diff --git a/test/MC/AsmParser/dg.exp b/test/MC/AsmParser/dg.exp
index ebd84187f52..ca6aefe9c53 100644
--- a/test/MC/AsmParser/dg.exp
+++ b/test/MC/AsmParser/dg.exp
@@ -1,3 +1,6 @@
 load_lib llvm.exp
 
-RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{s}]]
+if { [llvm_supports_target X86] } {
+  RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{s}]]
+}
+
diff --git a/test/MC/MachO/dg.exp b/test/MC/MachO/dg.exp
index ebd84187f52..ca6aefe9c53 100644
--- a/test/MC/MachO/dg.exp
+++ b/test/MC/MachO/dg.exp
@@ -1,3 +1,6 @@
 load_lib llvm.exp
 
-RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{s}]]
+if { [llvm_supports_target X86] } {
+  RunLLVMTests [lsort [glob -nocomplain $srcdir/$subdir/*.{s}]]
+}
+