diff --git a/.drone.yml b/.drone.yml
index 031fc33..e25fccd 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -91,24 +91,6 @@ steps:
     - ctest .  --output-on-failure
 ---
 kind: pipeline
-name: arm64-clang6
-platform: { os: linux, arch: arm64 }
-steps:
-- name: Build and Test
-  image: ubuntu:18.04
-  environment:
-    CC: clang-6.0
-    CXX: clang++-6.0
-  commands:
-    - apt-get update -qq
-    - apt-get install -y cmake 
-    - mkdir build
-    - cd build
-    - cmake  ..
-    - cmake --build . 
-    - ctest . --output-on-failure
----
-kind: pipeline
 name: arm64-sanitize-gcc8
 platform: { os: linux, arch: arm64 }
 steps:
@@ -127,24 +109,6 @@ steps:
     - ASAN_OPTIONS="detect_leaks=0" ctest . --output-on-failure
 ---
 kind: pipeline
-name: arm64-sanitize-clang6
-platform: { os: linux, arch: arm64 }
-steps:
-- name: Build and Test
-  image: ubuntu:18.04
-  environment:
-    CC: clang-6.0
-    CXX: clang++-6.0
-  commands:
-    - apt-get update -qq
-    - apt-get install -y clang cmake 
-    - mkdir build
-    - cd build
-    - cmake  ..  -DFAST_DOUBLE_PARSER_SANITIZE=ON
-    - cmake --build . 
-    - ASAN_OPTIONS="detect_leaks=0" ctest . --output-on-failure
----
-kind: pipeline
 name: libcpp-clang9
 platform: { os: linux, arch: amd64 }
 steps: