diff --git a/build-constraints.yaml b/build-constraints.yaml
index 07cd6860..a62140ec 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2199,7 +2199,6 @@ expected-test-failures:
     - system-filepath
 
     # Requires a running webdriver server
-    - webdriver
     - webdriver-snoy
     - webdriver-angular
 
@@ -2271,9 +2270,6 @@ expected-test-failures:
     # https://github.com/myfreeweb/gitson/issues/1
     - gitson
 
-    # https://github.com/jcristovao/enclosed-exceptions/issues/6
-    - enclosed-exceptions
-
     # Expects a running PostgreSQL server
     - users-postgresql-simple
     - dbmigrations
@@ -2349,12 +2345,6 @@ expected-test-failures:
     # https://github.com/kazu-yamamoto/logger/issues/42
     - wai-logger
 
-    # https://github.com/zalora/getopt-generics/issues/47
-    - getopt-generics
-
-    # https://github.com/fpco/stackage/issues/728
-    - HList
-
     # https://github.com/purescript/purescript/issues/1336
     - purescript
 
@@ -2364,9 +2354,6 @@ expected-test-failures:
     # https://github.com/gibiansky/IHaskell/issues/551
     - ihaskell
 
-    # https://github.com/alphaHeavy/lzma-conduit/issues/5
-    - lzma-conduit
-
     # https://github.com/well-typed/ixset-typed/issues/2
     - ixset-typed
 
@@ -2386,9 +2373,6 @@ expected-test-failures:
     # https://github.com/kazu-yamamoto/ghc-mod/issues/611
     - ghc-mod
 
-    # https://github.com/agrafix/users/issues/3
-    - users-persistent
-
     # Requires a running server
     - pipes-mongodb
 
@@ -2425,12 +2409,10 @@ expected-test-failures:
     # https://github.com/fpco/stackage/issues/1070
     - parsers
 
+    # Unstable
     # https://github.com/fpco/stackage/issues/1125
     - jose-jwt
 
-    # https://github.com/fpco/stackage/issues/1173
-    - mustache
-
     # openfile: does not exist
     - skein
 
@@ -2476,15 +2458,9 @@ expected-haddock-failures:
     # not sure why
     - growler
 
-    # https://github.com/iand675/metrics/issues/5
-    - metrics
-
     # https://github.com/fpco/stackage/issues/994
     - Michelangelo
 
-    # https://github.com/fpco/stackage/issues/1045
-    - stack
-
     # https://github.com/wereHamster/avers-api/issues/2
     - avers-api