diff --git a/utils/build-presets.ini b/utils/build-presets.ini
index 52ff0cf2c2f19..5970fb67780e4 100644
--- a/utils/build-presets.ini
+++ b/utils/build-presets.ini
@@ -162,6 +162,66 @@ swift-stdlib-enable-assertions=true
 
 enable-array-cow-checks
 
+[preset: mixin_swift_build_base_common]
+mixin-preset=
+    buildbot_incremental_base
+    mixin_buildbot_install_components_with_clang
+
+##  Common SwiftPM
+libcxx
+llbuild
+sourcekit-lsp
+swiftformat
+swiftpm
+swiftsyntax
+swift-testing
+swift-testing-macros
+
+install-llvm
+install-static-linux-config
+install-swift
+install-llbuild
+install-swiftformat
+install-swiftpm
+install-swiftsyntax
+install-swift-testing
+install-swift-testing-macros
+
+[preset: mix_swift_build_base_linux]
+mixin-preset=
+    mixin_linux_installation
+    mixin_swift_build_base_common
+
+foundation
+lldb
+libdispatch
+indexstore-db
+xctest
+
+libcxx=false
+
+install-foundation
+install-libdispatch
+install-xctest
+
+toolchain-benchmarks
+
+
+[preset: mix_swift_build_base_macos]
+mixin-preset=
+    buildbot_incremental_base
+    lldb-smoketest,tools=RA
+    mixin_buildbot_install_components_with_clang
+    mixin_swift_build_base_common
+
+libcxx
+swift-driver
+indexstore-db
+# Failing to build in CI: rdar://78408440
+# swift-inspect
+install-swift-driver
+
+
 
 [preset: buildbot,tools=RA,stdlib=DA]
 mixin-preset=
@@ -605,10 +665,7 @@ swift-stdlib-build-type=RelWithDebInfo
 
 
 [preset: buildbot_incremental,tools=RA,stdlib=RD,smoketest=macosx]
-mixin-preset=
-    buildbot_incremental_base
-    lldb-smoketest,tools=RA
-    mixin_buildbot_install_components_with_clang
+mixin-preset=mixin_swiftpm_base_common
 build-subdir=buildbot_incremental
 
 # We build release+asserts.
@@ -617,25 +674,6 @@ assertions
 
 llvm-targets-to-build=X86;ARM;AArch64;PowerPC;RISCV;AVR
 
-libcxx
-llbuild
-swiftpm
-swiftsyntax
-swiftformat
-swift-driver
-indexstore-db
-sourcekit-lsp
-# Failing to build in CI: rdar://78408440
-# swift-inspect
-install-llvm
-install-static-linux-config
-install-swift
-install-llbuild
-install-swiftpm
-install-swiftsyntax
-install-swift-driver
-install-swiftformat
-
 # We need to build the unittest extras so we can test
 build-swift-stdlib-unittest-extra
 
@@ -841,31 +879,19 @@ llvm-install-components=llvm-ar;llvm-ranlib;llvm-cov;llvm-profdata;IndexStore;cl
 [preset: mixin_linux_installation]
 mixin-preset=
     mixin_linux_install_components_with_clang
+    mixin_swift_build_base_common
 
-llbuild
-swiftpm
 swift-driver
-swift-testing
-swift-testing-macros
 xctest
 swiftdocc
-swiftformat
 
 build-ninja
-install-llvm
-install-static-linux-config
-install-swift
 install-lldb
-install-llbuild
-install-swiftpm
 install-swift-driver
-install-swiftsyntax
-install-swift-testing
-install-swift-testing-macros
 install-xctest
 install-prefix=/usr
 install-sourcekit-lsp
-install-swiftformat
+
 install-swiftdocc
 build-swift-static-stdlib
 build-swift-static-sdk-overlay
@@ -1079,25 +1105,18 @@ mixin-preset=
 [preset: buildbot_linux,smoketest]
 mixin-preset=
     mixin_lightweight_assertions,no-stdlib-asserts
-    mixin_linux_installation
+    mix_swift_build_base_linux
 build-subdir=buildbot_linux
-lldb
+
 release
 test
 validation-test
-foundation
-libdispatch
-indexstore-db
-sourcekit-lsp
 lit-args=-v
 
-install-foundation
-install-libdispatch
-install-swiftformat
 reconfigure
 test-optimized
-skip-test-swiftdocc
 lldb-test-swift-only
+skip-test-swiftdocc
 
 # gcc version on amazon linux 2 is too old to configure and build tablegen.
 # Use the clang that we install in the path for macros
@@ -1834,45 +1853,21 @@ skip-test-foundation
 # Base of SwiftPM and packages
 [preset: mixin_swiftpm_base]
 mixin-preset=
-    buildbot_incremental_base
-    mixin_buildbot_install_components_with_clang
-build-subdir=buildbot_incremental
-
-libcxx
-llbuild
-swiftpm
+    mixin_swift_build_base_common
 
-install-llvm
-install-static-linux-config
-install-swift
-install-llbuild
-install-swiftpm
-install-swiftsyntax
-swift-testing
-swift-testing-macros
-install-swift-testing
-install-swift-testing-macros
+build-subdir=buildbot_incremental
 
 skip-test-swift
 
 # SwiftPM base
 [preset: mixin_swiftpm_macos_platform]
-mixin-preset=mixin_swiftpm_base
+mixin-preset=mixin_swift_build_base_common
 
 infer-cross-compile-hosts-on-darwin
 
 # SwiftPM base
 [preset: mixin_swiftpm_linux_platform]
-mixin-preset=mixin_swiftpm_base
-
-libdispatch
-foundation
-xctest
-libcxx=false
-
-install-foundation
-install-libdispatch
-install-xctest
+mixin-preset=mixin_swift_build_base_common
 
 skip-test-foundation
 skip-test-libdispatch
@@ -1923,17 +1918,14 @@ llvm-cmake-options=
 #===------------------------------------------------------------------------===#
 
 [preset: buildbot_swiftpm_macos_platform,tools=RA,stdlib=RA]
-mixin-preset=mixin_swiftpm_macos_platform
+mixin-preset=
+    mix_swift_build_base_macos
+    #mixin_swiftpm_macos_platform
 
 # Build Release without debug info, because it is faster to build.
 release
 assertions
 
-# Downstream projects that import llbuild+SwiftPM.
-sourcekit-lsp
-swiftformat
-install-swiftformat
-
 toolchain-benchmarks
 skip-test-toolchain-benchmarks
 
@@ -1944,7 +1936,9 @@ skip-test-llbuild
 #===------------------------------------------------------------------------===#
 
 [preset: buildbot_swiftpm_linux_platform,tools=RA,stdlib=RA]
-mixin-preset=mixin_swiftpm_linux_platform
+mixin-preset=
+    mix_swift_build_base_linux
+    #mixin_swiftpm_linux_platform
 
 # Build Release without debug info, because it is faster to build.
 release
@@ -1953,11 +1947,6 @@ assertions
 no-swift-stdlib-assertions
 
 # Downstream projects that import llbuild+SwiftPM.
-sourcekit-lsp
-swiftformat
-install-swiftformat
-
-toolchain-benchmarks
 skip-test-toolchain-benchmarks
 
 skip-test-llbuild