diff --git a/build-constraints.yaml b/build-constraints.yaml
index 4d89f475..39431f0e 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -2692,8 +2692,6 @@ skipped-tests:
     # just remove these lines and run `stackage-curator check' to verify.
     - Cabal # QuickCheck 2.9
     - ChasingBottoms # QuickCheck 2.9
-    - GLFW-b # https://github.com/bsl/GLFW-b/issues/62
-    - HsOpenSSL # https://github.com/phonohawk/HsOpenSSL/issues/57
     - ReadArgs # https://github.com/rampion/ReadArgs/issues/8
     - bindings-GLFW # https://github.com/bsl/bindings-GLFW/issues/40
     - bytestring-handle # QuickCheck 2.9
@@ -2707,7 +2705,6 @@ skipped-tests:
     - heaps # https://github.com/ekmett/heaps/pull/8
     - hyphenation # https://github.com/ekmett/hyphenation/pull/10
     - pure-cdb # test-simple
-    - shelly # https://github.com/yesodweb/Shelly.hs/issues/127
     - state-plus # QuickCheck 2.9
     - system-filepath # QuickCheck 2.9
     - vector # https://github.com/haskell/vector/commit/31edb3fc51e76facc1e291f1e9e721663d91dbd8
@@ -2948,7 +2945,6 @@ expected-haddock-failures:
     # "Compilation" errors
     - MemoTrie # https://github.com/conal/MemoTrie/issues/10
     - metrics # https://github.com/iand675/metrics/issues/5
-    - hocilib # https://github.com/fpinsight/hocilib/issues/1
 
     # Haddock bugs
     - swagger2 # https://github.com/GetShopTV/swagger2/issues/66