diff --git a/.azure-pipelines/steps/run.yml b/.azure-pipelines/steps/run.yml
index 05b14eb45b2..a646b34fe7d 100644
--- a/.azure-pipelines/steps/run.yml
+++ b/.azure-pipelines/steps/run.yml
@@ -102,6 +102,10 @@ steps:
 
 - bash: |
     set -e
+    # Remove any preexisting rustup installation since it can interfere
+    # with the cargotest step and its auto-detection of things like Clippy in
+    # the environment
+    rustup self uninstall -y || true
     if [ "$IMAGE" = "" ]; then
       src/ci/run.sh
     else