diff --git a/pkgs/by-name/sv/svox/fix-compilation-darwin.patch b/pkgs/by-name/pi/picotts/fix-compilation-darwin.patch
similarity index 100%
rename from pkgs/by-name/sv/svox/fix-compilation-darwin.patch
rename to pkgs/by-name/pi/picotts/fix-compilation-darwin.patch
diff --git a/pkgs/by-name/pi/picotts/package.nix b/pkgs/by-name/pi/picotts/package.nix
index cd3f9c3764e6..3c45f83304bd 100644
--- a/pkgs/by-name/pi/picotts/package.nix
+++ b/pkgs/by-name/pi/picotts/package.nix
@@ -2,38 +2,44 @@
   lib,
   stdenv,
   fetchFromGitHub,
-  autoconf,
-  automake,
-  libtool,
+  autoreconfHook,
   popt,
 }:
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "picotts";
-  version = "0-unstable-2018-10-19";
+  version = "0-unstable-2021-05-06";
 
   src = fetchFromGitHub {
+    owner = "ihuguet";
     repo = "picotts";
-    owner = "naggety";
-    rev = "2f86050dc5da9ab68fc61510b594d8e6975c4d2d";
-    sha256 = "1k2mdv9llkh77jr4qr68yf0zgjqk87np35fgfmnc3rpdp538sccl";
+    rev = "21089d223e177ba3cb7e385db8613a093dff74b5";
+    sha256 = "sha256-NmmYa3mVUSMsLC1blFAET3zLY66anGY2ff6ZQ424h1s=";
   };
-  nativeBuildInputs = [
-    autoconf
-    automake
+
+  patches = [
+    # upstream PR: https://github.com/ihuguet/picotts/pull/14
+    ./fix-compilation-darwin.patch
   ];
+
+  postPatch = ''
+    cd pico
+  '';
+
+  nativeBuildInputs = [
+    autoreconfHook
+  ];
+
   buildInputs = [
-    libtool
     popt
   ];
-  sourceRoot = "${finalAttrs.src.name}/pico";
-  preConfigure = "./autogen.sh";
+
   meta = {
     description = "Text to speech voice sinthesizer from SVox";
-    homepage = "https://github.com/naggety/picotts";
+    homepage = "https://github.com/ihuguet/picotts";
     license = lib.licenses.asl20;
     maintainers = [ lib.maintainers.canndrew ];
-    platforms = lib.platforms.linux;
+    platforms = lib.platforms.unix;
     mainProgram = "pico2wave";
   };
 })
diff --git a/pkgs/by-name/sp/speechd/package.nix b/pkgs/by-name/sp/speechd/package.nix
index cb10fc36fa1f..c18482000427 100644
--- a/pkgs/by-name/sp/speechd/package.nix
+++ b/pkgs/by-name/sp/speechd/package.nix
@@ -16,7 +16,6 @@
   glib,
   dotconf,
   libsndfile,
-  runtimeShell,
   withLibao ? true,
   libao,
   withPulse ? false,
@@ -32,7 +31,7 @@
   pcaudiolib,
   mbrola,
   withPico ? true,
-  svox,
+  picotts,
   libsOnly ? false,
 }:
 
@@ -100,7 +99,7 @@ stdenv.mkDerivation (finalAttrs: {
     flite
   ]
   ++ lib.optionals withPico [
-    svox
+    picotts
   ];
 
   pythonPath = [
@@ -134,7 +133,7 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   postPatch = lib.optionalString withPico ''
-    substituteInPlace src/modules/pico.c --replace "/usr/share/pico/lang" "${svox}/share/pico/lang"
+    substituteInPlace src/modules/pico.c --replace "/usr/share/pico/lang" "${picotts}/share/pico/lang"
   '';
 
   installFlags = [
diff --git a/pkgs/by-name/sv/svox/package.nix b/pkgs/by-name/sv/svox/package.nix
deleted file mode 100644
index 6c329a30c110..000000000000
--- a/pkgs/by-name/sv/svox/package.nix
+++ /dev/null
@@ -1,42 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  autoreconfHook,
-  popt,
-}:
-
-stdenv.mkDerivation {
-  pname = "svox";
-  version = "0-unstable-2021-05-06";
-
-  # basically took the source code from android and borrowed autotool patches from debian
-  src = fetchFromGitHub {
-    owner = "naggety";
-    repo = "picotts";
-    rev = "21089d223e177ba3cb7e385db8613a093dff74b5";
-    hash = "sha256-NmmYa3mVUSMsLC1blFAET3zLY66anGY2ff6ZQ424h1s=";
-  };
-
-  patches = [
-    # upstream PR: https://github.com/ihuguet/picotts/pull/14
-    ./fix-compilation-darwin.patch
-  ];
-
-  postPatch = ''
-    cd pico
-  '';
-
-  buildInputs = [ popt ];
-
-  nativeBuildInputs = [ autoreconfHook ];
-
-  meta = {
-    description = "Text-to-speech engine";
-    homepage = "https://android.googlesource.com/platform/external/svox";
-    platforms = lib.platforms.unix;
-    license = lib.licenses.asl20;
-    maintainers = [ ];
-    mainProgram = "pico2wave";
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index c47699b58190..7bd18913e86f 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -2024,6 +2024,7 @@ mapAliases {
   superTux = warnAlias "'superTux' has been renamed to 'supertux'" supertux; # Added 2026-02-12
   superTuxKart = warnAlias "'superTuxKart' has been renamed to 'supertuxkart'" supertuxkart; # Added 2026-02-12
   surge-XT = warnAlias "'surge-XT' has been renamed to 'surge-xt'" surge-xt; # Added 2026-02-12
+  svox = warnAlias "'svox' has been renamed to/replaced by 'picotts'" picotts; # Added 2026-03-04
   svt-av1-psy = warnAlias "'svt-av1-psy' has been replaced by 'svt-av1-psyex'" svt-av1-psyex; # Added 2026-01-10
   swagger-cli = throw "'swagger-cli' has been removed as it is broken and unmaintained. Upstream suggests using 'redocly' instead"; # Added 2026-04-23
   swig4 = throw "'swig4' has been renamed to/replaced by 'swig'"; # Converted to throw 2025-10-27