diff --git a/build-constraints.yaml b/build-constraints.yaml
index d4b4f83c..bfc44835 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1137,15 +1137,6 @@ packages:
         - persistent-postgresql < 2.2
         - persistent-sqlite < 2.2
 
-        # https://github.com/vincenthz/cryptonite/issues/16
-        - tls < 1.3
-        - connection < 0.2.5
-        - tls-debug < 0.4
-        - x509 < 1.6.0
-        - x509-validation < 1.6.0
-        - x509-store < 1.6.0
-        - x509-system < 1.6.0
-
 # Package flags are applied to individual packages, and override the values of
 # global-flags
 package-flags: