From a20c39cf1ca0c11cfe52cf2df6749c669b4faaa7 Mon Sep 17 00:00:00 2001
From: Kittywhiskers Van Gogh <63189531+kittywhiskers@users.noreply.github.com>
Date: Sun, 3 Mar 2019 11:22:36 -0500
Subject: [PATCH] merge bitcoin#15518: Remove ppa from linux build instructions

---
 doc/build-unix.md | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/doc/build-unix.md b/doc/build-unix.md
index 66c0f4209e..28a720dc7f 100644
--- a/doc/build-unix.md
+++ b/doc/build-unix.md
@@ -87,19 +87,13 @@ install necessary parts of boost:
 
 BerkeleyDB is required for the wallet.
 
-**For Ubuntu only:** db4.8 packages are available [here](https://launchpad.net/~bitcoin/+archive/bitcoin).
-You can add the repository and install using the following commands:
-
-    sudo apt-get install software-properties-common
-    sudo add-apt-repository ppa:bitcoin/bitcoin
-    sudo apt-get update
-    sudo apt-get install libdb4.8-dev libdb4.8++-dev
-
 Ubuntu and Debian have their own `libdb-dev` and `libdb++-dev` packages, but these will install
 BerkeleyDB 5.1 or later. This will break binary wallet compatibility with the distributed executables, which
 are based on BerkeleyDB 4.8. If you do not care about wallet compatibility,
 pass `--with-incompatible-bdb` to configure.
 
+Otherwise, you can build from self-compiled `depends` (see above).
+
 SQLite is required for the wallet:
 
     sudo apt install libsqlite3-dev