diff --git a/hadrian/doc/user-settings.md b/hadrian/doc/user-settings.md
index 480d6be396645e2fdb0c46939bada0d00fc4bf17..7a66212bbb03f98500435ac3f325016510020cac 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 b5be48904e0c98364cf419d6fc641310286cec21..da2940f076b5b96388ea4060337cdda86a208dce 100644
--- a/hadrian/src/Flavour/Type.hs
+++ b/hadrian/src/Flavour/Type.hs
@@ -32,9 +32,6 @@ 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 16bfde01831b8e87ccad0ebc10d077bf3096008f..0b743788ec389aba090dd14d5c31b410d4bb8b41 100644
--- a/hadrian/src/Settings/Default.hs
+++ b/hadrian/src/Settings/Default.hs
@@ -276,7 +276,6 @@ defaultFlavour = Flavour
     , libraryWays        = defaultLibraryWays
     , rtsWays            = defaultRtsWays
     , dynamicGhcPrograms = defaultDynamicGhcPrograms
-    , ghciWithDebugger   = const False
     , ghcProfiled        = const False
     , ghcDebugged        = const False
     , ghcThreaded        = const True