diff --git a/.github/workflows/MacOS.yml b/.github/workflows/MacOS.yml
index 68709b6b1..f6e8ae7a0 100644
--- a/.github/workflows/MacOS.yml
+++ b/.github/workflows/MacOS.yml
@@ -27,7 +27,6 @@ jobs:
             compiler: clang
             clang-runtime: '19'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
           - name: osx15-arm-clang-clang-repl-18
@@ -35,7 +34,6 @@ jobs:
             compiler: clang
             clang-runtime: '18'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
           - name: osx15-arm-clang-clang-repl-17
@@ -43,7 +41,6 @@ jobs:
             compiler: clang
             clang-runtime: '17'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
           - name: osx15-arm-clang-clang-repl-16
@@ -51,7 +48,6 @@ jobs:
             compiler: clang
             clang-runtime: '16'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
           - name: osx15-arm-clang-clang13-cling
@@ -60,7 +56,6 @@ jobs:
             clang-runtime: '13'
             cling: On
             cling-version: '1.0'
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
           - name: osx13-x86-clang-clang-repl-19
@@ -68,7 +63,6 @@ jobs:
             compiler: clang
             clang-runtime: '19'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
           - name: osx13-x86-clang-clang-repl-18
@@ -76,7 +70,6 @@ jobs:
             compiler: clang
             clang-runtime: '18'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
           - name: osx13-x86-clang-clang-repl-17
@@ -84,7 +77,6 @@ jobs:
             compiler: clang
             clang-runtime: '17'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
           - name: osx13-x86-clang-clang-repl-16
@@ -92,7 +84,6 @@ jobs:
             compiler: clang
             clang-runtime: '16'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
           - name: osx13-x86-clang-clang13-cling
@@ -101,7 +92,6 @@ jobs:
             clang-runtime: '13'
             cling: On
             cling-version: '1.0'
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host"
             
diff --git a/.github/workflows/Ubuntu.yml b/.github/workflows/Ubuntu.yml
index 423af0736..d21feebed 100644
--- a/.github/workflows/Ubuntu.yml
+++ b/.github/workflows/Ubuntu.yml
@@ -27,7 +27,6 @@ jobs:
             compiler: gcc-12
             clang-runtime: '19'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host;NVPTX"
           - name: ubu22-x86-gcc12-clang-repl-18
@@ -35,7 +34,6 @@ jobs:
             compiler: gcc-12
             clang-runtime: '18'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host;NVPTX"
           - name: ubu22-x86-gcc12-clang-repl-17
@@ -43,7 +41,6 @@ jobs:
             compiler: gcc-12
             clang-runtime: '17'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host;NVPTX"
           - name: ubu22-x86-gcc12-clang-repl-16
@@ -51,7 +48,6 @@ jobs:
             compiler: gcc-12
             clang-runtime: '16'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host;NVPTX"
           - name: ubu22-x86-gcc9-clang13-cling
@@ -60,7 +56,6 @@ jobs:
             clang-runtime: '13'
             cling: On
             cling-version: '1.0'
-            cppyy: On
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host;NVPTX"
             
diff --git a/.github/workflows/Windows.yml b/.github/workflows/Windows.yml
index 2c2243674..58bc8faa7 100644
--- a/.github/workflows/Windows.yml
+++ b/.github/workflows/Windows.yml
@@ -26,7 +26,6 @@ jobs:
             compiler: msvc
             clang-runtime: '19'
             cling: Off
-            cppyy: Off
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host;NVPTX"
           - name: win2025-msvc-clang-repl-18
@@ -34,7 +33,6 @@ jobs:
             compiler: msvc
             clang-runtime: '18'
             cling: Off
-            cppyy: Off
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host;NVPTX"
           - name: win2025-msvc-clang-repl-17
@@ -42,7 +40,6 @@ jobs:
             compiler: msvc
             clang-runtime: '17'
             cling: Off
-            cppyy: Off
             llvm_enable_projects: "clang"
             llvm_targets_to_build: "host;NVPTX"
             
diff --git a/.github/workflows/emscripten.yml b/.github/workflows/emscripten.yml
index fe73da5d2..28fcfd468 100644
--- a/.github/workflows/emscripten.yml
+++ b/.github/workflows/emscripten.yml
@@ -26,7 +26,6 @@ jobs:
             compiler: gcc-12
             clang-runtime: '19'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang;lld"
             llvm_targets_to_build: "WebAssembly"
             emsdk_ver: "3.1.45"
@@ -35,7 +34,6 @@ jobs:
             compiler: clang
             clang-runtime: '19'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang;lld"
             llvm_targets_to_build: "WebAssembly"
             emsdk_ver: "3.1.45"
@@ -44,7 +42,6 @@ jobs:
             compiler: clang
             clang-runtime: '19'
             cling: Off
-            cppyy: On
             llvm_enable_projects: "clang;lld"
             llvm_targets_to_build: "WebAssembly"
             emsdk_ver: "3.1.45"