diff --git a/varats/varats/benchbuild/.benchbuild.yml b/varats/varats/benchbuild/.benchbuild.yml
deleted file mode 100644
index 27453d384..000000000
--- a/varats/varats/benchbuild/.benchbuild.yml
+++ /dev/null
@@ -1,521 +0,0 @@
-benchbuild_ebuild:
-    default: ''
-    value: ''
-bootstrap:
-    install:
-        default: true
-        desc: Should we try to install packages automatically?
-        value: true
-    packages:
-        default: &id001
-        - mkdir
-        - git
-        - tar
-        - mv
-        - rm
-        - bash
-        - rmdir
-        - time
-        - chmod
-        - cp
-        - ln
-        - make
-        - unzip
-        - cat
-        - patch
-        - find
-        - echo
-        - grep
-        - sed
-        - sh
-        - autoreconf
-        - ruby
-        - curl
-        - tail
-        - kill
-        - virtualenv
-        - timeout
-        desc: List of packages that we require to be installed on the system.
-        value: *id001
-build_dir:
-    default: !create-if-needed '/scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/results'
-    desc: build directory of benchbuild. All intermediate projects will be placed
-        here
-    value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/results
-clean:
-    default: true
-    desc: Clean temporary objects, after completion.
-    value: false
-compiler:
-    c:
-        default: clang
-        desc: The C compiler we should use.
-        value: clang
-    cxx:
-        default: clang++
-        desc: The C++ compiler we should use.
-        value: clang++
-config_file:
-    default: null
-    desc: Config file path of benchbuild. Not guaranteed to exist.
-    value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/.benchbuild.yml
-container:
-    export:
-        default: !create-if-needed '/scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/containers/export'
-        desc: Export path for container images.
-        value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/containers/export
-    from_source:
-        default: false
-        desc: Install benchbuild from source or from pip (default)
-        value: false
-    images:
-        default: &id002
-            gentoo: gentoo.tar.bz2
-            ubuntu: ubuntu.tar.bz2
-        value: *id002
-    import:
-        default: !create-if-needed '/scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/containers/export'
-        desc: Import path for container images.
-        value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/containers/export
-    input:
-        default: container.tar.bz2
-        desc: Input container file/folder.
-        value: container.tar.bz2
-    interactive:
-        default: false
-        desc: Drop into an interactive shell for all container runs
-        value: false
-    keep:
-        default: false
-        desc: Keep failed image builds at their last known good state.
-        value: false
-    keep_suffix:
-        default: failed
-        desc: Suffix to add to failed image builds, if we keep them.
-        value: failed
-    known:
-        default: &id003 []
-        desc: 'List of known containers. Format: [{ ''path'': <path>,   ''hash'':
-            <hash> }]'
-        value: *id003
-    mounts:
-        default: []
-        desc: List of paths that will be mounted inside the container.
-        value:
-        -   - /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/results
-            - /varats_root/results
-        -   - /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/BC_files
-            - /varats_root/BC_files
-        -   - /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/paper_configs
-            - /varats_root/paper_configs
-    output:
-        default: container-out.tar.bz2
-        desc: Output container file.
-        value: container-out.tar.bz2
-    prefered:
-        default: &id004 []
-        desc: 'List of containers of which the project can chose from.Format:[{ ''path'':
-            <path> }]'
-        value: *id004
-    prefixes:
-        default: &id005 []
-        desc: List of paths that will be treated as an existing prefix inside a container.
-        value: *id005
-    replace:
-        default: false
-        desc: Replace existing container images.
-        value: false
-    root:
-        default: !create-if-needed '/scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/containers/lib'
-        desc: Permanent storage for container images
-        value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/containers/lib
-    runroot:
-        default: !create-if-needed '/scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/containers/run'
-        desc: Runtime storage for containers
-        value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/containers/run
-    runtime:
-        default: /usr/bin/crun
-        desc: Default container runtime used by podman
-        value: /usr/bin/crun
-    shell:
-        default: /bin/bash
-        desc: Command string that should be used as shell command.
