diff --git a/CHANGES.txt b/CHANGES.txt
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,5 +1,7 @@
 Changelog for Safe
 
+0.3.8
+    #8, remove unnecessary Ord constraints from Foldable functions
 0.3.7
     Add Def variants of the Exact functions
 0.3.6
diff --git a/Safe/Foldable.hs b/Safe/Foldable.hs
--- a/Safe/Foldable.hs
+++ b/Safe/Foldable.hs
@@ -58,15 +58,15 @@
 minimumNote note = fromNote note "minimumNote on empty" . minimumMay
 maximumNote note = fromNote note "maximumNote on empty" . maximumMay
 
-minimumByMay, maximumByMay :: (Foldable t, Ord a) => (a -> a -> Ordering) -> t a -> Maybe a
+minimumByMay, maximumByMay :: (Foldable t) => (a -> a -> Ordering) -> t a -> Maybe a
 minimumByMay = liftMay isNull . F.minimumBy
 maximumByMay = liftMay isNull . F.maximumBy
 
-minimumByDef, maximumByDef :: (Foldable t, Ord a) => a -> (a -> a -> Ordering) -> t a -> a
+minimumByDef, maximumByDef :: (Foldable t) => a -> (a -> a -> Ordering) -> t a -> a
 minimumByDef def = fromMaybe def .^ minimumByMay
 maximumByDef def = fromMaybe def .^ maximumByMay
 
-minimumByNote, maximumByNote :: (Foldable t, Ord a) => String -> (a -> a -> Ordering) -> t a -> a
+minimumByNote, maximumByNote :: (Foldable t) => String -> (a -> a -> Ordering) -> t a -> a
 minimumByNote note = fromNote note "minimumByNote on empty" .^ minimumByMay
 maximumByNote note = fromNote note "maximumByNote on empty" .^ maximumByMay
 
diff --git a/safe.cabal b/safe.cabal
--- a/safe.cabal
+++ b/safe.cabal
@@ -1,7 +1,7 @@
 cabal-version:  >= 1.6
 build-type:     Simple
 name:           safe
-version:        0.3.7
+version:        0.3.8
 license:        BSD3
 license-file:   LICENSE
 category:       Unclassified