diff --git a/azure/install-rust.yml b/azure/install-rust.yml
index c775fd4..a23d9d2 100644
--- a/azure/install-rust.yml
+++ b/azure/install-rust.yml
@@ -8,7 +8,7 @@ steps:
   # Linux and macOS.
   - script: |
       set -e
-      curl https://sh.rustup.rs -sSf | sh -s -- -y --default-toolchain $RUSTUP_TOOLCHAIN
+      curl https://sh.rustup.rs -sSf | sh -s -- -y --profile minimal --default-toolchain $RUSTUP_TOOLCHAIN
       echo "##vso[task.setvariable variable=PATH;]$PATH:$HOME/.cargo/bin"
     env:
       RUSTUP_TOOLCHAIN: ${{parameters.rust}}
@@ -18,7 +18,7 @@ steps:
   # Windows.
   - script: |
       curl -sSf -o rustup-init.exe https://win.rustup.rs
-      rustup-init.exe -y --default-toolchain %RUSTUP_TOOLCHAIN%
+      rustup-init.exe -y --profile minimal --default-toolchain %RUSTUP_TOOLCHAIN%
       set PATH=%PATH%;%USERPROFILE%\.cargo\bin
       echo "##vso[task.setvariable variable=PATH;]%PATH%;%USERPROFILE%\.cargo\bin"
     env: