diff --git a/stoc/source/inspect/introspection.cxx b/stoc/source/inspect/introspection.cxx
index 2ca6beb1e8a9..7cd15a7f0eed 100644
--- a/stoc/source/inspect/introspection.cxx
+++ b/stoc/source/inspect/introspection.cxx
@@ -1471,12 +1471,12 @@ struct hashIntrospectionAccessCache_Impl
     {
         if( rObj1.xPropInfo != rObj2.xPropInfo
           || rObj1.xImplClass != rObj2.xImplClass )
-            return sal_False;
+            return false;
 
         sal_Int32 nCount1 = rObj1.aIdlClasses.getLength();
         sal_Int32 nCount2 = rObj2.aIdlClasses.getLength();
         if( nCount1 != nCount2 )
-            return sal_False;
+            return false;
 
         const Reference<XIdlClass>* pRefs1 = rObj1.aIdlClasses.getConstArray();
         const Reference<XIdlClass>* pRefs2 = rObj2.aIdlClasses.getConstArray();
@@ -1525,7 +1525,7 @@ struct TypeProviderAccessCache_Impl
                      const hashTypeProviderKey_Impl & rObj2 ) const
     {
         if( rObj1.xPropInfo != rObj2.xPropInfo )
-            return sal_False;
+            return false;
 
         bool bEqual = false;
         sal_Int32 nLen1 = rObj1.maImpIdSeq.getLength();
diff --git a/stoc/source/javavm/javavm.cxx b/stoc/source/javavm/javavm.cxx
index f1af2524762d..d3fbc33042bd 100644
--- a/stoc/source/javavm/javavm.cxx
+++ b/stoc/source/javavm/javavm.cxx
@@ -855,7 +855,7 @@ JavaVirtualMachine::getJavaVM(css::uno::Sequence< sal_Int8 > const & rProcessId)
         case JFW_E_RUNNING_JVM:
         {
             //This service should make sure that we do not start java twice.
-            OSL_ASSERT(0);
+            OSL_ASSERT(false);
             break;
         }
         case JFW_E_NEED_RESTART:
diff --git a/stoc/source/proxy_factory/proxyfac.cxx b/stoc/source/proxy_factory/proxyfac.cxx
index d4cb32738611..ef76460ed462 100644
--- a/stoc/source/proxy_factory/proxyfac.cxx
+++ b/stoc/source/proxy_factory/proxyfac.cxx
@@ -160,7 +160,7 @@ UnoInterfaceReference FactoryImpl::binuno_queryInterface(
             m_uno2cpp.get() );
         uno_any_destruct( exc, 0 );
         ::cppu::throwException( cpp_exc );
-        OSL_ASSERT( 0 ); // way of no return
+        OSL_ASSERT( false ); // way of no return
         return UnoInterfaceReference(); // for dummy
     }
 }