diff --git a/pkgs/development/compilers/llvm/9/llvm.nix b/pkgs/development/compilers/llvm/9/llvm.nix
index 9bc7e1fc20ba..c8f78f5f7f21 100644
--- a/pkgs/development/compilers/llvm/9/llvm.nix
+++ b/pkgs/development/compilers/llvm/9/llvm.nix
@@ -75,6 +75,15 @@ in stdenv.mkDerivation (rec {
     rm unittests/Support/DynamicLibrary/DynamicLibraryTest.cpp
     # valgrind unhappy with musl or glibc, but fails w/musl only
     rm test/CodeGen/AArch64/wineh4.mir
+  '' + optionalString stdenv.hostPlatform.isAarch32 ''
+    # skip failing X86 test cases on 32-bit ARM
+    rm test/DebugInfo/X86/convert-debugloc.ll
+    rm test/DebugInfo/X86/convert-inlined.ll
+    rm test/DebugInfo/X86/convert-linked.ll
+    rm test/tools/dsymutil/X86/op-convert.test
+  '' + optionalString (stdenv.hostPlatform.system == "armv6l-linux") ''
+    # Seems to require certain floating point hardware (NEON?)
+    rm test/ExecutionEngine/frem.ll
   '' + ''
     patchShebangs test/BugPoint/compile-custom.ll.py