diff --git a/checks/UsageCheckTest.hs b/checks/UsageCheckTest.hs
index 396d26a..af90bf1 100644
--- a/checks/UsageCheckTest.hs
+++ b/checks/UsageCheckTest.hs
@@ -89,10 +89,6 @@ testGetVarProc = TestList (map doTest tests)
      ,(200,[tvB],[tvA],[],a_eq_not_b)
      ,(201,[tvC,tvD],[tvA],[],a_eq_c_plus_d)
      
-     -- Test time statements:
-     ,(300,[],[tvB],[],A.GetTime emptyMeta vB)
-     ,(301,[tvA],[],[],A.Wait emptyMeta A.WaitFor $ A.ExprVariable emptyMeta vA)
-     
      -- Test simple outputs:
      ,(400,[tvA],[],[tvC],A.Output emptyMeta vC [A.OutExpression emptyMeta $ A.ExprVariable emptyMeta vA])
      ,(401,[tvA,tvB],[],[tvC],A.Output emptyMeta vC $ map ((A.OutExpression emptyMeta) . (A.ExprVariable emptyMeta)) [vA,vB])
diff --git a/checks/UsageCheckUtils.hs b/checks/UsageCheckUtils.hs
index bd08560..2f91294 100644
--- a/checks/UsageCheckUtils.hs
+++ b/checks/UsageCheckUtils.hs
@@ -126,8 +126,6 @@ getVarProc (A.Assign _ vars expList)
           (mapUnionVars processVarW vars) 
           --All variables read on the RHS:
           (getVarExpList expList)
-getVarProc (A.GetTime _ v) = processVarW v
-getVarProc (A.Wait _ _ e) = getVarExp e
 getVarProc (A.Output _ chanVar outItems) = (processVarUsed chanVar) `unionVars` (mapUnionVars getVarOutputItem outItems)
   where
     getVarOutputItem :: A.OutputItem -> Vars
diff --git a/data/AST.hs b/data/AST.hs
index c6c4037..ab56ee9 100644
--- a/data/AST.hs
+++ b/data/AST.hs
@@ -357,13 +357,6 @@ data Replicator =
 data Choice = Choice Meta Expression Process
   deriving (Show, Eq, Typeable, Data)
 
--- | A mode of waiting -- either for a specified duration, or until a specified
--- time.
-data WaitMode =
-  WaitFor
-  | WaitUntil
-  deriving (Show, Eq, Ord, Typeable, Data)
-
 -- | A guard in an @ALT@.
 data Alternative =
   -- | A plain guard.
@@ -377,8 +370,6 @@ data Alternative =
   -- | A @SKIP@ guard (one that is always ready).
   -- The 'Expression' is the pre-condition.
   | AlternativeSkip Meta Expression Process
-  -- | A @wait for@\/@until@ guard.
-  | AlternativeWait Meta WaitMode Expression Process
   deriving (Show, Eq, Typeable, Data)
 
 -- | An option in a @CASE@ process.
@@ -557,8 +548,6 @@ data Process =
   | Input Meta Variable InputMode
   | Output Meta Variable [OutputItem]
   | OutputCase Meta Variable Name [OutputItem]
-  | GetTime Meta Variable
-  | Wait Meta WaitMode Expression
   -- | Clears the given mobile variable; if the variable is currently NULL,
   -- destroy the contents and make it NULL.  If it is already NULL, do nothing.
   | ClearMobile Meta Variable
diff --git a/flow/FlowGraph.hs b/flow/FlowGraph.hs
index 44c966f..68c0465 100644
--- a/flow/FlowGraph.hs
+++ b/flow/FlowGraph.hs
@@ -536,7 +536,6 @@ buildOnlyAlternative route alt
               (A.Alternative m _ _ p) -> (m,p, route44 route A.Alternative)
               (A.AlternativeCond m _ _ _ p) -> (m,p, route55 route A.AlternativeCond)
               (A.AlternativeSkip m _ p) -> (m,p, route33 route A.AlternativeSkip)
-              (A.AlternativeWait m _ _ p) -> (m,p, route44 route A.AlternativeWait)
        guardNode <- addNode' m labelAlternative alt (AlterAlternative route)
        (bodyNodeStart, bodyNodeEnd) <- buildProcess p r
        addEdge ESeq guardNode bodyNodeStart
diff --git a/flow/FlowGraphTest.hs b/flow/FlowGraphTest.hs
index d5aee25..517e10e 100644
--- a/flow/FlowGraphTest.hs
+++ b/flow/FlowGraphTest.hs
@@ -688,8 +688,6 @@ genProcess n = nextIdT >>* makeMeta' >>= \m -> (flip oneofLS) n
    ,(1,comb1 (A.If emptyMeta) . genStructured genChoice')
    ,(2,comb2 (A.Case emptyMeta) genExpression . genStructured genOption' . sub1)
    ,(2,const $ genElem3 A.Assign m (comb0 [variable "x"]) genExpressionList)
-   ,(1,const $ genElem2 A.GetTime m (comb0 $ variable "x"))
-   ,(1,const $ genElem3 A.Wait m (comb0 A.WaitFor) genExpression)
    ,(2,comb1 (A.Alt emptyMeta True) . genStructured genAlternative' . sub1)
   ]