diff --git a/compiler/gen_wasm/src/low_level.rs b/compiler/gen_wasm/src/low_level.rs
index 27a99bc7b9..424079e6bd 100644
--- a/compiler/gen_wasm/src/low_level.rs
+++ b/compiler/gen_wasm/src/low_level.rs
@@ -28,24 +28,11 @@ pub fn decode_low_level<'a>(
 
     match lowlevel {
         StrConcat => return BuiltinCall(bitcode::STR_CONCAT),
-        StrJoinWith => return BuiltinCall(bitcode::STR_JOIN_WITH),
-        StrIsEmpty => return NotImplemented,
-        StrStartsWith => return BuiltinCall(bitcode::STR_STARTS_WITH),
-        StrStartsWithCodePt => return BuiltinCall(bitcode::STR_STARTS_WITH_CODE_PT),
-        StrEndsWith => return BuiltinCall(bitcode::STR_ENDS_WITH),
-        StrSplit => return NotImplemented,
-        StrCountGraphemes => return NotImplemented,
-        StrFromInt => return NotImplemented,
-        StrFromUtf8 => return BuiltinCall(bitcode::STR_FROM_UTF8),
-        StrTrimLeft => return BuiltinCall(bitcode::STR_TRIM_LEFT),
-        StrTrimRight => return BuiltinCall(bitcode::STR_TRIM_RIGHT),
-        StrFromUtf8Range => return BuiltinCall(bitcode::STR_FROM_UTF8_RANGE),
-        StrToUtf8 => return BuiltinCall(bitcode::STR_TO_UTF8),
-        StrRepeat => return BuiltinCall(bitcode::STR_REPEAT),
-        StrFromFloat => return BuiltinCall(bitcode::STR_FROM_FLOAT),
-        StrTrim => return BuiltinCall(bitcode::STR_TRIM),
 
-        ListLen | ListGetUnsafe | ListSet | ListSingle | ListRepeat | ListReverse | ListConcat
+        StrJoinWith | StrIsEmpty | StrStartsWith | StrStartsWithCodePt | StrEndsWith | StrSplit
+        | StrCountGraphemes | StrFromInt | StrFromUtf8 | StrTrimLeft | StrTrimRight
+        | StrFromUtf8Range | StrToUtf8 | StrRepeat | StrFromFloat | StrTrim | ListLen
+        | ListGetUnsafe | ListSet | ListSingle | ListRepeat | ListReverse | ListConcat
         | ListContains | ListAppend | ListPrepend | ListJoin | ListRange | ListMap | ListMap2
         | ListMap3 | ListMap4 | ListMapWithIndex | ListKeepIf | ListWalk | ListWalkUntil
         | ListWalkBackwards | ListKeepOks | ListKeepErrs | ListSortWith | ListSublist