-        value: /bin/bash
-    source:
-        default: !create-if-needed '/scratch/s8ttschi/VaRA-Tool-Suite/varats/varats'
-        desc: Path to benchbuild's source directory
-        value: null
-    storage_driver:
-        default: null
-        desc: Storage driver for containers.If 'null' use podman's default.
-        value: null
-    storage_opts:
-        default: &id006 []
-        desc: Storage options for containers.If 'null', ignore 'storage.conf'.
-        value: *id006
-    strategy:
-        dummy:
-            default: null
-            desc: dummy value
-            value: null
-        polyjit:
-            packages:
-                default: &id007
-                -   env:
-                        ACCEPT_KEYWORDS: ~amd64
-                        USE: -filecaps
-                    name: sys-devel/gcc:5.4.0
-                -   env: {}
-                    name: dev-db/postgresql:9.5
-                -   env: {}
-                    name: dev-python/pip
-                -   env: {}
-                    name: net-misc/curl
-                -   env:
-                        ACCEPT_KEYWORDS: ~amd64
-                        USE: -filecaps
-                    name: sys-apps/likwid
-                -   env:
-                        ACCEPT_KEYWORDS: ~amd64
-                        USE: static-libs
-                    name: dev-libs/libpfm
-                -   env: {}
-                    name: sys-process/time
-                -   env:
-                        ACCEPT_KEYWORDS: ~amd64
-                    name: =dev-util/boost-build-1.58.0
-                -   env:
-                        ACCEPT_KEYWORDS: ~amd64
-                    name: =dev-libs/boost-1.62-r1
-                -   env: {}
-                    name: dev-libs/libpqxx
-                -   env:
-                        ACCEPT_KEYWORDS: ~amd64
-                    name: dev-lang/python-3.5.3
-                -   env:
-                        ACCEPT_KEYWORDS: ~amd64
-                    name: dev-python/dill
-                desc: A list of gentoo package atoms that should be merged.
-                value: *id007
-            sync:
-                default: true
-                desc: Update portage tree?
-                value: true
-            upgrade:
-                default: true
-                desc: Upgrade all packages?
-                value: true
-coverage:
-    collect:
-        default: false
-        desc: Should benchuild collect coverage inside wrapped binaries.
-        value: false
-    config:
-        default: .coveragerc
-        desc: Where is the coverage config?
-        value: .coveragerc
-    path:
-        default: null
-        desc: Where should the coverage files be placed?
-        value: null
-db:
-    connect_string:
-        default: sqlite://
-        desc: sqlalchemy connect string
-        value: sqlite://
-    create_functions:
-        default: false
-        desc: Should we recreate our SQL functions from scratch?
-        value: false
-    enabled:
-        default: false
-        desc: Whether the database is enabled.
-        value: false
-    rollback:
-        default: false
-        desc: Rollback all operations after benchbuild completes.
-        value: false
-debug:
-    default: false
-    desc: Should debug logging be enabled?
-    value: false
-env:
-    default: {}
-    desc: The environment benchbuild's commands should operate in.
-    value:
-        PATH:
-        - /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/tools/VaRA/bin
-experiments:
-    default: &id008
-        empty: 3c18f1fd-d252-4bc9-9edb-242d814c3da5
-    desc: Dictionary of all experiments we want a defined uuid for.
-    value: *id008
-force_tty:
-    default: false
-    desc: Assume an active TTY.
-    value: false
-force_watch_unbuffered:
-    default: false
-    desc: Force watched commands to output unbuffered.
-    value: false
-gentoo:
-    autotest_lang:
-        default: &id009 []
-        desc: Language filter for ebuilds, like C or C++.
-        value: *id009
-    autotest_loc:
-        default: /tmp/gentoo-autotest
-        desc: Location for the list of auto generated ebuilds.
