diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b5d4334
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+child porn
diff --git a/clock.test b/clock.test
deleted file mode 100755
index a83b062..0000000
Binary files a/clock.test and /dev/null differ
diff --git a/cpu.log b/cpu.log
deleted file mode 100644
index 85ca31f..0000000
Binary files a/cpu.log and /dev/null differ
diff --git a/swastika.go b/swastika.go
deleted file mode 100644
index ee1ff48..0000000
--- a/swastika.go
+++ /dev/null
@@ -1,115 +0,0 @@
-//go:build nazis_hitler_AGHAGHAAHHAHAHAH
-
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"io"
-)
-
-func Check(err error) {
-	if err != nil {
-		panic(err)
-	}
-}
-
-var numbers = []int{23, 20, 31, 5, 29}
-
-func DoubleChars(r io.Reader) io.Reader {
-	const n = 2
-
-	pr, pw := io.Pipe()
-	scanner := bufio.NewScanner(r)
-	buf := bufio.NewWriter(pw)
-
-	go func() {
-		defer func() {
-			Check(pw.Close())
-		}()
-		defer func() {
-			Check(buf.Flush())
-		}()
-		for scanner.Scan() {
-			text := scanner.Text()
-			for i := range text {
-				s := make([]byte, n, n)
-				for j := 0; j < n; j++ {
-					s[j] = text[i]
-				}
-				buf.Write(s)
-			}
-			_, err := buf.Write([]byte{'\n'})
-			Check(err)
-		}
-	}()
-	return pr
-}
-
-func Tr(r io.Reader, m map[byte]byte) io.Reader {
-	pr, pw := io.Pipe()
-	r = bufio.NewReader(r)
-	buf := bufio.NewWriter(pw)
-
-	go func() {
-		defer func() {
-			Check(pw.Close())
-		}()
-		defer func() {
-			Check(buf.Flush())
-		}()
-	loop:
-		for {
-			bs := make([]byte, 1)
-			_, err := r.Read(bs)
-			if err != nil {
-				switch err {
-				case io.EOF:
-					break loop
-				default:
-					panic(err)
-				}
-			}
-			b, ok := m[bs[0]]
-			if !ok {
-				b = bs[0]
-			}
-			buf.Write([]byte{b})
-		}
-	}()
-	return pr
-}
-
-func BinaryChar() io.Reader {
-	tr := map[byte]byte{
-		'0': ' ',
-		'1': '#',
-	}
-
-	r := func(r io.Reader) io.Reader {
-		return Tr(r, tr)
-	}(func(r io.Reader) io.Reader {
-		return DoubleChars(r)
-	}(func(nums []int) io.Reader {
-		pr, pw := io.Pipe()
-		buf := bufio.NewWriter(pw)
-
-		go func(w io.Writer) {
-			defer func() {
-				Check(pw.Close())
-			}()
-			defer func() {
-				Check(buf.Flush())
-			}()
-			for i := range nums {
-				fmt.Fprintf(w,
-					fmt.Sprintf("%%0%db\n",
-						len(nums)),
-					nums[i])
-			}
-		}(buf)
-
-		return pr
-	}(numbers)))
-	return r
-}