1 files changed, 1 insertions, 4 deletions

diff --git a/packages/base/src/Internal/Algorithms.hs b/packages/base/src/Internal/Algorithms.hs
index 99c90aa..3d25491 100644
--- a/packages/base/src/Internal/Algorithms.hs
+++ b/packages/base/src/Internal/Algorithms.hs
@@ -38,14 +38,11 @@ import Internal.Vectorized(range)
 (Single precision data can be converted using 'single' and 'double').
 
 -}
-class (Product t,
+class (Numeric t,
        Convert t,
-       Container Vector t,
-       Container Matrix t,
        Normed Matrix t,
        Normed Vector t,
        Floating t,
-       CTrans t,
        RealOf t ~ Double) => Field t where
     svd'         :: Matrix t -> (Matrix t, Vector Double, Matrix t)
     thinSVD'     :: Matrix t -> (Matrix t, Vector Double, Matrix t)