-        value: /tmp/gentoo-autotest
-    autotest_use:
-        default: &id010 []
-        desc: USE filter for ebuilds. Filters packages without the given use flags.
-        value: *id010
-    ftp_proxy:
-        default: null
-        desc: FTP Proxy to use for downloads.
-        value: null
-    http_proxy:
-        default: null
-        desc: HTTP Proxy to use for downloads.
-        value: null
-    rsync_proxy:
-        default: null
-        desc: RSYNC Proxy to use for downloads.
-        value: null
-jobs:
-    default: '128'
-    desc: Number of jobs that can be used for building and running.
-    value: '4'
-parallel_processes:
-    default: 1
-    desc: Proccesses use to work on execution plans.
-    value: 1
-plugins:
-    autoload:
-        default: true
-        desc: Should automatic load of plugins be enabled?
-        value: true
-    experiments:
-        default: &id011
-        - varats.experiments.base.just_compile
-        - varats.experiments.base.time_workloads
-        - varats.experiments.phasar.global_analysis_compare
-        - varats.experiments.phasar.ide_linear_constant_experiment
-        - varats.experiments.szz.pydriller_szz_experiment
-        - varats.experiments.szz.szz_unleashed_experiment
-        - varats.experiments.vara.agg_region_interaction_perf_runner
-        - varats.experiments.vara.blame_report_experiment
-        - varats.experiments.vara.blame_verifier_experiment
-        - varats.experiments.vara.commit_report_experiment
-        - varats.experiments.vara.feature_perf_runner
-        - varats.experiments.vara.feature_perf_sampling
-        - varats.experiments.vara.feature_perf_tracing
-        - varats.experiments.vara.feature_tracing_stats
-        - varats.experiments.vara.feature_instrumentation_points
-        - varats.experiments.vara.instrumentation_verifier
-        - varats.experiments.vara.marker_tester
-        - varats.experiments.vara.phasar_fta
-        - varats.experiments.vara.feature_region_verifier_experiment
-        - varats.experiments.vara.test_runner
-        - varats.experiments.vara.test2
-        desc: The experiment plugins we know about.
-        value: *id011
-    projects:
-        default: &id012
-        - varats.projects.c_projects.asterisk
-        - varats.projects.c_projects.bison
-        - varats.projects.c_projects.bitlbee
-        - varats.projects.c_projects.busybox
-        - varats.projects.c_projects.brotli
-        - varats.projects.c_projects.bzip2
-        - varats.projects.c_projects.coreutils
-        - varats.projects.c_projects.curl
-        - varats.projects.c_projects.file
-        - varats.projects.c_projects.gawk
-        - varats.projects.c_projects.git
-        - varats.projects.c_projects.glib
-        - varats.projects.c_projects.glibc
-        - varats.projects.c_projects.gravity
-        - varats.projects.c_projects.grep
-        - varats.projects.c_projects.gzip
-        - varats.projects.c_projects.htop
-        - varats.projects.c_projects.hypre
-        - varats.projects.c_projects.irssi
-        - varats.projects.c_projects.libjpeg_turbo
-        - varats.projects.c_projects.libpng
-        - varats.projects.c_projects.libsigrok
-        - varats.projects.c_projects.libssh
-        - varats.projects.c_projects.libtiff
-        - varats.projects.c_projects.libvpx
-        - varats.projects.c_projects.libxml2
-        - varats.projects.c_projects.lrzip
-        - varats.projects.c_projects.lz4
-        - varats.projects.c_projects.openssl
-        - varats.projects.c_projects.openvpn
-        - varats.projects.c_projects.opus
-        - varats.projects.c_projects.picosat
-        - varats.projects.c_projects.qemu
-        - varats.projects.c_projects.redis
-        - varats.projects.c_projects.tig
-        - varats.projects.c_projects.tmux
-        - varats.projects.c_projects.vim
-        - varats.projects.c_projects.x264
-        - varats.projects.c_projects.xz
-        - varats.projects.cpp_projects.clasp
-        - varats.projects.cpp_projects.fast_downward
-        - varats.projects.cpp_projects.libzmq
-        - varats.projects.cpp_projects.mongodb
-        - varats.projects.cpp_projects.opencv
