diff --git a/gf.cabal b/gf.cabal
index 9d6176db7..cb704ad04 100644
--- a/gf.cabal
+++ b/gf.cabal
@@ -1,5 +1,5 @@
 name: gf
-version: 3.3
+version: 3.3-darcs
 
 cabal-version: >= 1.8
 build-type: Custom
@@ -37,10 +37,6 @@ flag server
   Description: Include --server mode
   Default:     True
 
-flag cclazy
-  Description: Use the new, lazy compute_concrete (faster than the old, strict version)
-  Default: True
-
 library
   build-depends: base >= 4.2 && <5,
                  array,
@@ -205,6 +201,3 @@ executable gf
     other-modules: GF.System.UseSignal
   else
     other-modules: GF.System.NoSignal
-
-  if flag(cclazy)
-    cpp-options: -DCC_LAZY
diff --git a/src/compiler/GF/Compile/Compute/Concrete.hs b/src/compiler/GF/Compile/Compute/Concrete.hs
index 58e52613e..f5a940022 100644
--- a/src/compiler/GF/Compile/Compute/Concrete.hs
+++ b/src/compiler/GF/Compile/Compute/Concrete.hs
@@ -1,7 +1,3 @@
-{-# LANGUAGE CPP #-}
 module GF.Compile.Compute.Concrete(module M) where
-#ifdef CC_LAZY
-import GF.Compile.Compute.ConcreteLazy as M -- New, experimental
-#else
-import GF.Compile.Compute.ConcreteStrict as M -- Old, trusted
-#endif
\ No newline at end of file
+import GF.Compile.Compute.ConcreteLazy as M -- New
+--import GF.Compile.Compute.ConcreteStrict as M -- Old, inefficient
diff --git a/src/compiler/GF/Infra/BuildInfo.hs b/src/compiler/GF/Infra/BuildInfo.hs
index 74096994a..2ff770393 100644
--- a/src/compiler/GF/Infra/BuildInfo.hs
+++ b/src/compiler/GF/Infra/BuildInfo.hs
@@ -13,6 +13,3 @@ buildInfo =
 #ifdef SERVER_MODE
     ++" server"
 #endif
-#ifdef CC_LAZY
-   ++ " cclazy"
-#endif