diff --git a/build-constraints.yaml b/build-constraints.yaml
index 91375db9..0e2c8f29 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -5988,7 +5988,6 @@ packages:
         - haskoin-store < 0 # tried haskoin-store-0.53.10, but its *library* requires the disabled package: haskoin-store-data
         - hasmin < 0 # tried hasmin-1.0.3, but its *executable* does not support: optparse-applicative-0.16.1.0
         - haxl-amazonka < 0 # tried haxl-amazonka-0.1.1, but its *library* requires the disabled package: haxl
-        - haxr < 0 # tried haxr-3000.11.4.1, but its *library* does not support: base-4.15.0.0
         - headroom < 0 # tried headroom-0.4.2.0, but its *library* requires the disabled package: mustache
         - heist < 0 # tried heist-1.1.0.1, but its *library* does not support: aeson-1.5.6.0
         - heist < 0 # tried heist-1.1.0.1, but its *library* does not support: base-4.15.0.0
@@ -6126,7 +6125,6 @@ packages:
         - katip-scalyr-scribe < 0 # tried katip-scalyr-scribe-0.1.0.1, but its *library* does not support: katip-0.8.5.0
         - ki < 0 # tried ki-0.2.0.1, but its *library* does not support: base-4.15.0.0
         - kleene < 0 # tried kleene-0.1, but its *library* does not support: base-4.15.0.0
-        - koji < 0 # tried koji-0.0.2, but its *library* requires the disabled package: haxr
         - kraken < 0 # tried kraken-0.1.0, but its *library* does not support: base-4.15.0.0
         - lambdabot-core < 0 # tried lambdabot-core-5.3.0.2, but its *library* requires the disabled package: dependent-sum
         - lambdabot-core < 0 # tried lambdabot-core-5.3.0.2, but its *library* requires the disabled package: dependent-sum-template
@@ -6319,7 +6317,6 @@ packages:
         - pipes-misc < 0 # tried pipes-misc-0.5.0.0, but its *library* requires the disabled package: pipes-category
         - pipes-network-tls < 0 # tried pipes-network-tls-0.4, but its *library* requires the disabled package: pipes-network
         - pixelated-avatar-generator < 0 # tried pixelated-avatar-generator-0.1.3, but its *executable* requires the disabled package: cli
-        - pkgtreediff < 0 # tried pkgtreediff-0.4.1, but its *executable* requires the disabled package: koji
         - plot < 0 # tried plot-0.2.3.11, but its *library* requires the disabled package: cairo
         - plot < 0 # tried plot-0.2.3.11, but its *library* requires the disabled package: pango
         - pointful < 0 # tried pointful-1.1.0.0, but its *library* does not support: base-4.15.0.0