-        - varats.projects.cpp_projects.poppler
-        - varats.projects.cpp_projects.z3
-        - varats.projects.cpp_projects.ect
-        - varats.projects.cpp_projects.lepton
-        - varats.projects.cpp_projects.dune
-        - varats.projects.cpp_projects.doxygen
-        - varats.projects.cpp_projects.two_libs_one_project_interaction_discrete_libs_single_project
-        - varats.projects.test_projects.basic_tests
-        - varats.projects.test_projects.bug_provider_test_repos
-        - varats.projects.test_projects.example_test_repo
-        - varats.projects.test_projects.feature_test_repo
-        - varats.projects.test_projects.linker_check
-        - varats.projects.test_projects.taint_tests
-        - varats.projects.test_projects.multi_author_coordination
-        - varats.projects.test_projects.test_suite
-        - varats.projects.perf_tests.feature_perf_cs_collection
-        - varats.projects.perf_tests.feature_perf_regression
-        desc: The project plugins we know about.
-        value: *id012
-projects:
-    value:
-        polybench:
-            verify:
-                default: true
-                desc: Verify results with POLYBENCH_DUMP_ARRAYS.
-                value: true
-            workload:
-                default: EXTRALARGE_DATASET
-                desc: Control the dataset variable for polybench.
-                value: EXTRALARGE_DATASET
-regression_prefix:
-    default: /tmp/benchbuild-regressions
-    value: /tmp/benchbuild-regressions
-sequence:
-    default: no_preperation
-    desc: The name of the sequence that should be used for preoptimization.
-    value: no_preperation
-slurm:
-    account:
-        default: cl
-        desc: The SLURM account to use by default.
-        value: anywhere
-    container_root:
-        default: null
-        desc: Permanent storage for container images
-        value: null
-    container_runroot:
-        default: null
-        desc: Runtime storage for containers
-        value: null
-    cpus_per_task:
-        default: 10
-        desc: Number of CPUs that should be requested from SLURM. Used by external
-            tools.
-        value: 10
-    exclusive:
-        default: true
-        desc: Shall we reserve a node exclusively, or share it with others?
-        value: true
-    extra_log:
-        default: /tmp/.slurm
-        desc: Extra log file to be managed by SLURM
-        value: /tmp/.slurm
-    logs:
-        default: slurm.log
-        desc: Location the SLURM logs will be stored
-        value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/slurm_logs
-    max_running:
-        default: 0
-        desc: Limit the number of concurrent running array jobs
-        value: 0
-    multithread:
-        default: false
-        desc: Hint SLURM to disable multithreading. False adds --hint=nomultithread.
-        value: false
-    nice:
-        default: 0
-        desc: Add a niceness value on our priority
-        value: 0
-    nice_clean:
-        default: 2500
-        desc: Add a niceness value on our cleanup job priority
-        value: 2500
-    node_dir:
-        default: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/results
-        desc: Node directory, when executing on a cluster node. This is not used by
-            benchbuild directly, but by external scripts.
-        value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/results
-    node_image:
-        default: ./llvm.tar.gz
-        desc: Path to the archive we want on each cluster node.
-        value: ./llvm.tar.gz
-    partition:
-        default: chimaira
-        desc: The SLURM partition to use by default.
-        value: anywhere
-    script:
-        default: slurm.sh
-        desc: Name of the script that can be passed to SLURM. Used by external tools.
-        value: slurm.sh
-    template:
-        default: misc/slurm.sh.inc
-        desc: Template used to generate a SLURM script.
-        value: misc/slurm.sh.inc
-    timelimit:
-        default: '12:00:00'
-        desc: The timelimit we want to give to a job
-        value: '12:00:00'
-    turbo:
-        default: false
-        desc: Enable Intel Turbo Boost via SLURM. False adds --pstate-turbo=off.
