Index: flang/lib/Lower/Bridge.cpp
===================================================================
--- flang/lib/Lower/Bridge.cpp
+++ flang/lib/Lower/Bridge.cpp
@@ -313,12 +313,7 @@
               [&](Fortran::lower::pft::FunctionLikeUnit &f) { lowerFunc(f); },
               [&](Fortran::lower::pft::ModuleLikeUnit &m) { lowerMod(m); },
               [&](Fortran::lower::pft::BlockDataUnit &b) {},
-              [&](Fortran::lower::pft::CompilerDirectiveUnit &d) {
-                setCurrentPosition(
-                    d.get<Fortran::parser::CompilerDirective>().source);
-                mlir::emitWarning(toLocation(),
-                                  "ignoring all compiler directives");
-              },
+              [&](Fortran::lower::pft::CompilerDirectiveUnit &d) {},
           },
           u);
     }
@@ -2003,7 +1998,7 @@
   }
 
   void genFIR(const Fortran::parser::CompilerDirective &) {
-    mlir::emitWarning(toLocation(), "ignoring all compiler directives");
+    // TODO
   }
 
   void genFIR(const Fortran::parser::OpenACCConstruct &acc) {
Index: flang/test/Lower/compiler-directive.f90
===================================================================
--- flang/test/Lower/compiler-directive.f90
+++ /dev/null
@@ -1,13 +0,0 @@
-! RUN: bbc %s -o - 2>&1 | FileCheck %s
-! RUN: %flang_fc1 -emit-fir %s -o - 2>&1 | FileCheck %s
-
-! CHECK: ignoring all compiler directives
-
-MODULE test_mod
-  CONTAINS
-  SUBROUTINE foo()
-    REAL :: var
-  !DIR$ VECTOR ALIGNED
-    var = 1.
-  END SUBROUTINE foo
-END MODULE test_mod