diff --git a/pkgs/servers/klipper/klipper-firmware.nix b/pkgs/servers/klipper/klipper-firmware.nix
index 704a7310cb8c..3d37f91b11f6 100644
--- a/pkgs/servers/klipper/klipper-firmware.nix
+++ b/pkgs/servers/klipper/klipper-firmware.nix
@@ -6,7 +6,6 @@
 , libffi
 , libusb1
 , wxGTK30-gtk3
-, python2
 , python3
 , gcc-arm-embedded
 , klipper
@@ -20,7 +19,6 @@
   src = klipper.src;
 
   nativeBuildInputs = [
-    python2
     python3
     pkgsCross.avr.stdenv.cc
     gcc-arm-embedded
diff --git a/pkgs/servers/klipper/klipper-flash.nix b/pkgs/servers/klipper/klipper-flash.nix
index fedc477c2761..2f37745fd631 100644
--- a/pkgs/servers/klipper/klipper-flash.nix
+++ b/pkgs/servers/klipper/klipper-flash.nix
@@ -4,7 +4,7 @@
 , pkgsCross
 , klipper
 , klipper-firmware
-, python2
+, python3
 , avrdude
 , stm32flash
 , mcu ? "mcu"
@@ -19,7 +19,7 @@ in
 writeShellApplication {
   name = "klipper-flash-${mcu}";
   runtimeInputs = [
-    python2
+    python3
     pkgsCross.avr.stdenv.cc
     gnumake
   ] ++ lib.optionals (boardArch == "avr") [ avrdude ] ++ lib.optionals (boardArch == "stm32") [ stm32flash ];
diff --git a/pkgs/servers/klipper/klipper-genconf.nix b/pkgs/servers/klipper/klipper-genconf.nix
index 42eb519e8c19..d810bccd4366 100644
--- a/pkgs/servers/klipper/klipper-genconf.nix
+++ b/pkgs/servers/klipper/klipper-genconf.nix
@@ -1,12 +1,12 @@
 { writeShellApplication
 , klipper
-, python2
+, python3
 , gnumake
 , pkgsCross
 }: writeShellApplication {
   name = "klipper-genconf";
   runtimeInputs = [
-    python2
+    python3
     pkgsCross.avr.stdenv.cc
     gnumake
   ];