diff --git a/builtins/target-avx11-x2.ll b/builtins/target-avx11-x2.ll
index e2bc599d..884255df 100644
--- a/builtins/target-avx11-x2.ll
+++ b/builtins/target-avx11-x2.ll
@@ -29,6 +29,8 @@
 ;;   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 ;;   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
 
+define(`NO_HALF_DECLARES', `1')
+
 include(`target-avx1-x2.ll')
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/builtins/target-avx11.ll b/builtins/target-avx11.ll
index 54aa35af..35aebe91 100644
--- a/builtins/target-avx11.ll
+++ b/builtins/target-avx11.ll
@@ -29,6 +29,8 @@
 ;;   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 ;;   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
 
+define(`NO_HALF_DECLARES', `1')
+
 include(`target-avx1.ll')
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
@@ -68,4 +70,3 @@ define i16 @__float_to_half_uniform(float %v) nounwind readnone {
   %r = extractelement <8 x i16> %rv, i32 0
   ret i16 %r
 }
-