diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 282878a..5c5be53 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -24,36 +24,36 @@ jobs:
       matrix:
         os:
           - ubuntu-latest
-          - macos-latest
+#          - macos-latest
         quicklisp-dist:
           - quicklisp
-          - ultralisp
+#          - ultralisp
         lisp:
           - sbcl-bin
-          - ccl-bin
-          - ecl
-          - abcl
-          - allegro
-          - clisp
-          - cmucl
-        include:
-          # Seems allegro is does not support 64bit OSX.
-          # Unable to install it using Roswell:
-          # alisp is not executable. Missing 32bit glibc?
-          - lisp: allegro
-            os: macos-latest
-            can-fail: true
-          # CLisp on Ubuntu can't be installed because of the error:
-          # #<FOREIGN-VARIABLE "rl_readline_state" #x00007FA93E698850> does not have
-          # the required size or alignment
-          - lisp: clisp
-            os: ubuntu-latest
-            can-fail: true
-          # CMUCL is 32bit and cant' work on 64bit OSX:
-          # .roswell/impls/x86-64/darwin/cmu-bin/21d/bin/lisp is not executable. Missing 32bit glibc?
-          - lisp: cmucl
-            os: macos-latest
-            can-fail: true
+        #   - ccl-bin
+        #   - ecl
+        #   - abcl
+        #   - allegro
+        #   - clisp
+        #   - cmucl
+        # include:
+        #   # Seems allegro is does not support 64bit OSX.
+        #   # Unable to install it using Roswell:
+        #   # alisp is not executable. Missing 32bit glibc?
+        #   - lisp: allegro
+        #     os: macos-latest
+        #     can-fail: true
+        #   # CLisp on Ubuntu can't be installed because of the error:
+        #   # #<FOREIGN-VARIABLE "rl_readline_state" #x00007FA93E698850> does not have
+        #   # the required size or alignment
+        #   - lisp: clisp
+        #     os: ubuntu-latest
+        #     can-fail: true
+        #   # CMUCL is 32bit and cant' work on 64bit OSX:
+        #   # .roswell/impls/x86-64/darwin/cmu-bin/21d/bin/lisp is not executable. Missing 32bit glibc?
+        #   - lisp: cmucl
+        #     os: macos-latest
+        #     can-fail: true
           
     env:
       LISP: ${{ matrix.lisp }}