diff --git a/build-constraints.yaml b/build-constraints.yaml
index db581e3f..99a6bc2a 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -318,7 +318,6 @@ packages:
         - primecount
 
     "Guillaume Bouchard <guillaum.bouchard@gmail.com> @guibou":
-        - krank < 0 # 0.3.0 https://github.com/guibou/krank/issues/97
         - pretty-terminal
         - PyF
 
@@ -363,7 +362,6 @@ packages:
 
     "Matthew Ahrens <matt.p.ahrens@gmail.com> @mpahrens":
         - forkable-monad
-        - butter < 0 # 0.1.0.6 text 1.2.5.0 exports `elem` https://github.com/System-Indystress/Butter/issues/4
 
     "Iris Ward <aditu.venyhandottir@gmail.com> @AdituV":
         - typenums