diff --git a/dlls/propsys/propsys_main.c b/dlls/propsys/propsys_main.c
index 75963d7b6ca..91ebc62127a 100644
--- a/dlls/propsys/propsys_main.c
+++ b/dlls/propsys/propsys_main.c
@@ -280,12 +280,6 @@ HRESULT WINAPI PSRefreshPropertySchema(void)
 
 HRESULT WINAPI PSStringFromPropertyKey(REFPROPERTYKEY pkey, LPWSTR psz, UINT cch)
 {
-    static const WCHAR guid_fmtW[] = {'{','%','0','8','X','-','%','0','4','X','-',
-                                      '%','0','4','X','-','%','0','2','X','%','0','2','X','-',
-                                      '%','0','2','X','%','0','2','X','%','0','2','X',
-                                      '%','0','2','X','%','0','2','X','%','0','2','X','}',0};
-    static const WCHAR pid_fmtW[] = {'%','u',0};
-
     WCHAR pidW[PKEY_PIDSTR_MAX + 1];
     LPWSTR p = psz;
     int len;
@@ -305,8 +299,8 @@ HRESULT WINAPI PSStringFromPropertyKey(REFPROPERTYKEY pkey, LPWSTR psz, UINT cch
         return E_NOT_SUFFICIENT_BUFFER;
     }
 
-    swprintf(psz, cch, guid_fmtW, pkey->fmtid.Data1, pkey->fmtid.Data2,
-             pkey->fmtid.Data3, pkey->fmtid.Data4[0], pkey->fmtid.Data4[1],
+    swprintf(psz, cch, L"{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", pkey->fmtid.Data1,
+             pkey->fmtid.Data2, pkey->fmtid.Data3, pkey->fmtid.Data4[0], pkey->fmtid.Data4[1],
              pkey->fmtid.Data4[2], pkey->fmtid.Data4[3], pkey->fmtid.Data4[4],
              pkey->fmtid.Data4[5], pkey->fmtid.Data4[6], pkey->fmtid.Data4[7]);
 
@@ -315,7 +309,7 @@ HRESULT WINAPI PSStringFromPropertyKey(REFPROPERTYKEY pkey, LPWSTR psz, UINT cch
     *p++ = ' ';
     cch -= GUIDSTRING_MAX - 1 + 1;
 
-    len = swprintf(pidW, ARRAY_SIZE(pidW), pid_fmtW, pkey->pid);
+    len = swprintf(pidW, ARRAY_SIZE(pidW), L"%u", pkey->pid);
 
     if (cch >= len + 1)
     {
diff --git a/dlls/propsys/propvar.c b/dlls/propsys/propvar.c
index dcfee2b0cc6..ae08cd1d8dc 100644
--- a/dlls/propsys/propvar.c
+++ b/dlls/propsys/propvar.c
@@ -245,10 +245,6 @@ HRESULT WINAPI PropVariantToUInt64(REFPROPVARIANT propvarIn, ULONGLONG *ret)
 
 HRESULT WINAPI PropVariantToBoolean(REFPROPVARIANT propvarIn, BOOL *ret)
 {
-    static const WCHAR trueW[] = {'t','r','u','e',0};
-    static const WCHAR falseW[] = {'f','a','l','s','e',0};
-    static const WCHAR true2W[] = {'#','T','R','U','E','#',0};
-    static const WCHAR false2W[] = {'#','F','A','L','S','E','#',0};
     LONGLONG res;
     HRESULT hr;
 
@@ -267,13 +263,13 @@ HRESULT WINAPI PropVariantToBoolean(REFPROPVARIANT propvarIn, BOOL *ret)
             if (!propvarIn->u.pwszVal)
                 return DISP_E_TYPEMISMATCH;
 
-            if (!lstrcmpiW(propvarIn->u.pwszVal, trueW) || !lstrcmpW(propvarIn->u.pwszVal, true2W))
+            if (!lstrcmpiW(propvarIn->u.pwszVal, L"true") || !lstrcmpW(propvarIn->u.pwszVal, L"#TRUE#"))
             {
                 *ret = TRUE;
                 return S_OK;
             }
 
-            if (!lstrcmpiW(propvarIn->u.pwszVal, falseW) || !lstrcmpW(propvarIn->u.pwszVal, false2W))
+            if (!lstrcmpiW(propvarIn->u.pwszVal, L"false") || !lstrcmpW(propvarIn->u.pwszVal, L"#FALSE#"))
             {
                 *ret = FALSE;
                 return S_OK;
@@ -406,11 +402,10 @@ HRESULT WINAPI PropVariantToStringAlloc(REFPROPVARIANT propvarIn, WCHAR **ret)
 
 PCWSTR WINAPI PropVariantToStringWithDefault(REFPROPVARIANT propvarIn, LPCWSTR pszDefault)
 {
-    static const WCHAR str_empty[] = {0};
     if (propvarIn->vt == VT_BSTR)
     {
         if (propvarIn->u.bstrVal == NULL)
-            return str_empty;
+            return L"";
 
         return propvarIn->u.bstrVal;
     }
@@ -580,13 +575,9 @@ HRESULT WINAPI PropVariantChangeType(PROPVARIANT *ppropvarDest, REFPROPVARIANT p
 
 static void PROPVAR_GUIDToWSTR(REFGUID guid, WCHAR *str)
 {
-    static const WCHAR format[] = {'{','%','0','8','X','-','%','0','4','X','-','%','0','4','X',
-        '-','%','0','2','X','%','0','2','X','-','%','0','2','X','%','0','2','X','%','0','2','X',
-        '%','0','2','X','%','0','2','X','%','0','2','X','}',0};
-
-    swprintf(str, 39, format, guid->Data1, guid->Data2, guid->Data3,
-            guid->Data4[0], guid->Data4[1], guid->Data4[2], guid->Data4[3],
-            guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
+    swprintf(str, 39, L"{%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}", guid->Data1,
+            guid->Data2, guid->Data3, guid->Data4[0], guid->Data4[1], guid->Data4[2],
+            guid->Data4[3], guid->Data4[4], guid->Data4[5], guid->Data4[6], guid->Data4[7]);
 }
 
 HRESULT WINAPI InitPropVariantFromGUIDAsString(REFGUID guid, PROPVARIANT *ppropvar)