diff --git a/build-constraints.yaml b/build-constraints.yaml
index 6908036c..ae50cb77 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1509,7 +1509,7 @@ packages:
         - kraken
         - libinfluxdb < 0 # GHC 8.4 via base-4.11.0.0
         - mole < 0 # GHC 8.4 via base-4.11.0.0
-        - publicsuffix < 0
+        - publicsuffix
         - rethinkdb-client-driver
         - snap-blaze
 
@@ -4665,7 +4665,6 @@ packages:
         - alarmclock < 0 # via base-4.13.0.0
         - asn1-encoding < 0 # via base-4.13.0.0
         - autoexporter < 0 # via base-4.13.0.0
-        - avers < 0 # via base-4.13.0.0
         - bank-holidays-england < 0 # via base-4.13.0.0
         - base-noprelude < 0 # via base-4.13.0.0
         - benchpress < 0 # via base-4.13.0.0
@@ -4777,7 +4776,6 @@ packages:
         - repa < 0 # via base-4.13.0.0
         - repa-algorithms < 0 # via base-4.13.0.0
         - repa-io < 0 # via base-4.13.0.0
-        - rethinkdb-client-driver < 0 # via base-4.13.0.0
         - rhine < 0 # via base-4.13.0.0
         - rhine-gloss < 0 # via base-4.13.0.0
         - salve < 0 # via base-4.13.0.0
@@ -4841,7 +4839,6 @@ packages:
         - dependent-sum-template < 0 # via constraints-extras
         - MissingH < 0 # via containers-0.6.2.1
         - servant-kotlin < 0 # via containers-0.6.2.1
-        - avers < 0 # via cryptonite-0.26
         - web3 < 0 # via cryptonite-0.26
         - beam-migrate < 0 # via dependent-map-0.3
         - lambdabot-core < 0 # via dependent-map-0.3
@@ -4993,7 +4990,6 @@ packages:
         - sqlite-simple < 0 # via semigroups-0.19.1
         - universe-dependent-sum < 0 # via some
         - PyF < 0 # via template-haskell-2.15.0.0
-        - avers < 0 # via template-haskell-2.15.0.0
         - classyplate < 0 # via template-haskell-2.15.0.0
         - core-program < 0 # via template-haskell-2.15.0.0
         - core-text < 0 # via template-haskell-2.15.0.0
@@ -5114,8 +5110,7 @@ packages:
         - x509 < 0 # via asn1-encoding
         - x509-store < 0 # via asn1-encoding
         - x509-validation < 0 # via asn1-encoding
-        - avers-api < 0 # via avers
-        - avers-server < 0 # via avers
+        - avers-api < 0 # via servant
         - fib < 0 # via base-noprelude
         - bencoding < 0 # via bencode
         - Chart-diagrams < 0 # via blaze-markup