diff --git a/.github/actions/setup-build/action.yml b/.github/actions/setup-build/action.yml
index ef07a3bf17..82d4fbdf69 100644
--- a/.github/actions/setup-build/action.yml
+++ b/.github/actions/setup-build/action.yml
@@ -121,6 +121,7 @@ runs:
 
     - name: Form the package list ('cabal.project.freeze')
       run: |
+        rm cabal.project.freeze || \
         cabal v2-freeze && \
         echo "" && \
         echo 'Output:' && \
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4d4ad3ccc5..00dc30d913 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -16,11 +16,11 @@ variables:
     - GHC_VERSION: 8.10.7
       CABAL_PROJECT: cabal.project
     - GHC_VERSION: 9.0.2
-      CABAL_PROJECT: cabal-ghc90.project
+      CABAL_PROJECT: cabal.project
     - GHC_VERSION: 9.2.2
-      CABAL_PROJECT: cabal-ghc92.project
+      CABAL_PROJECT: cabal.project
     - GHC_VERSION: 9.2.1
-      CABAL_PROJECT: cabal-ghc92.project
+      CABAL_PROJECT: cabal.project
 
 workflow:
   rules:
diff --git a/bindist/ghcs b/bindist/ghcs
index 32cfc187ed..886c529d64 100644
--- a/bindist/ghcs
+++ b/bindist/ghcs
@@ -1,6 +1,6 @@
 8.6.5,cabal.project
 8.8.4,cabal.project
 8.10.7,cabal.project
-9.0.2,cabal-ghc90.project
-9.2.1,cabal-ghc92.project
-9.2.2,cabal-ghc92.project
+9.0.2,cabal.project
+9.2.1,cabal.project
+9.2.2,cabal.project
diff --git a/bindist/ghcs-FreeBSD b/bindist/ghcs-FreeBSD
index cab2c69bb2..a1b4b6e0bf 100644
--- a/bindist/ghcs-FreeBSD
+++ b/bindist/ghcs-FreeBSD
@@ -1,2 +1,2 @@
 8.10.7,cabal.project
-9.0.2,cabal-ghc90.project
+9.0.2,cabal.project
diff --git a/bindist/ghcs-Msys b/bindist/ghcs-Msys
index a6210abe73..b2e04cac3c 100644
--- a/bindist/ghcs-Msys
+++ b/bindist/ghcs-Msys
@@ -1,4 +1,4 @@
 8.10.7,cabal.project
-9.0.2,cabal-ghc90.project
-9.2.2,cabal-ghc92.project
-9.2.1,cabal-ghc92.project
+9.0.2,cabal.project
+9.2.2,cabal.project
+9.2.1,cabal.project
diff --git a/cabal-ghc90.project b/cabal-ghc90.project
deleted file mode 100644
index 06e0d35262..0000000000
--- a/cabal-ghc90.project
+++ /dev/null
@@ -1,58 +0,0 @@
-packages:
-         ./
-         ./hie-compat
-         ./shake-bench
-         ./hls-graph
-         ./ghcide
-         ./hls-plugin-api
-         ./hls-test-utils
-         ./plugins/hls-tactics-plugin
-         ./plugins/hls-brittany-plugin
-         ./plugins/hls-stylish-haskell-plugin
-         ./plugins/hls-fourmolu-plugin
-         ./plugins/hls-class-plugin
-         ./plugins/hls-eval-plugin
-         ./plugins/hls-explicit-imports-plugin
-         ./plugins/hls-refine-imports-plugin
-         ./plugins/hls-hlint-plugin
-         ./plugins/hls-rename-plugin
-         ./plugins/hls-retrie-plugin
-         ./plugins/hls-haddock-comments-plugin
-         ./plugins/hls-splice-plugin
-         ./plugins/hls-qualify-imported-names-plugin
-         ./plugins/hls-floskell-plugin
-         ./plugins/hls-pragmas-plugin
-         ./plugins/hls-module-name-plugin
-         ./plugins/hls-ormolu-plugin
-         ./plugins/hls-call-hierarchy-plugin
-         ./plugins/hls-alternate-number-format-plugin
-         ./plugins/hls-selection-range-plugin
-         ./plugins/hls-change-type-signature-plugin
-
-tests: true
-
-package *
-  ghc-options: -haddock
-  test-show-details: direct
-
-write-ghc-environment-files: never
-
-index-state: 2022-04-27T09:22:49Z
-
-constraints:
-
