diff --git a/build-constraints.yaml b/build-constraints.yaml
index ebcc9ad0..a7382729 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1119,10 +1119,11 @@ packages:
     "koral koral@mailoo.org @k0ral":
         - timerep
 
-    "Kostiantyn Rybnikov <k-bx@k-bx.com> @k-bx":
-        - protocol-buffers
-        - protocol-buffers-descriptor
-        - hprotoc
+    # Doesn't compile on GHC 7.10, see: https://github.com/fpco/stackage/pull/661
+    #    "Kostiantyn Rybnikov <k-bx@k-bx.com> @k-bx":
+    #    - protocol-buffers
+    #    - protocol-buffers-descriptor
+    #    - hprotoc
 
     "Rob O'Callahan ropoctl@gmail.com":
         - pipes-fastx