README.md: remove static build instructions.

Was not working anymore.

1 files changed, 0 insertions, 19 deletions

diff --git a/README.md b/README.md
index 9e886f9..e0cbcc0 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,6 @@
 **This is experimental and work in progress!** See [ghdl.rtfd.io: Using/Synthesis](http://ghdl.readthedocs.io/en/latest/using/Synthesis.html).
 
 - [Build as a module (shared library)](#build-as-a-module-shared-library)
-- [Build as part of yosys (not recommended)](#build-as-part-of-yosys-not-recommended)
 - [Usage](#Usage)
 - [Docker](#Docker)
 
@@ -47,24 +46,6 @@ yosys-config --exec mkdir -p --datdir/plugins
 yosys-config --exec ln -s "$GHDL_PREFIX/lib/ghdl_yosys.so" --datdir/plugins/ghdl.so
 ```
 
-## Build as part of yosys (not recommended)
-
-- Get and build ghdl as in the previous section.
-
-- Get [yosys](https://github.com/YosysHQ/yosys) sources.
-
-- Get ghdl-yosys-plugin and:
-  - Patch yosys sources using `yosys.diff`.
-  - Copy `src/*` to `yosys/frontends/ghdl`.
-  - Configure yosys by adding (to) `Makefile.conf`:
-
-```makefile
-ENABLE_GHDL := 1
-GHDL_DIR := <ghdl install dir>
-```
-
-- Build and install yosys.
-
 ## Usage
 
 Example for icestick, using ghdl, yosys, nextpnr and icestorm: