diff --git a/cranelift/filetests/filetests/runtests/clz-interpret.clif b/cranelift/filetests/filetests/runtests/clz-interpret.clif
deleted file mode 100644
index bbacf0c28d..0000000000
--- a/cranelift/filetests/filetests/runtests/clz-interpret.clif
+++ /dev/null
@@ -1,19 +0,0 @@
-test interpret
-
-function %clz_i8(i8) -> i8 {
-block0(v0: i8):
-    v1 = clz v0
-    return v1
-}
-; run: %clz_i8(1) == 7
-; run: %clz_i8(0x40) == 1
-; run: %clz_i8(-1) == 0
-
-function %clz_i16(i16) -> i16 {
-block0(v0: i16):
-    v1 = clz v0
-    return v1
-}
-; run: %clz_i16(1) == 15
-; run: %clz_i16(0x4000) == 1
-; run: %clz_i16(-1) == 0
\ No newline at end of file
diff --git a/cranelift/filetests/filetests/runtests/ctz-interpret.clif b/cranelift/filetests/filetests/runtests/ctz-interpret.clif
deleted file mode 100644
index 21d074beb8..0000000000
--- a/cranelift/filetests/filetests/runtests/ctz-interpret.clif
+++ /dev/null
@@ -1,19 +0,0 @@
-test interpret
-
-function %ctz_i8(i8) -> i8 {
-block0(v0: i8):
-    v1 = ctz v0
-    return v1
-}
-; run: %ctz_i8(1) == 0
-; run: %ctz_i8(0x40) == 6
-; run: %ctz_i8(-1) == 0
-
-function %ctz_i16(i16) -> i16 {
-block0(v0: i16):
-    v1 = ctz v0
-    return v1
-}
-; run: %ctz_i16(1) == 0
-; run: %ctz_i16(0x4000) == 14
-; run: %ctz_i16(-1) == 0