diff --git a/README.md b/README.md
index ec3b708..746c050 100644
--- a/README.md
+++ b/README.md
@@ -14,23 +14,6 @@ The following Docker files are available:
 
 see [./dev](./dev) or [./prod](./prod) directories for docker images used for 
 gammasim-tools development or production. Main difference is:
-- [prod](prod/README.md): includes gammasim-tools and corsika/sim_telarray installation
+- [prod](prod/README.md): includes gammasim-tools and corsika/sim_telarray installation (**expermental - not working yet**)
 - [dev](dev/README.md): includes corsika/sim_telarray, a full latex installation and expects the gammasim-tools installation in the `./external` directory
 
-## Running a gammasim-tools Container
-
-```
-docker run --rm -it -v "$(pwd)/external:/workdir/external" gammasim-tools-dev bash
-```
-
-# Building corsika/sim_telarray
-
-```
-build_all prod5 qgs2 gsl
-```
-
-or use the following Makefile options:
-
-```
-EXTRA_DEFINES="-DCTA_PROD4 -DMAXIMUM_TELESCOPES=180 -DWITH_GSL_RNG"
-```