diff --git a/buildbot/osuosl/master/config/builders.py b/buildbot/osuosl/master/config/builders.py
--- a/buildbot/osuosl/master/config/builders.py
+++ b/buildbot/osuosl/master/config/builders.py
@@ -2483,7 +2483,8 @@
                     depends_on_projects=['bolt', 'llvm'],
                     extra_configure_args=[
                         "-DLLVM_APPEND_VC_REV=OFF",
-                        "-DLLVM_CCACHE_BUILD=ON",
+                        "-DCMAKE_C_COMPILER_LAUNCHER=ccache",
+                        "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache",
                         "-DLLVM_ENABLE_PROJECTS=clang;lld;bolt",
                         "-DLLVM_TARGETS_TO_BUILD=X86;AArch64",
                         ],
@@ -2508,11 +2509,11 @@
                         "-DCMAKE_C_COMPILER=gcc",
                         "-DCMAKE_CXX_COMPILER=g++",
                         "-DLLVM_APPEND_VC_REV=OFF",
-                        "-DLLVM_CCACHE_BUILD=ON",
+                        "-DCMAKE_C_COMPILER_LAUNCHER=ccache",
+                        "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache",
                         "-DLLVM_ENABLE_LLD=ON",
                         "-DBOOTSTRAP_LLVM_ENABLE_LLD=ON",
                         "-DBOOTSTRAP_BOOTSTRAP_LLVM_ENABLE_LLD=ON",
-                        "-DBOOTSTRAP_LLVM_CCACHE_BUILD=ON",
                         "-DPGO_INSTRUMENT_LTO=Thin",
                         ],
                     )},
@@ -2526,7 +2527,8 @@
                     depends_on_projects=['bolt', 'llvm'],
                     extra_configure_args=[
                         "-DLLVM_APPEND_VC_REV=OFF",
-                        "-DLLVM_CCACHE_BUILD=ON",
+                        "-DCMAKE_C_COMPILER_LAUNCHER=ccache",
+                        "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache",
                         "-DLLVM_ENABLE_PROJECTS=bolt",
                         "-DLLVM_TARGETS_TO_BUILD=X86;AArch64",
                         "-DLLVM_LINK_LLVM_DYLIB=ON",
@@ -2545,7 +2547,8 @@
                     depends_on_projects=['bolt', 'llvm'],
                     extra_configure_args=[
                         "-DLLVM_APPEND_VC_REV=OFF",
-                        "-DLLVM_CCACHE_BUILD=ON",
+                        "-DCMAKE_C_COMPILER_LAUNCHER=ccache",
+                        "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache",
                         "-DLLVM_ENABLE_PROJECTS=bolt",
                         "-DLLVM_TARGETS_TO_BUILD=X86;AArch64",
                         "-DBUILD_SHARED_LIBS=ON",
@@ -2566,7 +2569,8 @@
                         "-DCMAKE_C_COMPILER=clang",
                         "-DCMAKE_CXX_COMPILER=clang++",
                         "-DLLVM_APPEND_VC_REV=OFF",
-                        "-DLLVM_CCACHE_BUILD=ON",
+                        "-DCMAKE_C_COMPILER_LAUNCHER=ccache",
+                        "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache",
                         "-DLLVM_ENABLE_PROJECTS=bolt",
                         "-DLLVM_TARGETS_TO_BUILD=X86;AArch64",
                         "-DBUILD_SHARED_LIBS=ON",