--- although we are not building all plugins cabal solver phase is run for all packages
--- this way we track explicitly all transitive dependencies which need support for ghc-9
-allow-newer:
-
-  -- brittany: update ghc bounds in hls.cabal when those are removed
-  -- https://github.com/lspitzner/multistate/pull/8
-  multistate:base,
-  -- https://github.com/lspitzner/data-tree-print/pull/3
-  data-tree-print:base,
-  -- https://github.com/lspitzner/butcher/pull/8
-  butcher:base,
-
-  -- ghc-9.0.2 specific
-  -- for ghcide:test via ghc-typelits-knownnat
-  ghc-typelits-natnormalise:ghc-bignum
diff --git a/cabal-ghc92.project b/cabal-ghc92.project
deleted file mode 100644
index 136ea7365b..0000000000
--- a/cabal-ghc92.project
+++ /dev/null
@@ -1,93 +0,0 @@
-packages:
-         ./
-         ./hie-compat
-         ./shake-bench
-         ./hls-graph
-         ./ghcide
-         ./hls-plugin-api
-         ./hls-test-utils
-         ./plugins/hls-tactics-plugin
-         ./plugins/hls-brittany-plugin
-         ./plugins/hls-stylish-haskell-plugin
-         ./plugins/hls-fourmolu-plugin
-         ./plugins/hls-class-plugin
-         ./plugins/hls-eval-plugin
-         ./plugins/hls-explicit-imports-plugin
-         ./plugins/hls-refine-imports-plugin
-         ./plugins/hls-hlint-plugin
-         ./plugins/hls-rename-plugin
-         ./plugins/hls-retrie-plugin
-         ./plugins/hls-haddock-comments-plugin
-         ./plugins/hls-splice-plugin
-         ./plugins/hls-qualify-imported-names-plugin
-         ./plugins/hls-floskell-plugin
-         ./plugins/hls-pragmas-plugin
-         ./plugins/hls-module-name-plugin
-         ./plugins/hls-ormolu-plugin
-         ./plugins/hls-call-hierarchy-plugin
-         ./plugins/hls-alternate-number-format-plugin
-         ./plugins/hls-selection-range-plugin
-         ./plugins/hls-change-type-signature-plugin
-
-with-compiler: ghc-9.2.2
-
-tests: true
-
-package *
-  ghc-options: -haddock
-  test-show-details: direct
-
-write-ghc-environment-files: never
-
-index-state: 2022-04-27T09:22:49Z
-
-constraints:
-  -- These plugins don't build/work on GHC92 yet
-  haskell-language-server
-    +ignore-plugins-ghc-bounds
-    -brittany
-    -haddockComments
-    -retrie
-    -splice
-    -tactic,
-  ghc-lib-parser-ex -auto,
-  hlint +ghc-lib,
-  stylish-haskell +ghc-lib
-
-allow-newer:
-  -- for shake-bench
-  Chart:lens,
-  Chart-diagrams:lens,
-
-  -- for head.hackage
-  primitive-unlifted:base,
-
-  brittany:ghc-boot,
-  brittany:ghc-boot-th,
-  brittany:ghc,
-  brittany:ghc-exactprint,
-  brittany:bytestring,
-  brittany:base,
-  -- https://github.com/lspitzner/multistate/pull/8
-  multistate:base,
-  -- https://github.com/lspitzner/data-tree-print/pull/3
-  data-tree-print:base,
-  -- https://github.com/lspitzner/butcher/pull/8
-  butcher:base,
-
-  hls-haddock-comments-plugin:ghc-exactprint,
-
-  implicit-hie-cradle:bytestring,
-  implicit-hie-cradle:time,
-
-  -- For tactics
-  ghc-source-gen:ghc,
-
-  -- for ghcide:test via ghc-typelits-knownnat
-  ghc-typelits-natnormalise:ghc-bignum,
-
-  hiedb:base,
-  retrie:ghc-exactprint
-
-allow-older:
-  primitive-extras:primitive-unlifted
diff --git a/cabal.project b/cabal.project
index ea1114f19a..78ceb8e2ff 100644
--- a/cabal.project
+++ b/cabal.project
@@ -46,12 +46,27 @@ write-ghc-environment-files: never
 index-state: 2022-04-27T09:22:49Z
 
