diff --git a/src/benchmark.cc b/src/benchmark.cc
index ac5e9a2b7..fac0cae5d 100644
--- a/src/benchmark.cc
+++ b/src/benchmark.cc
@@ -102,7 +102,7 @@ void print_results(Group& g) {
         p = t.size() <= 7 ? 9 - t.size() : 2;
         cout << "|  " << text::yellow(t) << fastring(p, ' ') << "|\n";
     }
-} 
+}
 
 } // xx
 
diff --git a/src/fastring.cc b/src/fastring.cc
index 9aebfd659..d423e7f22 100644
--- a/src/fastring.cc
+++ b/src/fastring.cc
@@ -155,7 +155,7 @@ fastring& fastring::trim(char c, char d) {
       case 'R':
         e = _size;
         while (e > 0 && _p[e - 1] == c) --e;
-        e != _size ? (void)(_size = e) : (void)0;
+        if (e != _size) _size = e;
         break;
       case 'l':
       case 'L':
@@ -166,7 +166,7 @@ fastring& fastring::trim(char c, char d) {
       default:
         b = 0, e = _size;
         while (e > 0 && _p[e - 1] == c) --e;
-        e != _size ? (void)(_size = e) : (void)0;
+        if (e != _size) _size = e;
         while (b < _size && _p[b] == c) ++b;
         if (b != 0 && (_size -= b) != 0) memmove(_p, _p + b, _size);
         break;
@@ -190,7 +190,7 @@ fastring& fastring::trim(const char* x, char d) {
       case 'R':
         e = _size;
         while (e > 0 && bs[p[e - 1]]) --e;
-        e != _size ? (void)(_size = e) : (void)0;
+        if (e != _size) _size = e;
         break;
       case 'l':
       case 'L':
@@ -201,7 +201,7 @@ fastring& fastring::trim(const char* x, char d) {
       default:
         b = 0, e = _size;
         while (e > 0 && bs[p[e - 1]]) --e;
-        e != _size ? (void)(_size = e) : (void)0;
+        if (e != _size) _size = e;
         while (b < _size && bs[p[b]]) ++b;
         if (b != 0 && (_size -= b) != 0) memmove(_p, _p + b, _size);
         break;
diff --git a/src/fs_win.cc b/src/fs_win.cc
index a5772fbbf..c055f334b 100644
--- a/src/fs_win.cc
+++ b/src/fs_win.cc
@@ -151,9 +151,8 @@ inline bool is_dot_or_dotdot(const wchar_t* p) {
 }
 
 static bool _rmdir(fastring& s, wchar_t c) {
-    const wchar_t* t = L"*";
     const size_t n = s.size();
-    pathcat(s, c, t);
+    pathcat(s, c, L"*");
 
     WIN32_FIND_DATAW e;
     HANDLE h = FindFirstFileW((PWC)s.data(), &e);