-        value: false
-source_dir:
-    default: null
-    desc: Path to a benchbuild source directory. For developers only.
-    value: null
-tmp_dir:
-    default: !create-if-needed '/scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/tmp'
-    desc: Temporary dir. This will be used for caching downloads.
-    value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/tmp
-uchroot:
-    repo:
-        default: https://github.com/PolyJIT/erlent.git/
-        desc: GIT Repo URL for erlent.
-        value: https://github.com/PolyJIT/erlent.git/
-unionfs:
-    enable:
-        default: false
-        desc: Wrap all project operations in a unionfs filesystem.
-        value: false
-    rw:
-        default: rw
-        desc: Name of the image directory
-        value: rw
-varats:
-    outfile:
-        default: ''
-        desc: Path to store results of VaRA CFR analysis.
-        value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/results
-    result:
-        default: missingPath/annotatedResults
-        desc: Path to store already annotated projects.
-        value: /scratch/s8ttschi/VaRA-Tool-Suite/varats/varats/benchbuild/BC_files
-verbosity:
-    default: 0
-    desc: 'The verbosity level of the logger. Range: 0-4'
-    value: 0
-versions:
-    full:
-        default: false
-        desc: Ignore default sampling and provide full version exploration.
-        value: true
diff --git a/varats/varats/experiments/vara/test_runner.py b/varats/varats/experiments/vara/test_runner.py
index d46324eb3..04c09466c 100644
--- a/varats/varats/experiments/vara/test_runner.py
+++ b/varats/varats/experiments/vara/test_runner.py
@@ -71,40 +71,3 @@ def actions_for_project(
         return analysis_actions
 
 
-class TestXRayRunner(FeatureExperiment, shorthand="TXR"):
-    """Test runner for feature performance with XRay."""
-
-    NAME = "TestXray"
-
-    REPORT_SPEC = ReportSpecification(PerfInfluenceTraceReport)
-
-    def actions_for_project(
-        self, project: VProject
-    ) -> tp.MutableSequence[actions.Step]:
-        project.cflags += self.get_vara_feature_cflags(project)
-
-        project.cflags += self.get_vara_tracing_cflags(FeatureInstrType.PERF_INFLUENCE_TRACE)
-
-        project.cflags += [
-            "-fxray-instrument",
-            "-fxray-instruction-threshold=1",
-        ]
-
-        project.ldflags += self.get_vara_tracing_ldflags()
-
-        project.runtime_extension = run.RuntimeExtension(project, self) \
-            << time.RunWithTime()
-
-        project.compiler_extension = compiler.RunCompiler(project, self) \
-            << WithUnlimitedStackSize()
-
-        project.compile = get_default_compile_error_wrapped(
-            self.get_handle(), project, PerfInfluenceTraceReport
-        )
-
-        return [
-            actions.Compile(project),
-            RunVaRATracedXRayWorkloads(project, self.get_handle()),
-            actions.Clean(project),
-        ]
-
diff --git a/varats/varats/paper_configs/first/FeatureInteractionRepo_0.case_study b/varats/varats/paper_configs/first/FeatureInteractionRepo_0.case_study
deleted file mode 100644
index 0ca5b4687..000000000
--- a/varats/varats/paper_configs/first/FeatureInteractionRepo_0.case_study
+++ /dev/null
@@ -1,22 +0,0 @@
----
-DocType: CaseStudy
-Version: 1
-...
----
-project_name: FeatureInteractionRepo
-stages:
-- revisions:
-  - commit_hash: 1fa18025cfde4adf99c8070ab1d99b930a3b3fe6
-    commit_id: 5
-    config_ids:
-    - 0
-    - 1
-    - 2
-version: 0
-...
----
-config_type: PlainCommandlineConfiguration
-0: '["--foo"]'
-1: '["--bar"]'
-2: '["--foo", "--bar"]'
-...