diff --git a/dlls/vbscript/global.c b/dlls/vbscript/global.c
index 012383b3efb..448b886cf98 100644
--- a/dlls/vbscript/global.c
+++ b/dlls/vbscript/global.c
@@ -1268,29 +1268,8 @@ static HRESULT Global_ChrB(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARI
 
 static HRESULT Global_Asc(vbdisp_t *This, VARIANT *arg, unsigned args_cnt, VARIANT *res)
 {
-    HRESULT hres;
-    BSTR bstr;
-    WCHAR ret;
-
-    TRACE("(%s)\n", debugstr_variant(arg));
-
-    switch(V_VT(arg)) {
-    case VT_NULL:
-        return MAKE_VBSERROR(VBSE_ILLEGAL_NULL_USE);
-    case VT_EMPTY:
-        return MAKE_VBSERROR(VBSE_ILLEGAL_FUNC_CALL);
-    case VT_BSTR:
-        bstr = V_BSTR(arg);
-    default:
-        hres = to_string(arg, &bstr);
-        if(FAILED(hres))
-            return hres;
-    }
-
-    ret = bstr[0];
-    if(ret == 0)
-        return MAKE_VBSERROR(VBSE_ILLEGAL_FUNC_CALL);
-    return return_short(res, ret);
+    FIXME("\n");
+    return E_NOTIMPL;
 }
 
 /* The function supports only single-byte and double-byte character sets. It
diff --git a/dlls/vbscript/tests/api.vbs b/dlls/vbscript/tests/api.vbs
index a44f8e6d884..8c92cf5cd40 100644
--- a/dlls/vbscript/tests/api.vbs
+++ b/dlls/vbscript/tests/api.vbs
@@ -1324,46 +1324,4 @@ Call testRGBError(&h4d&, -2, &h2f&, 5)
 
 Call ok(getVT(Timer) = "VT_R4", "getVT(Timer) = " & getVT(Timer))
 
-
-Sub testAscError(strings, error_num)
-    on error resume next
-    Dim x
-
-    Call Err.clear()
-    x = Asc(strings)
-    Call ok(Err.number = error_num, "Err.number = " & Err.number)
-End Sub
-
-Call ok(Asc(0) = 48, "Asc(0) = " & Asc(0))
-Call ok(getVT(Asc(0)) = "VT_I2", "getVT(Asc(0)) = " & getVT(Asc(0)))
-Call ok(Asc(-32769) = 45, "Asc(-32769) = " & Asc(-32769))
-Call ok(getVT(Asc(-32769)) = "VT_I2", "getVT(Asc(-32769)) = " & getVT(Asc(-32769)))
-Call ok(Asc(CSng(90.68)) = 57, "Asc(CSng(90.68)) = " & Asc(CSng(90.68)))
-Call ok(getVT(Asc(CSng(90.68))) = "VT_I2", "getVT(Asc(CSng(90.68))) = " & getVT(Asc(CSng(90.68))))
-Call ok(Asc(123) = 49, "Asc(123) = " & Asc(123))
-Call ok(getVT(Asc(123)) = "VT_I2", "getVT(Asc(123)) = " & getVT(Asc(123)))
-Call ok(Asc(CCur(234)) = 50, "Asc(CCur(234)) = " & Asc(CCur(234)))
-Call ok(getVT(Asc(CCur(234))) = "VT_I2", "getVT(Asc(CCur(234))) = " & getVT(Asc(CCur(234))))
-Call ok(Asc("abc") = 97, "Asc(""abc"") = " & Asc("abc"))
-Call ok(getVT(Asc("abc")) = "VT_I2", "getVT(Asc(""abc"")) = " & getVT(Asc("abc")))
-Call ok(Asc("?") = 63, "Asc(""?"") = " & Asc("?"))
-Call ok(getVT(Asc("?")) = "VT_I2", "getVT(Asc(""?"")) = " & getVT(Asc("?")))
-Call ok(Asc(" space") = 32, "Asc("" space"") = " & Asc(" space"))
-Call ok(getVT(Asc(" space")) = "VT_I2", "getVT(Asc("" space"")) = " & getVT(Asc(" space")))
-Call ok(Asc("@") = 64, "Asc(""@"") = " & Asc("@"))
-Call ok(getVT(Asc("@")) = "VT_I2", "getVT(Asc(""@"")) = " & getVT(Asc("@")))
-Call ok(Asc("\n") = 92, "Asc(""\n"") = " & Asc("\n"))
-Call ok(getVT(Asc("\n")) = "VT_I2", "getVT(Asc(""\n"")) = " & getVT(Asc("\n")))
-if isEnglishLang then
-    Call ok(Asc(False) = 70, "Asc(False) = " & Asc(False))
-    Call ok(getVT(Asc(False)) = "VT_I2", "getVT(Asc(False)) = " & getVT(Asc(False)))
-    Call ok(Asc(True) = 84, "Asc(True) = " & Asc(True))
-    Call ok(getVT(Asc(True)) = "VT_I2", "getVT(Asc(True)) = " & getVT(Asc(True)))
-End if
-Call ok(Asc(CByte(7)) = 55, "Asc(CByte(7)) = " & Asc(CByte(7)))
-Call ok(getVT(Asc(CByte(7))) = "VT_I2", "getVT(Asc(CByte(7))) = " & getVT(Asc(CByte(7))))
-Call testAscError(Empty, 5)
-Call testAscError(Null, 94)
-Call testAscError("", 5)
-
 Call reportSuccess()