diff --git a/openmp/libomptarget/include/omptarget.h b/openmp/libomptarget/include/omptarget.h
--- a/openmp/libomptarget/include/omptarget.h
+++ b/openmp/libomptarget/include/omptarget.h
@@ -155,6 +155,8 @@
   __tgt_device_image *DeviceImages;  // Array of device images (1 per dev. type)
   __tgt_offload_entry *HostEntriesBegin; // Begin of table with all host entries
   __tgt_offload_entry *HostEntriesEnd;   // End of table (non inclusive)
+  int64_t *RegisterRequiresBegin; // Begin of requires flag array.
+  int64_t *RegisterRequiresEnd;   // End of requires flag array.
 };
 
 /// This struct contains the offload entries identified by the target runtime
diff --git a/openmp/libomptarget/src/LegacyAPI.cpp b/openmp/libomptarget/src/LegacyAPI.cpp
--- a/openmp/libomptarget/src/LegacyAPI.cpp
+++ b/openmp/libomptarget/src/LegacyAPI.cpp
@@ -172,3 +172,7 @@
                                          uint64_t LoopTripcount) {
   __kmpc_push_target_tripcount_mapper(nullptr, DeviceId, LoopTripcount);
 }
+
+EXTERN void __tgt_register_requires(int64_t Flags) {
+  DP("__tgt_register_requires has been deprecated");
+}
diff --git a/openmp/libomptarget/src/interface.cpp b/openmp/libomptarget/src/interface.cpp
--- a/openmp/libomptarget/src/interface.cpp
+++ b/openmp/libomptarget/src/interface.cpp
@@ -21,13 +21,6 @@
 #include <cstdlib>
 #include <mutex>
 
-////////////////////////////////////////////////////////////////////////////////
-/// adds requires flags
-EXTERN void __tgt_register_requires(int64_t Flags) {
-  TIMESCOPE();
-  PM->RTLs.registerRequires(Flags);
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 /// adds a target shared library to the target execution image
 EXTERN void __tgt_register_lib(__tgt_bin_desc *Desc) {
diff --git a/openmp/libomptarget/src/rtl.cpp b/openmp/libomptarget/src/rtl.cpp
--- a/openmp/libomptarget/src/rtl.cpp
+++ b/openmp/libomptarget/src/rtl.cpp
@@ -423,6 +423,13 @@
 void RTLsTy::registerLib(__tgt_bin_desc *Desc) {
   PM->RTLsMtx.lock();
 
+  for (int64_t *RequiresB = Desc->RegisterRequiresBegin,
+               *RequiresE = Desc->RegisterRequiresEnd;
+       RequiresB != RequiresE; ++RequiresB) {
+    if (*RequiresB != OMP_REQ_UNDEFINED)
+      registerRequires(*RequiresB);
+  }
+
   // Extract the exectuable image and extra information if availible.
   for (int32_t i = 0; i < Desc->NumDeviceImages; ++i)
     PM->Images.emplace_back(getExecutableImage(&Desc->DeviceImages[i]),