 constraints:
-    hyphenation +embed,
-    -- remove this when hlint sets ghc-lib to true by default
-    -- https://github.com/ndmitchell/hlint/issues/1376
-    hlint +ghc-lib
+  hyphenation +embed,
+  -- remove this when hlint sets ghc-lib to true by default
+  -- https://github.com/ndmitchell/hlint/issues/1376
+  hlint +ghc-lib,
+  ghc-lib-parser-ex -auto,
+  stylish-haskell +ghc-lib
 
 allow-newer:
-    -- for shake-bench
-    Chart-diagrams:diagrams-core,
-    SVGFonts:diagrams-core
+  -- ghc-9.2
+  ----------
+  hiedb:base,
+  retrie:ghc-exactprint,
+
+  -- for brittany
+  -- https://github.com/lspitzner/multistate/pull/8
+  multistate:base,
+  -- https://github.com/lspitzner/data-tree-print/pull/3
+  data-tree-print:base,
+  -- https://github.com/lspitzner/butcher/pull/8
+  butcher:base,
+
+  -- for shake-bench
+  Chart:lens,
+  Chart-diagrams:lens,
diff --git a/configuration-ghc-901.nix b/configuration-ghc-901.nix
deleted file mode 100644
index 789a5d2e19..0000000000
--- a/configuration-ghc-901.nix
+++ /dev/null
@@ -1,36 +0,0 @@
-# nix version of cabal-ghc901.project
-{ pkgs }:
-
-let
-  disabledPlugins = [
-    "hls-brittany-plugin"
-    "hls-stylish-haskell-plugin"
-  ];
-
-  hpkgsOverride = hself: hsuper:
-    with pkgs.haskell.lib;
-    {
-      hlsDisabledPlugins = disabledPlugins;
-
-      fourmolu = hself.fourmolu_0_4_0_0;
-      primitive-extras = hself.primitive-extras_0_10_1_2;
-
-      # Re-generate HLS drv excluding some plugins
-      haskell-language-server =
-        hself.callCabal2nixWithOptions "haskell-language-server" ./.
-        (pkgs.lib.concatStringsSep " " [
-          "-f-brittany"
-          "-f-stylishhaskell"
-        ]) { };
-
-      # YOLO
-      mkDerivation = args:
-        hsuper.mkDerivation (args // {
-          jailbreak = true;
-          doCheck = false;
-        });
-    };
-in {
-  inherit disabledPlugins;
-  tweakHpkgs = hpkgs: hpkgs.extend hpkgsOverride;
-}
diff --git a/configuration-ghc-921.nix b/configuration-ghc-921.nix
deleted file mode 100644
index d8660da1d9..0000000000
--- a/configuration-ghc-921.nix
+++ /dev/null
@@ -1,51 +0,0 @@
-# nix version of cabal-ghc901.project
-{ pkgs, inputs }:
-
-let
-  disabledPlugins = [
-    "hls-brittany-plugin"
-    "hls-hlint-plugin"
-    "hls-haddock-comments-plugin"
-    "hls-tactics-plugin"
-    # That one is not technically a plugin, but by putting it in this list, we
-    # get it removed from the top level list of requirement and it is not pull
-    # in the nix shell.
-    "shake-bench"
-  ];
-
-  hpkgsOverride = hself: hsuper:
-    with pkgs.haskell.lib;
-    {
-      hlsDisabledPlugins = disabledPlugins;
-
-      fourmolu = hself.callCabal2nix "fourmolu" inputs.fourmolu {};
-      primitive-extras = hself.primitive-extras_0_10_1_2;
-      ghc-exactprint = hself.callCabal2nix "ghc-exactprint" inputs.ghc-exactprint {};
-      constraints-extras = hself.callCabal2nix "constraints-extras" inputs.constraints-extras {};
-      retrie = hself.callCabal2nix "retrie" inputs.retrie {};
-
-      # Hlint is still broken
-      hlint = doJailbreak (hself.callCabal2nix "hlint" inputs.hlint {});
-      hiedb = hself.hiedb_0_4_1_0;
-
-      # Re-generate HLS drv excluding some plugins
-      haskell-language-server =
-        hself.callCabal2nixWithOptions "haskell-language-server" ./.
-        (pkgs.lib.concatStringsSep " " [
-          "-f-brittany"
-          "-f-hlint"
-          "-f-haddockComments"
-          "-f-tactics"
-        ]) { };
-
-      # YOLO
-      mkDerivation = args:
-        hsuper.mkDerivation (args // {
-          jailbreak = true;
-          doCheck = false;
-        });
-    };
-in {
-  inherit disabledPlugins;
-  tweakHpkgs = hpkgs: hpkgs.extend hpkgsOverride;
-}
diff --git a/docs/installation.md b/docs/installation.md
index 59710c69be..614052b097 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -36,7 +36,7 @@ ghcup compile hls -v 1.6.1.0 --ghc 8.10.7 --ghc 8.8.4
 
