diff --git a/Tests.hs b/Tests.hs
index f5fe3ef4e..0de7f7e59 100644
--- a/Tests.hs
+++ b/Tests.hs
@@ -107,29 +107,6 @@ tests = TestList [
     accountNameTreeFrom ["a","a:b"] `is` Node "top" [Node "a" [Node "a:b" []]]
     accountNameTreeFrom ["a:b:c"]   `is` Node "top" [Node "a" [Node "a:b" [Node "a:b:c" []]]]
 
-  ,"amount arithmetic" ~: do
-    let a1 = dollars 1.23
-    let a2 = Amount (comm "$") (-1.23) Nothing
-    let a3 = Amount (comm "$") (-1.23) Nothing
-    (a1 + a2) `is` Amount (comm "$") 0 Nothing
-    (a1 + a3) `is` Amount (comm "$") 0 Nothing
-    (a2 + a3) `is` Amount (comm "$") (-2.46) Nothing
-    (a3 + a3) `is` Amount (comm "$") (-2.46) Nothing
-    sum [a2,a3] `is` Amount (comm "$") (-2.46) Nothing
-    sum [a3,a3] `is` Amount (comm "$") (-2.46) Nothing
-    sum [a1,a2,a3,-a3] `is` Amount (comm "$") 0 Nothing
-    let dollar0 = dollar{precision=0}
-    (sum [Amount dollar 1.25 Nothing, Amount dollar0 (-1) Nothing, Amount dollar (-0.25) Nothing])
-      `is` (Amount dollar 0 Nothing)
-
-  ,"mixed amount arithmetic" ~: do
-    let dollar0 = dollar{precision=0}
-    (sum $ map (Mixed . (\a -> [a]))
-             [Amount dollar 1.25 Nothing,
-              Amount dollar0 (-1) Nothing,
-              Amount dollar (-0.25) Nothing])
-      `is` Mixed [Amount dollar 0 Nothing]
-
   ,"balance report tests" ~:
    let (opts,args) `gives` es = do 
         l <- sampleledgerwithopts opts args
@@ -653,9 +630,6 @@ tests = TestList [
 
   ,"show hours" ~: show (hours 1) ~?= "1.0h"
 
-  ,"showMixedAmount" ~: do
-     showMixedAmount (Mixed []) ~?= "0"
-
   ,"someamount" ~: do
      let -- | compare a parse result with a MixedAmount, showing the debug representation for clarity
          assertMixedAmountParse parseresult mixedamount =
diff --git a/hledger-lib/Ledger.hs b/hledger-lib/Ledger.hs
index 5bb136285..6ca6e7ed1 100644
--- a/hledger-lib/Ledger.hs
+++ b/hledger-lib/Ledger.hs
@@ -43,9 +43,9 @@ tests_Ledger = TestList
     [
     --  Ledger.Account.tests_Account
     -- ,Ledger.AccountName.tests_AccountName
-    -- ,Ledger.Amount.tests_Amount
+     Ledger.Amount.tests_Amount
     -- ,Ledger.Commodity.tests_Commodity
-     Ledger.Dates.tests_Dates
+    ,Ledger.Dates.tests_Dates
     -- ,Ledger.IO.tests_IO
     ,Ledger.Transaction.tests_Transaction
     -- ,Ledger.Ledger.tests_Ledger
diff --git a/hledger-lib/Ledger/Amount.hs b/hledger-lib/Ledger/Amount.hs
index 1e79fe460..1362dc42a 100644
--- a/hledger-lib/Ledger/Amount.hs
+++ b/hledger-lib/Ledger/Amount.hs
@@ -261,3 +261,34 @@ nullmixedamt = Mixed []
 missingamt :: MixedAmount
 missingamt = Mixed [Amount Commodity {symbol="AUTO",side=L,spaced=False,comma=False,precision=0} 0 Nothing]
 
+
+tests_Amount = TestList [
+
+   "showMixedAmount" ~: do
+     showMixedAmount (Mixed []) ~?= "0"
+
+  ,"amount arithmetic" ~: do
+    let a1 = dollars 1.23
+    let a2 = Amount (comm "$") (-1.23) Nothing
+    let a3 = Amount (comm "$") (-1.23) Nothing
+    (a1 + a2) `is` Amount (comm "$") 0 Nothing
+    (a1 + a3) `is` Amount (comm "$") 0 Nothing
+    (a2 + a3) `is` Amount (comm "$") (-2.46) Nothing
+    (a3 + a3) `is` Amount (comm "$") (-2.46) Nothing
+    sum [a2,a3] `is` Amount (comm "$") (-2.46) Nothing
+    sum [a3,a3] `is` Amount (comm "$") (-2.46) Nothing
+    sum [a1,a2,a3,-a3] `is` Amount (comm "$") 0 Nothing
+    let dollar0 = dollar{precision=0}
+    (sum [Amount dollar 1.25 Nothing, Amount dollar0 (-1) Nothing, Amount dollar (-0.25) Nothing])
+      `is` (Amount dollar 0 Nothing)
+
+  ,"mixed amount arithmetic" ~: do
+    let dollar0 = dollar{precision=0}
+    (sum $ map (Mixed . (\a -> [a]))
+             [Amount dollar 1.25 Nothing,
+              Amount dollar0 (-1) Nothing,
+              Amount dollar (-0.25) Nothing])
+      `is` Mixed [Amount dollar 0 Nothing]
+
+
+  ]