diff --git a/Digitisers/SimpleDigi/CMakeLists.txt b/Digitisers/SimpleDigi/CMakeLists.txt
index 5487682d59bb033f8b308d57a64a988255891aec..ddb0663d70de770ddfb985f49ad2ba7c215fba0b 100644
--- a/Digitisers/SimpleDigi/CMakeLists.txt
+++ b/Digitisers/SimpleDigi/CMakeLists.txt
@@ -1,6 +1,5 @@
 gaudi_subdir(SimpleDigi v0r0)
 
-find_package(CLHEP REQUIRED)
 find_package(GEAR REQUIRED)
 find_package(GSL REQUIRED ) 
 find_package(LCIO REQUIRED ) 
diff --git a/Reconstruction/PFA/Pandora/GaudiPandora/CMakeLists.txt b/Reconstruction/PFA/Pandora/GaudiPandora/CMakeLists.txt
index 0f8625a6c08586cf2202f7694363e1ebea35a531..48415cc53781d08424181497155480c0ffd445a5 100644
--- a/Reconstruction/PFA/Pandora/GaudiPandora/CMakeLists.txt
+++ b/Reconstruction/PFA/Pandora/GaudiPandora/CMakeLists.txt
@@ -1,6 +1,5 @@
 gaudi_subdir(GaudiPandora v0r0)
 
-find_package(CLHEP REQUIRED)
 find_package(LCIO REQUIRED ) 
 find_package(GEAR REQUIRED)
 message("ENV GEAR: $ENV{GEAR}")
diff --git a/Service/TrackSystemSvc/CMakeLists.txt b/Service/TrackSystemSvc/CMakeLists.txt
index 349b3b6b5dc1889b6ab813a635421d6c2edc6cbf..7e68d7615c49ff58520b09213cab1b83c74b6349 100644
--- a/Service/TrackSystemSvc/CMakeLists.txt
+++ b/Service/TrackSystemSvc/CMakeLists.txt
@@ -1,7 +1,6 @@
 gaudi_subdir(TrackSystemSvc v0r0)
 
 find_package(ROOT 6.14 REQUIRED COMPONENTS Matrix Physics)
-find_package(CLHEP REQUIRED)
 find_package(GEAR REQUIRED)
 find_package(LCIO REQUIRED)
 find_package(EDM4HEP REQUIRED)
diff --git a/Utilities/KalDet/CMakeLists.txt b/Utilities/KalDet/CMakeLists.txt
index 147328d0ac412e26e74227b12983e9385f827374..d71f37dd3168dc92478f94eb5ac891f1cb418acd 100644
--- a/Utilities/KalDet/CMakeLists.txt
+++ b/Utilities/KalDet/CMakeLists.txt
@@ -5,7 +5,6 @@
 
 gaudi_subdir(KalDet v0r0)
 
-find_package(CLHEP REQUIRED)
 find_package(LCIO)
 find_package(GEAR)
 find_package(ROOT COMPONENTS MathCore)
diff --git a/Utilities/KiTrack/CMakeLists.txt b/Utilities/KiTrack/CMakeLists.txt
index ba301e6f28ee08c56499eba92278cc5edc6343f1..6ebfefe261de9528ab433639a37252e6dc1b95ed 100644
--- a/Utilities/KiTrack/CMakeLists.txt
+++ b/Utilities/KiTrack/CMakeLists.txt
@@ -1,7 +1,6 @@
 gaudi_subdir(KiTrack v0r0)
 
 find_package(ROOT REQUIRED)
-find_package(CLHEP REQUIRED)
 #find_package(DD4hep REQUIRED)
 find_package(GSL REQUIRED)
 find_package(EDM4HEP REQUIRED)
diff --git a/build-k4.sh b/build-k4.sh
index 27c6f3570f934f8db68066e5553b65f010d9a68f..80ffe55a269386e1f8e6b35936a5992837ee82bb 100755
--- a/build-k4.sh
+++ b/build-k4.sh
@@ -78,7 +78,6 @@ function run-cmake() {
     local cmake_modules=${pandorapfa_cmake_modules}
 
     cmake .. -DHOST_BINARY_TAG=${k4_platform} \
-          -DCLHEP_INCLUDE_DIR=${clhep_include} \
           -DCMAKE_MODULE_PATH=${cmake_modules} || {
         error: "Failed to cmake"
         return 1