 Use a different `cabal.project` for a GHC version:
 ```
-ghcup compile hls -v 1.6.1.0 --ghc 9.2.1 --cabal-project cabal-ghc92.project
+ghcup compile hls -v 1.6.1.0 --ghc 9.2.1 --cabal-project cabal.project
 ```
 
 Check `ghcup compile hls --help` for a full list of compilation options.
diff --git a/docs/troubleshooting.md b/docs/troubleshooting.md
index 68642dada1..153f34275a 100644
--- a/docs/troubleshooting.md
+++ b/docs/troubleshooting.md
@@ -171,16 +171,10 @@ The easiest way to obtain a dynamically linked HLS binary is to build HLS locall
 cabal update && cabal install :pkg:haskell-language-server
 ```
 
-If you are compiling with a ghc version with a specific `cabal-ghc${ghcVersion}.project` in the repo you will have to use it. For example for ghc-9.0.x:
-
-```bash
-cabal update && cabal install :pkg:haskell-language-server --project-file=cabal-ghc90.project
-```
-
 Or with `stack`:
 
 ```bash
-stack install haskell-language-server --stack-yaml=stack-${ghcVersion}.yaml
+stack install haskell-language-server
 ```
 
 You also can leverage `ghcup compile hls`:
@@ -189,12 +183,6 @@ You also can leverage `ghcup compile hls`:
 ghcup compile hls -v 1.6.1.0 --ghc 8.10.7
 ```
 
-as it uses cabal underneath you might need to use a specific cabal.project for some ghc versions:
-
-```bash
-ghcup compile hls -v 1.6.1.0 --ghc 9.0.2 --cabal-project cabal-ghc90.project
-```
-
 ### Preprocessors
 
 HLS is [not yet](https://github.com/haskell/haskell-language-server/issues/176) able to find project preprocessors, which may result in `could not execute: <preprocessor>` errors.
diff --git a/flake.nix b/flake.nix
index 1676dbed47..d7975491b8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -336,8 +336,8 @@
           haskell-language-server-dev = mkDevShell ghcDefault "cabal.project";
           haskell-language-server-884-dev = mkDevShell ghc884 "cabal.project";
           haskell-language-server-8107-dev = mkDevShell ghc8107 "cabal.project";
-          haskell-language-server-901-dev = mkDevShell ghc901 "cabal-ghc90.project";
-          haskell-language-server-921-dev = mkDevShell ghc921 "cabal-ghc92.project";
+          haskell-language-server-901-dev = mkDevShell ghc901 "cabal.project";
+          haskell-language-server-921-dev = mkDevShell ghc921 "cabal.project";
         };
 
