diff --git a/openmp/libomptarget/CMakeLists.txt b/openmp/libomptarget/CMakeLists.txt
--- a/openmp/libomptarget/CMakeLists.txt
+++ b/openmp/libomptarget/CMakeLists.txt
@@ -35,6 +35,8 @@
   message(FATAL_ERROR "Missing definition for LIBOMPTARGET_LLVM_INCLUDE_DIRS")
 endif()
 
+include_directories(${LIBOMPTARGET_LLVM_INCLUDE_DIRS})
+
 # This is a list of all the targets that are supported/tested right now.
 set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} aarch64-unknown-linux-gnu")
 set (LIBOMPTARGET_ALL_TARGETS "${LIBOMPTARGET_ALL_TARGETS} aarch64-unknown-linux-gnu-newDriver")
diff --git a/openmp/libomptarget/DeviceRTL/CMakeLists.txt b/openmp/libomptarget/DeviceRTL/CMakeLists.txt
--- a/openmp/libomptarget/DeviceRTL/CMakeLists.txt
+++ b/openmp/libomptarget/DeviceRTL/CMakeLists.txt
@@ -18,11 +18,6 @@
   return()
 endif()
 
-if (NOT LIBOMPTARGET_LLVM_INCLUDE_DIRS)
-  libomptarget_say("Not building DeviceRTL: Missing definition for LIBOMPTARGET_LLVM_INCLUDE_DIRS")
-  return()
-endif()
-
 if (LLVM_DIR)
   # Builds that use pre-installed LLVM have LLVM_DIR set.
   find_program(CLANG_TOOL clang PATHS ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH)
diff --git a/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt b/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
--- a/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
+++ b/openmp/libomptarget/plugins/amdgpu/CMakeLists.txt
@@ -32,11 +32,6 @@
   return()
 endif()
 
-if (NOT LIBOMPTARGET_LLVM_INCLUDE_DIRS)
-  libomptarget_say("Not building AMDGPU plugin: Missing definition for LIBOMPTARGET_LLVM_INCLUDE_DIRS")
-  return()
-endif()
-
 ################################################################################
 # Define the suffix for the runtime messaging dumps.
 add_definitions(-DTARGET_NAME=AMDGPU)
@@ -50,7 +45,6 @@
 
 include_directories(
   ${CMAKE_CURRENT_SOURCE_DIR}/impl
-  ${LIBOMPTARGET_LLVM_INCLUDE_DIRS}
 )
 
 set(LIBOMPTARGET_DLOPEN_LIBHSA OFF)
diff --git a/openmp/libomptarget/plugins/common/elf_common/CMakeLists.txt b/openmp/libomptarget/plugins/common/elf_common/CMakeLists.txt
--- a/openmp/libomptarget/plugins/common/elf_common/CMakeLists.txt
+++ b/openmp/libomptarget/plugins/common/elf_common/CMakeLists.txt
@@ -20,7 +20,6 @@
   set(LINK_LLVM_LIBS LLVM)
 endif()
 target_link_libraries(elf_common INTERFACE ${LINK_LLVM_LIBS})
-include_directories(${LIBOMPTARGET_LLVM_INCLUDE_DIRS})
 add_dependencies(elf_common ${LINK_LLVM_LIBS})
 
 # The code uses Debug.h, which requires threads support.
diff --git a/openmp/libomptarget/plugins/cuda/CMakeLists.txt b/openmp/libomptarget/plugins/cuda/CMakeLists.txt
--- a/openmp/libomptarget/plugins/cuda/CMakeLists.txt
+++ b/openmp/libomptarget/plugins/cuda/CMakeLists.txt
@@ -31,7 +31,6 @@
 
 include_directories(
   ${LIBOMPTARGET_DEP_LIBELF_INCLUDE_DIRS}
-  ${LIBOMPTARGET_LLVM_INCLUDE_DIRS}
 )
 
 set(LIBOMPTARGET_DLOPEN_LIBCUDA OFF)
diff --git a/openmp/libomptarget/src/CMakeLists.txt b/openmp/libomptarget/src/CMakeLists.txt
--- a/openmp/libomptarget/src/CMakeLists.txt
+++ b/openmp/libomptarget/src/CMakeLists.txt
@@ -23,8 +23,6 @@
 
 set(LIBOMPTARGET_SRC_FILES ${LIBOMPTARGET_SRC_FILES} PARENT_SCOPE)
 
-include_directories(${LIBOMPTARGET_LLVM_INCLUDE_DIRS})
-
 # Build libomptarget library with libdl dependency.
 add_library(omptarget SHARED ${LIBOMPTARGET_SRC_FILES})
 set_target_properties(omptarget PROPERTIES INSTALL_RPATH "$ORIGIN" BUILD_RPATH "$ORIGIN")