEKBZvnE=";
-    stripRoot = false;
-  };
-
-  installPhase = ''
-    runHook preInstall
-
-    install -D -m444 -t $out/share/fonts/truetype $src/*.ttf
-
-    runHook postInstall
-  '';
-
-  meta = with pkgs.lib; {
-    homepage = "https://smc.org.in/fonts/chilanka";
-    description = "Chilanka Malayalam Typeface";
-    license = licenses.ofl;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ aashiks ];
-  };
-}
diff --git a/gayathri/default.nix b/gayathri/default.nix
deleted file mode 100644
index c07ea47..0000000
--- a/gayathri/default.nix
+++ /dev/null
@@ -1,28 +0,0 @@
-{ pkgs, ... }:
-
-pkgs.stdenv.mkDerivation {
-  version = "1.300 ";
-  pname = "gayathri";
-
-  src = pkgs.fetchzip {
-    url = "https://smc.org.in/downloads/fonts/gayathri/gayathri.zip";
-    hash = "sha256-p9KZi31Na4hfUuDsKj4OXjc9s6J/8xMeuszlL5oVauQ=";
-    stripRoot = false;
-  };
-
-  installPhase = ''
-    runHook preInstall
-
-    install -D -m444 -t $out/share/fonts/opentype $src/*.otf
-
-    runHook postInstall
-  '';
-
-  meta = with pkgs.lib; {
-    homepage = "https://smc.org.in/fonts/gayathri";
-    description = "Chilanka Malayalam Typeface";
-    license = licenses.ofl;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ aashiks ];
-  };
-}
diff --git a/manjari/default.nix b/manjari/default.nix
deleted file mode 100644
index 7b1594c..0000000
--- a/manjari/default.nix
+++ /dev/null
@@ -1,28 +0,0 @@
-{ pkgs, ... }:
-
-pkgs.stdenv.mkDerivation {
-  version = "2.200";
-  pname = "manjari";
-
-  src = pkgs.fetchzip {
-    url = "https://smc.org.in/downloads/fonts/manjari/manjari.zip";
-    hash = "sha256-Sq/7UOBO54c3id6FMZeOmnZTRceEkMAAN8W+C7v7Mtw=";
-    stripRoot = false;
-  };
-
-  installPhase = ''
-    runHook preInstall
-
-    install -D -m444 -t $out/share/fonts/opentype $src/*.otf
-
-    runHook postInstall
-  '';
-
-  meta = with pkgs.lib; {
-    homepage = "https://smc.org.in/fonts/manjari";
-    description = "Manjari Malayalam Typeface";
-    license = licenses.ofl;
-    platforms = platforms.all;
-    maintainers = with maintainers; [ aashiks ];
-  };
-}