diff --git a/ghcide/ghcide.cabal b/ghcide/ghcide.cabal
index d4b0d41d61..e80d4eb1de 100644
--- a/ghcide/ghcide.cabal
+++ b/ghcide/ghcide.cabal
@@ -253,9 +253,8 @@ executable ghcide
                 -- allow user RTS overrides
                 -rtsopts
                 -- disable idle GC
-                -- disable parallel GC
                 -- increase nursery size
-                "-with-rtsopts=-I0 -qg -A128M"
+                "-with-rtsopts=-I0 -A128M"
     main-is: Main.hs
     build-depends:
         aeson,
diff --git a/haskell-language-server.cabal b/haskell-language-server.cabal
index a81928262e..f320f7d2ef 100644
--- a/haskell-language-server.cabal
+++ b/haskell-language-server.cabal
@@ -294,9 +294,8 @@ executable haskell-language-server
     -- allow user RTS overrides
     -rtsopts
     -- disable idle GC
-    -- disable parallel GC
     -- increase nursery size
-    "-with-rtsopts=-I0 -qg -A128M"
+    "-with-rtsopts=-I0 -A128M"
   if flag(pedantic)
     ghc-options: -Werror
 
@@ -341,9 +340,8 @@ executable haskell-language-server-wrapper
     -- allow user RTS overrides
     -rtsopts
     -- disable idle GC
-    -- disable parallel GC
     -- increase nursery size
-    "-with-rtsopts=-I0 -qg -A128M"
+    "-with-rtsopts=-I0 -A128M"
   if flag(pedantic)
     ghc-options: -Werror
 
@@ -468,7 +466,3 @@ test-suite wrapper-test
   hs-source-dirs:     test/wrapper
   main-is:            Main.hs
   ghc-options:        -Wall
-
-
-
-