diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 8395d5310..6edbb7854 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -59,8 +59,8 @@ jobs:
         i686-unknown-freebsd:            { TARGET: i686-unknown-freebsd,                    DYLIB: 1, STD: 1 }
         x86_64-unknown-freebsd:          { TARGET: x86_64-unknown-freebsd,                  DYLIB: 1, STD: 1 }
         x86_64-unknown-netbsd:           { TARGET: x86_64-unknown-netbsd,           CPP: 1, DYLIB: 1, STD: 1 }
-        sparcv9-sun-solaris:             { TARGET: sparcv9-sun-solaris,             CPP: 1, DYLIB: 1, STD: 1 }
-        x86_64-sun-solaris:              { TARGET: x86_64-sun-solaris,              CPP: 1, DYLIB: 1, STD: 1 }
+        # sparcv9-sun-solaris:             { TARGET: sparcv9-sun-solaris,             CPP: 1, DYLIB: 1, STD: 1 }
+        # x86_64-sun-solaris:              { TARGET: x86_64-sun-solaris,              CPP: 1, DYLIB: 1, STD: 1 }
         asmjs-unknown-emscripten:        { TARGET: asmjs-unknown-emscripten,                          STD: 1,                   RUN: 1 }
         # `cargo run` fails with an assertion error (https://github.com/rust-lang/cargo/issues/4689) on `wasm32-unknown-emscripten`.
         wasm32-unknown-emscripten:       { TARGET: wasm32-unknown-emscripten,                         STD: 1 }