diff --git a/install-mpsd-software-environment.py b/install-mpsd-software-environment.py
index 6ddedef79261a4f16800a62b048b3684e9f08c20..6bf9b23ca65f0a9e72b120d0caa4bc15fc59e6df 100644
--- a/install-mpsd-software-environment.py
+++ b/install-mpsd-software-environment.py
@@ -84,89 +84,6 @@ class builder:
         else:
             self.prepare_env()
 
-    def build_toolchains(
-        mpsd_spack_ver=None,
-        toolchain_list=None,
-        toolchain_base_dir="/opt_mpsd/",
-        skip_build_cache=False,
-        skip_dir_check=False,
-    ):
-        mpsd_os = os.environ["MPSD_OS"]
-        mpsd_microarch = os.environ["MPSD_MICROARCH"]
-        current_branch = (
-            subprocess.run(
-                ["git", "rev-parse", "--abbrev-ref", "HEAD"], stdout=subprocess.PIPE
-            )
-            .stdout.decode()
-            .strip()
-        )
-        current_commit_hash = subprocess.run(
-            ["git", "rev-parse", "--short", "HEAD"], stdout=subprocess.PIPE
-        )
-        current_dir = os.getcwd()
-
-        # Checks
-
-        ## Check that some mpsd_spack_ver is passed.
-        if mpsd_spack_ver is None:
-            raise ValueError(
-                "Error: MPSD_SPACK_VER not passed. Please pass the MPSD Software stack version."
-            )
-        ## Check if toolchains directory exists
-        spack_env_path = os.path.join(toolchain_base_dir, mpsd_os, mpsd_spack_ver)
-        toolchains_path = os.path.join(spack_env_path, mpsd_microarch)
-        if not os.path.exists(toolchains_path):
-            os.makedirs(toolchains_path)
-        else:
-            if not skip_dir_check:
-                raise ValueError(
-                    f"Error: Toolchains directory {toolchains_path} already exists. \n\
-                    Please remove it and try again."
-                )
-        ### Clone spack-env repo at spack_env_path
-        with os.chdir(spack_env_path + "/spack-environments"):
-            subprocess.run(
-                "git clone git@gitlab.gwdg.de:mpsd-cs/spack-environments.git .",
-                shell=True,
-                check=True,
-            )
-            subprocess.run(f"git checkout {mpsd_spack_ver}", shell=True, check=True)
-        ## Check if TOOLCHAIN_LIST is valid
-        available_toolchains = os.listdir("toolchains")
-
-        if skip_build_cache:
-            flags = "-b"
-        else:
-            flags = ""
-
-        if toolchain_list is None:
-            toolchains = available_toolchains
-        else:
-            toolchains = toolchain_list.split(",")
-            # if not set(toolchains)<=set(available_toolchains):
-            for toolchain in toolchains:
-                if toolchain not in available_toolchains:
-                    raise ValueError(
-                        f"Error: Toolchain '{toolchain}' not found in toolchains directory. \n\
-                        Please check the toolchain argument and try again."
-                    )
-
-        # Build toolchains
-
-        log_file = (
-            f"build_toolchains_{mpsd_spack_ver}_{time.strftime('%Y%m%d-%H%M%S')}.log"
-        )
-        print(f"Building at {toolchains_path}...")
-        for toolchain in toolchains:
-            with os_chdir(toolchains_path):
-                print(f">>>> Building {toolchain}...")
-                subprocess.run(
-                    f" bash {spack_env_path}/spack-environments/spack_setup.sh {flags} {toolchain}|tee -a {log_file} 2>&1",
-                    shell=True,
-                    check=True,
-                )
-                # copy the octopus configs to the toolchain directory
-                # subprocess.run(f"cp -r {current_dir}/octopus
 
     def prepare_env(self):
         if not os.path.exists(self.toolchain_base_dir):