diff --git a/.nvidia-ci.yml b/.nvidia-ci.yml
index 55f9ad4e..d75b0e1e 100644
--- a/.nvidia-ci.yml
+++ b/.nvidia-ci.yml
@@ -157,15 +157,6 @@ scan-ubuntu18.04-amd64:
   needs:
     - image-ubuntu18.04
 
-scan-ubuntu18.04-arm64:
-  extends:
-    - .scan
-    - .dist-ubuntu18.04
-    - .platform-arm64
-  needs:
-    - image-ubuntu18.04
-    - scan-ubuntu18.04-amd64
-
 scan-ubuntu20.04-amd64:
   extends:
     - .scan
diff --git a/build/container/multi-arch.mk b/build/container/multi-arch.mk
index 94a3527c..445ea0d0 100644
--- a/build/container/multi-arch.mk
+++ b/build/container/multi-arch.mk
@@ -30,5 +30,8 @@ push-short:
 # We only have x86_64 packages for centos7
 build-centos7: DOCKER_BUILD_PLATFORM_OPTIONS = --platform=linux/amd64
 
+# We only generate amd64 image for ubuntu18.04
+build-ubuntu18.04: DOCKER_BUILD_PLATFORM_OPTIONS = --platform=linux/amd64
+
 # We only generate a single image for packaging targets
 build-packaging: DOCKER_BUILD_PLATFORM_OPTIONS = --platform=linux/amd64