diff --git a/.cirrus.yml b/.cirrus.yml
deleted file mode 100644
index be86a893..00000000
--- a/.cirrus.yml
+++ /dev/null
@@ -1,25 +0,0 @@
-BUILD_TEST_TASK_TEMPLATE: &BUILD_TEST_TASK_TEMPLATE
-  arch_check_script: |
-      uname -m
-  ffi_download_script: |
-      chmod +x build/download-native-libs.sh
-      build/download-native-libs.sh
-  restore_script: |
-      dotnet restore
-  build_script: |
-      dotnet build --no-restore
-  test_script: |
-      dotnet test --no-build --verbosity normal
-  pack_script: |
-      dotnet pack --verbosity normal -c Release --no-restore --include-source --version-suffix alpha.123 -o ./dist
-
-linux_arm64_task: 
-  arm_container:
-    image: mcr.microsoft.com/dotnet/sdk:8.0
-  << : *BUILD_TEST_TASK_TEMPLATE
-
-linux_arm64_alpine_task: 
-  arm_container:
-    image: mcr.microsoft.com/dotnet/sdk:8.0-alpine
-  setup_alpine_script: apk add curl bash gzip
-  << : *BUILD_TEST_TASK_TEMPLATE
\ No newline at end of file
diff --git a/README.md b/README.md
index 6da56993..42bfb3a5 100644
--- a/README.md
+++ b/README.md
@@ -238,31 +238,12 @@ Due to using a shared native library instead of C# for the main Pact logic only
 | Windows      | x64         | ✔️ Yes                                                              |
 | Linux (libc) | x86         | ❌ No                                                              |
 | Linux (libc) | x64         | ✔️ Yes                                                              |
-| Linux (musl) | x64         | ✔️ Yes (Tier 2)*                                                    |
-| Linux (libc) | ARM         | ✔️ Yes (Tier 3)*                                                    |
-| Linux (musl) | ARM         | ✔️ Yes (Tier 3)*                                                    |
+| Linux (musl) | x64         | ✔️ Yes                                                              |
+| Linux (libc) | ARM         | ✔️ Yes                                                              |
+| Linux (musl) | ARM         | ✔️ Yes                                                              |
 | OSX          | x64         | ✔️ Yes                                                              |
 | OSX          | ARM (M1/M2) | ✔️ Yes                                                              |
 
-#### Support
-
-- Tier 1
-  - Established
-  - Full CI/CD support.
-  - Users should not encounter issues
-  - Full reproducible examples running in CI, should be provided by users raising issues
-  - If using musl targets, users should attempt the same test on a libc target (such as debian)
-- Tier 2
-  - Recently introduced
-  - Full CI/CD support.
-  - Users may encounter issues
-  - Full reproducible examples running in CI, should be provided by users raising issues
-  - If using musl targets, users should attempt the same test on a libc target (such as debian)
-- Tier 3
-  - Recently introduced, No/limited CI/CD support.
-  - Users may encounter issues
-  - Full reproducible examples which can be run by maintainers locally, should be provided by users raising issues
-  
 ### Pact Specification
 
 | Version | Status     | [Spec] Compatibility | Install            |