diff --git a/.idea/.gitignore b/.idea/.gitignore
deleted file mode 100644
index 26d3352..0000000
--- a/.idea/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index f5bd2df..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 1bc3fd0..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/countDigitsIterative.iml" filepath="$PROJECT_DIR$/countDigitsIterative.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/out/production/countDigitsIterative/.envrc b/out/production/countDigitsIterative/.envrc
deleted file mode 100644
index a5dbbcb..0000000
--- a/out/production/countDigitsIterative/.envrc
+++ /dev/null
@@ -1 +0,0 @@
-use flake .
diff --git a/out/production/countDigitsIterative/.gitignore b/out/production/countDigitsIterative/.gitignore
deleted file mode 100644
index 524f096..0000000
--- a/out/production/countDigitsIterative/.gitignore
+++ /dev/null
@@ -1,24 +0,0 @@
-# Compiled class file
-*.class
-
-# Log file
-*.log
-
-# BlueJ files
-*.ctxt
-
-# Mobile Tools for Java (J2ME)
-.mtj.tmp/
-
-# Package Files #
-*.jar
-*.war
-*.nar
-*.ear
-*.zip
-*.tar.gz
-*.rar
-
-# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
-hs_err_pid*
-replay_pid*
diff --git a/out/production/countDigitsIterative/.idea/.gitignore b/out/production/countDigitsIterative/.idea/.gitignore
deleted file mode 100644
index 26d3352..0000000
--- a/out/production/countDigitsIterative/.idea/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-# Default ignored files
-/shelf/
-/workspace.xml
diff --git a/out/production/countDigitsIterative/.idea/misc.xml b/out/production/countDigitsIterative/.idea/misc.xml
deleted file mode 100644
index f5bd2df..0000000
--- a/out/production/countDigitsIterative/.idea/misc.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="openjdk-25" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/out/production/countDigitsIterative/.idea/modules.xml b/out/production/countDigitsIterative/.idea/modules.xml
deleted file mode 100644
index 1bc3fd0..0000000
--- a/out/production/countDigitsIterative/.idea/modules.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/countDigitsIterative.iml" filepath="$PROJECT_DIR$/countDigitsIterative.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/out/production/countDigitsIterative/GNUmakefile b/out/production/countDigitsIterative/GNUmakefile
deleted file mode 100644
index 2ab9f2e..0000000
--- a/out/production/countDigitsIterative/GNUmakefile
+++ /dev/null
@@ -1,12 +0,0 @@
-JAVA_FMT   = google-java-format
-JAVA_FILES = $(shell find . -name '*.java')
-XML_FMT = xmlindent
-XML_FILES = $(shell find . -name '*.xml')
-
-.PHONY: fmt
-fmt:
-	@echo "Formatting all Java files..."
-	@for f in $(JAVA_FILES); do \
-		echo "  $$f"; \
-		$(JAVA_FMT) -i $$f; \
-	done
diff --git a/out/production/countDigitsIterative/README.md b/out/production/countDigitsIterative/README.md
deleted file mode 100644
index ad6a84d..0000000
--- a/out/production/countDigitsIterative/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# Count digits
-Count digits teilt die Zahl n durch 10 und gibt danach die zahl zurück als int wie oft die zahl teilbar ist.
\ No newline at end of file
diff --git a/out/production/countDigitsIterative/countDigitsIterative.iml b/out/production/countDigitsIterative/countDigitsIterative.iml
deleted file mode 100644
index b107a2d..0000000
--- a/out/production/countDigitsIterative/countDigitsIterative.iml
+++ /dev/null
@@ -1,11 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$" isTestSource="false" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/out/production/countDigitsIterative/flake.lock b/out/production/countDigitsIterative/flake.lock
deleted file mode 100644
index ddd599d..0000000
--- a/out/production/countDigitsIterative/flake.lock
+++ /dev/null
@@ -1,61 +0,0 @@
-{
-  "nodes": {
-    "flake-parts": {
-      "inputs": {
-        "nixpkgs-lib": "nixpkgs-lib"
-      },
-      "locked": {
-        "lastModified": 1762980239,
-        "narHash": "sha256-8oNVE8TrD19ulHinjaqONf9QWCKK+w4url56cdStMpM=",
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "rev": "52a2caecc898d0b46b2b905f058ccc5081f842da",
-        "type": "github"
-      },
-      "original": {
-        "owner": "hercules-ci",
-        "repo": "flake-parts",
-        "type": "github"
-      }
-    },
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1762977756,
-        "narHash": "sha256-4PqRErxfe+2toFJFgcRKZ0UI9NSIOJa+7RXVtBhy4KE=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "c5ae371f1a6a7fd27823bc500d9390b38c05fa55",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs-lib": {
-      "locked": {
-        "lastModified": 1761765539,
-        "narHash": "sha256-b0yj6kfvO8ApcSE+QmA6mUfu8IYG6/uU28OFn4PaC8M=",
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "rev": "719359f4562934ae99f5443f20aa06c2ffff91fc",
-        "type": "github"
-      },
-      "original": {
-        "owner": "nix-community",
-        "repo": "nixpkgs.lib",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "flake-parts": "flake-parts",
-        "nixpkgs": "nixpkgs"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}
diff --git a/out/production/countDigitsIterative/flake.nix b/out/production/countDigitsIterative/flake.nix
deleted file mode 100644
index 5308613..0000000
--- a/out/production/countDigitsIterative/flake.nix
+++ /dev/null
@@ -1,57 +0,0 @@
-{
-  description = "count digits iterativ";
-
-  inputs = {
-    flake-parts.url = "github:hercules-ci/flake-parts";
-    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
-  };
-
-  outputs = inputs@{ flake-parts, ... }:
-    flake-parts.lib.mkFlake { inherit inputs; } {
-      imports = [
-      ];
-      systems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" "x86_64-darwin" ];
-      perSystem = { config, self', inputs', pkgs, system, ... }: let
-
-        jdk = pkgs.jdk21.override {
-        };
-
-        buildInputs = [
-          jdk
-        ];
-
-        devTools = [
-          pkgs.google-java-format
-        ];
-
-      in {
-        devShells.default = pkgs.mkShell {
-          buildInputs = buildInputs ++ devTools;
-        };
-
-        packages = {
-          default = pkgs.stdenv.mkDerivation {
-            pname = "count-digits-iterativ";
-            version = "1.0.0";
-
-            src = ./.;
-
-            nativeBuildInputs = buildInputs ++ [ pkgs.makeWrapper ];
-                                    
-            buildPhase = ''
-              javac -Werror -g:none -deprecation -verbose Main.java
-            '';
-
-            installPhase = ''
-              mkdir -p $out/{bin,lib}
-              cp *.class $out/lib
-
-              makeWrapper ${pkgs.lib.getExe jdk} $out/bin/count-digits-iterativ --add-flags "-cp $out/lib/ Main"
-            '';
-          };
-        };
-      };
-      flake = {
-      };
-    };
-}