         # Developement shell, haskell packages are also provided by nix
@@ -345,8 +345,8 @@
           haskell-language-server-dev-nix = mkDevShellWithNixDeps ghcDefault "cabal.project";
           haskell-language-server-884-dev-nix = mkDevShellWithNixDeps ghc884 "cabal.project";
           haskell-language-server-8107-dev-nix = mkDevShellWithNixDeps ghc8107 "cabal.project";
-          haskell-language-server-901-dev-nix = mkDevShellWithNixDeps ghc901 "cabal-ghc90.project";
-          haskell-language-server-921-dev-nix = mkDevShellWithNixDeps ghc921 "cabal-ghc92.project";
+          haskell-language-server-901-dev-nix = mkDevShellWithNixDeps ghc901 "cabal.project";
+          haskell-language-server-921-dev-nix = mkDevShellWithNixDeps ghc921 "cabal.project";
         };
 
         allPackages = {
diff --git a/hie-compat/hie-compat.cabal b/hie-compat/hie-compat.cabal
index 13b0cb3ef1..0683c7a628 100644
--- a/hie-compat/hie-compat.cabal
+++ b/hie-compat/hie-compat.cabal
@@ -24,7 +24,7 @@ library
   default-language:    Haskell2010
   build-depends:
      base < 4.17, array, bytestring, containers, directory, filepath, transformers
-  if flag(ghc-lib)
+  if flag(ghc-lib) && impl(ghc < 9)
     build-depends: ghc-lib < 9.0
   else
     build-depends: ghc, ghc-boot
diff --git a/plugins/hls-brittany-plugin/hls-brittany-plugin.cabal b/plugins/hls-brittany-plugin/hls-brittany-plugin.cabal
index 28b1f96b6b..9928d1f74b 100644
--- a/plugins/hls-brittany-plugin/hls-brittany-plugin.cabal
+++ b/plugins/hls-brittany-plugin/hls-brittany-plugin.cabal
@@ -17,6 +17,10 @@ extra-source-files:
   test/testdata/**/*.hs
 
 library
+  if impl(ghc >= 9.2)
+    buildable: False
+  else
+    buildable: True
   exposed-modules:  Ide.Plugin.Brittany
   hs-source-dirs:   src
   build-depends:
@@ -39,6 +43,10 @@ library
   default-language: Haskell2010
 
 test-suite tests
+  if impl(ghc >= 9.2)
+    buildable: False
+  else
+    buildable: True
   type:             exitcode-stdio-1.0
   default-language: Haskell2010
   hs-source-dirs:   test
diff --git a/plugins/hls-haddock-comments-plugin/hls-haddock-comments-plugin.cabal b/plugins/hls-haddock-comments-plugin/hls-haddock-comments-plugin.cabal
index e250aa16be..9acc5e916c 100644
--- a/plugins/hls-haddock-comments-plugin/hls-haddock-comments-plugin.cabal
+++ b/plugins/hls-haddock-comments-plugin/hls-haddock-comments-plugin.cabal
@@ -18,6 +18,10 @@ extra-source-files:
   test/testdata/*.hs
 
 library
+  if impl(ghc >= 9.2)
+    buildable: False
+  else
+    buildable: True
   exposed-modules:    Ide.Plugin.HaddockComments
   hs-source-dirs:     src
   ghc-options:
@@ -41,6 +45,10 @@ library
     TypeOperators
 
 test-suite tests
+  if impl(ghc >= 9.2)
+    buildable: False
+  else
+    buildable: True
   type:             exitcode-stdio-1.0
   default-language: Haskell2010
   hs-source-dirs:   test