diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd31572..87c298f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,16 +26,16 @@ jobs:
         # targets of 'stable' and 'beta' for good measure.
         - pinned
         - stable
-        - beta
+        #- beta
         # Our release builds are generated by a nightly compiler to take
         # advantage of the latest optimizations/compile time improvements. So
         # we test all of them here. (We don't do mips releases, but test on
         # mips for big-endian coverage.)
-        - nightly
-        - nightly-musl
-        - nightly-32
-        - nightly-mips
-        - nightly-arm
+        #- nightly
+        #- nightly-musl
+        #- nightly-32
+        #- nightly-mips
+        #- nightly-arm
         - macos
         - win-msvc
         - win-gnu