diff --git a/src/backends/tosaCommon/CMakeLists.txt b/src/backends/tosaCommon/CMakeLists.txt
index 1b1cc55..4a9cd57 100644
--- a/src/backends/tosaCommon/CMakeLists.txt
+++ b/src/backends/tosaCommon/CMakeLists.txt
@@ -1,12 +1,8 @@
 #
-# Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
+# Copyright © 2022-2023 Arm Ltd and Contributors. All rights reserved.
 # SPDX-License-Identifier: MIT
 #
 
-include_directories(SYSTEM ${FLATBUFFERS_INCLUDE_PATH})
-include_directories(SYSTEM ${PROJECT_SOURCE_DIR}/third-party/half)
-include_directories(SYSTEM ${TOSA_SERIALIZATION_LIB_INCLUDE})
-
 list(APPEND armnnTosaBackend_sources
         TosaMappings.hpp
         TosaMappings.cpp
diff --git a/src/backends/tosaCommon/common.cmake b/src/backends/tosaCommon/common.cmake
index f15c063..3823cf1 100644
--- a/src/backends/tosaCommon/common.cmake
+++ b/src/backends/tosaCommon/common.cmake
@@ -1,9 +1,9 @@
 #
-# Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
+# Copyright © 2022-2023 Arm Ltd and Contributors. All rights reserved.
 # SPDX-License-Identifier: MIT
 #
 
-if(ARMNNTOSAREF)
+if(ARMNNTOSACOMMON)
     add_subdirectory(${PROJECT_SOURCE_DIR}/src/backends/tosaCommon)
     list(APPEND armnnLibraries armnnTosaBackend)
     list(APPEND armnnLibraries armnnTosaBackendOperators)
diff --git a/src/backends/tosaReference/CMakeLists.txt b/src/backends/tosaReference/CMakeLists.txt
index c053def..35393cc 100644
--- a/src/backends/tosaReference/CMakeLists.txt
+++ b/src/backends/tosaReference/CMakeLists.txt
@@ -1,13 +1,8 @@
 #
-# Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
+# Copyright © 2022-2023 Arm Ltd and Contributors. All rights reserved.
 # SPDX-License-Identifier: MIT
 #
 
-include_directories(SYSTEM ${FLATBUFFERS_INCLUDE_PATH})
-include_directories(SYSTEM ${PROJECT_SOURCE_DIR}/third-party/half)
-include_directories(SYSTEM ${TOSA_SERIALIZATION_LIB_INCLUDE})
-include_directories(SYSTEM ${TOSA_REFERENCE_MODEL_INCLUDE})
-
 if(ARMNNTOSAREF)
     list(APPEND armnnTosaRefBackend_sources
         TosaRefBackend.cpp