diff --git a/Source/QtDialog/QCMakeCacheView.cxx b/Source/QtDialog/QCMakeCacheView.cxx
index 88ea049fa..ed11f7b68 100644
--- a/Source/QtDialog/QCMakeCacheView.cxx
+++ b/Source/QtDialog/QCMakeCacheView.cxx
@@ -95,10 +95,7 @@ protected:
     // if there are no children
     if (!m->hasChildren(idx)) {
       bool adv = m->data(idx, QCMakeCacheModel::AdvancedRole).toBool();
-      if (!adv || (adv && this->ShowAdvanced)) {
-        return true;
-      }
-      return false;
+      return !adv || this->ShowAdvanced;
     }
 
     // check children
@@ -554,14 +551,16 @@ QWidget* QCMakeCacheModelDelegate::createEditor(
     QObject::connect(editor, SIGNAL(fileDialogExists(bool)), this,
                      SLOT(setFileDialogFlag(bool)));
     return editor;
-  } else if (type == QCMakeProperty::FILEPATH) {
+  }
+  if (type == QCMakeProperty::FILEPATH) {
     QCMakeFilePathEditor* editor =
       new QCMakeFilePathEditor(p, var.data(Qt::DisplayRole).toString());
     QObject::connect(editor, SIGNAL(fileDialogExists(bool)), this,
                      SLOT(setFileDialogFlag(bool)));
     return editor;
-  } else if (type == QCMakeProperty::STRING &&
-             var.data(QCMakeCacheModel::StringsRole).isValid()) {
+  }
+  if (type == QCMakeProperty::STRING &&
+      var.data(QCMakeCacheModel::StringsRole).isValid()) {
     QCMakeComboBox* editor = new QCMakeComboBox(
       p, var.data(QCMakeCacheModel::StringsRole).toStringList());
     editor->setFrame(false);
diff --git a/Source/cmDependsFortran.cxx b/Source/cmDependsFortran.cxx
index b7e006d76..eb4c1ecd3 100644
--- a/Source/cmDependsFortran.cxx
+++ b/Source/cmDependsFortran.cxx
@@ -712,10 +712,5 @@ bool cmDependsFortran::ModulesDiffer(const char* modFile,
   // Compare the remaining content.  If no compiler id matched above,
   // including the case none was given, this will compare the whole
   // content.
-  if (!cmFortranStreamsDiffer(finModFile, finStampFile)) {
-    return false;
-  }
-
-  // The modules are different.
-  return true;
+  return cmFortranStreamsDiffer(finModFile, finStampFile);
 }
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 7da997581..73522176c 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -1766,9 +1766,7 @@ bool cmSystemTools::CopyFileTime(const char* fromFile, const char* toFile)
   if (!GetFileTime(hFrom, &timeCreation, &timeLastAccess, &timeLastWrite)) {
     return false;
   }
-  if (!SetFileTime(hTo, &timeCreation, &timeLastAccess, &timeLastWrite)) {
-    return false;
-  }
+  return SetFileTime(hTo, &timeCreation, &timeLastAccess, &timeLastWrite) != 0;
 #else
   struct stat fromStat;
   if (stat(fromFile, &fromStat) < 0) {
@@ -1778,11 +1776,8 @@ bool cmSystemTools::CopyFileTime(const char* fromFile, const char* toFile)
   struct utimbuf buf;
   buf.actime = fromStat.st_atime;
   buf.modtime = fromStat.st_mtime;
-  if (utime(toFile, &buf) < 0) {
-    return false;
-  }
+  return utime(toFile, &buf) >= 0;
 #endif
-  return true;
 }
 
 cmSystemToolsFileTime* cmSystemTools::FileTimeNew()
@@ -1828,16 +1823,11 @@ bool cmSystemTools::FileTimeSet(const char* fname, cmSystemToolsFileTime* t)
   if (!h) {
     return false;
   }
-  if (!SetFileTime(h, &t->timeCreation, &t->timeLastAccess,
-                   &t->timeLastWrite)) {
-    return false;
-  }
+  return SetFileTime(h, &t->timeCreation, &t->timeLastAccess,
+                     &t->timeLastWrite) != 0;
 #else
-  if (utime(fname, &t->timeBuf) < 0) {
-    return false;
-  }
+  return utime(fname, &t->timeBuf) >= 0;
 #endif
-  return true;
 }
 
 #ifdef _WIN32