diff --git a/hadrian/doc/user-settings.md b/hadrian/doc/user-settings.md
index 5616d871be2f91c3cc866cd82fa31269aba6b1fa..c5ec189e38faf13830aef885cdde154d79d4c2f4 100644
--- a/hadrian/doc/user-settings.md
+++ b/hadrian/doc/user-settings.md
@@ -33,9 +33,6 @@ data Flavour = Flavour {
     rtsWays :: Ways,
     -- | Build dynamic GHC programs.
     dynamicGhcPrograms :: Action Bool,
-    -- | Enable GHCi debugger.
-    ghciWithDebugger :: Stage -- ^ stage of the /built/ compiler
-                     -> Bool,
     -- | Build profiled GHC.
     ghcProfiled :: Stage -- ^ stage of the /built/ compiler
                 -> Bool,
diff --git a/hadrian/src/Flavour/Type.hs b/hadrian/src/Flavour/Type.hs
index a84ae77e79a28435818c5b7d7955465d45ebf45e..a2d0d574676468d6a9acbf60afdbdf8f51de3d6d 100644
--- a/hadrian/src/Flavour/Type.hs
+++ b/hadrian/src/Flavour/Type.hs
@@ -29,9 +29,6 @@ data Flavour = Flavour {
     rtsWays :: Ways,
     -- | Build dynamic GHC programs.
     dynamicGhcPrograms :: Action Bool,
-    -- | Enable GHCi debugger.
-    ghciWithDebugger :: Stage -- ^ stage of the /built/ compiler
-                     -> Bool,
     -- | Build profiled GHC.
     ghcProfiled :: Stage -- ^ stage of the /built/ compiler
                 -> Bool,
diff --git a/hadrian/src/Settings/Default.hs b/hadrian/src/Settings/Default.hs
index 41f744e7b4ab3a2a7d7b3a4eb824720b1c8d4f9d..f006b710d0c6512d00d8c604e30168eabe5ea588 100644
--- a/hadrian/src/Settings/Default.hs
+++ b/hadrian/src/Settings/Default.hs
@@ -272,7 +272,6 @@ defaultFlavour = Flavour
     , libraryWays        = defaultLibraryWays
     , rtsWays            = defaultRtsWays
     , dynamicGhcPrograms = defaultDynamicGhcPrograms
-    , ghciWithDebugger   = const False
     , ghcProfiled        = const False
     , ghcDebugged        = const False
     , ghcThreaded        = const True