diff --git a/openmp/libomptarget/deviceRTLs/nvptx/CMakeLists.txt b/openmp/libomptarget/deviceRTLs/nvptx/CMakeLists.txt
--- a/openmp/libomptarget/deviceRTLs/nvptx/CMakeLists.txt
+++ b/openmp/libomptarget/deviceRTLs/nvptx/CMakeLists.txt
@@ -153,6 +153,7 @@
 
 # Set flags for LLVM Bitcode compilation.
 set(bc_flags -S -x c++ -O1 -std=c++14
+             -ffreestanding
              -mllvm -openmp-opt-disable
              -target nvptx64
              -Xclang -emit-llvm-bc
diff --git a/openmp/libomptarget/deviceRTLs/nvptx/src/target_impl.h b/openmp/libomptarget/deviceRTLs/nvptx/src/target_impl.h
--- a/openmp/libomptarget/deviceRTLs/nvptx/src/target_impl.h
+++ b/openmp/libomptarget/deviceRTLs/nvptx/src/target_impl.h
@@ -12,12 +12,15 @@
 #ifndef _TARGET_IMPL_H_
 #define _TARGET_IMPL_H_
 
-#include <inttypes.h>
-#include <stdio.h>
-#include <stdlib.h>
-
 #include "nvptx_interface.h"
 
+#include <stddef.h>
+#include <stdint.h>
+
+// subset of inttypes.h
+#define PRId64 "ld"
+#define PRIu64 "lu"
+
 #define INLINE inline __attribute__((always_inline))
 #define NOINLINE __attribute__((noinline))
 #define ALIGN(N) __attribute__((aligned(N)))
@@ -77,4 +80,7 @@
   __kmpc_impl_all_lanes = ~(__kmpc_impl_lanemask_t)0
 };
 
+// Disable the printf calls as ffreestanding blocks the lowering in clang
+#define printf(...)
+
 #endif
diff --git a/openmp/libomptarget/deviceRTLs/nvptx/src/target_impl.cu b/openmp/libomptarget/deviceRTLs/nvptx/src/target_impl.cu
--- a/openmp/libomptarget/deviceRTLs/nvptx/src/target_impl.cu
+++ b/openmp/libomptarget/deviceRTLs/nvptx/src/target_impl.cu
@@ -181,6 +181,9 @@
   return __kmpc_atomic_add(lock, 0u);
 }
 
+void *malloc(size_t size);
+void free(void *ptr);
+
 EXTERN void *__kmpc_impl_malloc(size_t x) { return malloc(x); }
 EXTERN void __kmpc_impl_free(void *x) { free(x); }