diff --git a/.deepsource.toml b/.deepsource.toml
deleted file mode 100644
index e37b41de303..00000000000
--- a/.deepsource.toml
+++ /dev/null
@@ -1,18 +0,0 @@
-version = 1
-
-test_patterns = [
-    "*/tests/**",
-    "*/test_*.py"
-]
-
-exclude_patterns = [
-    "doc/**",
-    "ci/**"
-]
-
-[[analyzers]]
-name = "python"
-enabled = true
-
-  [analyzers.meta]
-  runtime_version = "3.x.x"
\ No newline at end of file
diff --git a/.landscape.yml b/.landscape.yml
deleted file mode 100644
index 754c5715463..00000000000
--- a/.landscape.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-doc-warnings: yes
-test-warnings: yes
-strictness: medium
-max-line-length: 79
-autodetect: yes
-ignore-paths:
-    - ci
-    - doc
-    - examples
-    - LICENSES
-    - notebooks
-pylint:
-  disable:
-    - dangerous-default-value
diff --git a/MANIFEST.in b/MANIFEST.in
deleted file mode 100644
index cbfb8c8cdca..00000000000
--- a/MANIFEST.in
+++ /dev/null
@@ -1,7 +0,0 @@
-include LICENSE
-recursive-include licenses *
-recursive-include doc *
-prune doc/_build
-prune doc/generated
-global-exclude .DS_Store
-recursive-include xarray/static *