diff --git a/core-util/src/main/java/org/signal/core/util/logging/GrowingBuffer.java b/core-util/src/main/java/org/signal/core/util/logging/GrowingBuffer.java
deleted file mode 100644
index 0108cc718..000000000
--- a/core-util/src/main/java/org/signal/core/util/logging/GrowingBuffer.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package org.signal.core.util.logging;
-
-public class GrowingBuffer {
-
-  private byte[] buffer;
-
-  public byte[] get(int minLength) {
-    if (buffer == null || buffer.length < minLength) {
-      buffer = new byte[minLength];
-    }
-    return buffer;
-  }
-}
diff --git a/core-util/src/main/java/org/signal/core/util/logging/LogFile.java b/core-util/src/main/java/org/signal/core/util/logging/LogFile.java
deleted file mode 100644
index b308a422a..000000000
--- a/core-util/src/main/java/org/signal/core/util/logging/LogFile.java
+++ /dev/null
@@ -1,137 +0,0 @@
-package org.signal.core.util.logging;
-
-import androidx.annotation.NonNull;
-
-import org.signal.core.util.Conversions;
-import org.signal.core.util.StreamUtil;
-
-import java.io.BufferedInputStream;
-import java.io.BufferedOutputStream;
-import java.io.EOFException;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.security.InvalidAlgorithmParameterException;
-import java.security.InvalidKeyException;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-
-import javax.crypto.BadPaddingException;
-import javax.crypto.Cipher;
-import javax.crypto.IllegalBlockSizeException;
-import javax.crypto.NoSuchPaddingException;
-import javax.crypto.ShortBufferException;
-import javax.crypto.spec.IvParameterSpec;
-import javax.crypto.spec.SecretKeySpec;
-
-class LogFile {
-
-  public static class Writer {
-
-    private final byte[]        ivBuffer         = new byte[16];
-    private final GrowingBuffer ciphertextBuffer = new GrowingBuffer();
-
-    private final byte[]               secret;
-    private final File                 file;
-    private final Cipher               cipher;
-    private final BufferedOutputStream outputStream;
-
-    Writer(@NonNull byte[] secret, @NonNull File file) throws IOException {
-      this.secret       = secret;
-      this.file         = file;
-      this.outputStream = new BufferedOutputStream(new FileOutputStream(file, true));
-
-      try {
-        this.cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
-      } catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
-        throw new AssertionError(e);
-      }
-    }
-
-    void writeEntry(@NonNull String entry) throws IOException {
-      new SecureRandom().nextBytes(ivBuffer);
-
-      byte[] plaintext = entry.getBytes();
-      try {
-        cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(secret, "AES"), new IvParameterSpec(ivBuffer));
-
-        int    cipherLength = cipher.getOutputSize(plaintext.length);
-        byte[] ciphertext   = ciphertextBuffer.get(cipherLength);
-        cipherLength = cipher.doFinal(plaintext, 0, plaintext.length, ciphertext);
-
-        outputStream.write(ivBuffer);
-        outputStream.write(Conversions.intToByteArray(cipherLength));
-        outputStream.write(ciphertext, 0, cipherLength);
-
-        outputStream.flush();
-      } catch (ShortBufferException | InvalidAlgorithmParameterException | InvalidKeyException | BadPaddingException | IllegalBlockSizeException e) {
-        throw new AssertionError(e);
-      }
-    }
-
-    long getLogSize() {
-      return file.length();
-    }
-
-    void close() {
-      StreamUtil.close(outputStream);
-    }
-  }
-
-  static class Reader {
-
-    private final byte[]        ivBuffer         = new byte[16];
-    private final byte[]        intBuffer        = new byte[4];
-    private final GrowingBuffer ciphertextBuffer = new GrowingBuffer();
-
-    private final byte[]              secret;
-    private final Cipher              cipher;
-    private final BufferedInputStream inputStream;
-
-    Reader(@NonNull byte[] secret, @NonNull File file) throws IOException {
-      this.secret      = secret;
-      this.inputStream = new BufferedInputStream(new FileInputStream(file));
-
-      try {
-        this.cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
-      } catch (NoSuchAlgorithmException | NoSuchPaddingException e) {
-        throw new AssertionError(e);
-      }
-    }
-
-    String readAll() throws IOException {
-      StringBuilder builder = new StringBuilder();
-
-      String entry;
-      while ((entry = readEntry()) != null) {
-        builder.append(entry).append('\n');
-      }
-
-      return builder.toString();
-    }
-
-    private String readEntry() throws IOException {
-      try {
-        StreamUtil.readFully(inputStream, ivBuffer);
-        StreamUtil.readFully(inputStream, intBuffer);
-
-        int    length     = Conversions.byteArrayToInt(intBuffer);
-        byte[] ciphertext = ciphertextBuffer.get(length);
-
-        StreamUtil.readFully(inputStream, ciphertext, length);
-
-        try {
-          cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(secret, "AES"), new IvParameterSpec(ivBuffer));
-          byte[] plaintext = cipher.doFinal(ciphertext, 0, length);
-
-          return new String(plaintext);
-        } catch (InvalidKeyException | InvalidAlgorithmParameterException | IllegalBlockSizeException | BadPaddingException e) {
-          throw new AssertionError(e);
-        }
-      } catch (EOFException e) {
-        return null;
-      }
-    }
-  }
-}