diff --git a/src/ca/netIO.h b/src/ca/netIO.h
index 6b020b427..b37e52a42 100644
--- a/src/ca/netIO.h
+++ b/src/ca/netIO.h
@@ -37,6 +37,10 @@
 #   if _HP_aCC > 033300
 #       define NETIO_PLACEMENT_DELETE
 #   endif
+#elif defined ( __BORLANDC__ )
+#   if __BORLANDC__ > 0x550
+#       define NETIO_PLACEMENT_DELETE
+#   endif
 #else
 #   define NETIO_PLACEMENT_DELETE
 #endif
diff --git a/src/ca/syncGroup.h b/src/ca/syncGroup.h
index a6ff11e55..7209ee03d 100644
--- a/src/ca/syncGroup.h
+++ b/src/ca/syncGroup.h
@@ -57,6 +57,10 @@
 #   if _HP_aCC > 033300
 #       define CASG_PLACEMENT_DELETE
 #   endif
+#elif defined ( __BORLANDC__ )
+#   if __BORLANDC__ > 0x550
+#       define CASG_PLACEMENT_DELETE
+#   endif
 #else
 #	define CASG_PLACEMENT_DELETE
 #endif