diff --git a/basegfx/test/basegfxtools.cxx b/basegfx/test/basegfxtools.cxx
index a768357c13a5..9c6075919333 100644
--- a/basegfx/test/basegfxtools.cxx
+++ b/basegfx/test/basegfxtools.cxx
@@ -32,14 +32,7 @@ class KeyStopLerpTest : public CppUnit::TestFixture
 {
     utils::KeyStopLerp maKeyStops;
 
-    static std::vector<double> getTestVector()
-    {
-        std::vector<double> aStops(3);
-        aStops[0] = 0.1;
-        aStops[1] = 0.5;
-        aStops[2] = 0.9;
-        return aStops;
-    }
+    static std::vector<double> getTestVector() { return { 0.1, 0.5, 0.9 }; }
 
 public:
     KeyStopLerpTest()
diff --git a/chart2/source/tools/InternalData.cxx b/chart2/source/tools/InternalData.cxx
index c5f9490f01f7..35c615fe2873 100644
--- a/chart2/source/tools/InternalData.cxx
+++ b/chart2/source/tools/InternalData.cxx
@@ -56,9 +56,7 @@ struct lcl_NumberedStringGenerator
     }
     vector< uno::Any > operator()()
     {
-        vector< uno::Any > aRet(1);
-        aRet[0] <<= m_aStub.replaceAt( m_nStubStartIndex, m_nWildcardLength, OUString::number( ++m_nCounter ));
-        return aRet;
+        return { uno::Any(m_aStub.replaceAt( m_nStubStartIndex, m_nWildcardLength, OUString::number( ++m_nCounter ))) };
     }
 private:
     OUString m_aStub;
diff --git a/chart2/source/tools/InternalDataProvider.cxx b/chart2/source/tools/InternalDataProvider.cxx
index 9595cf2375d7..e9beeb6d1d41 100644
--- a/chart2/source/tools/InternalDataProvider.cxx
+++ b/chart2/source/tools/InternalDataProvider.cxx
@@ -369,9 +369,7 @@ InternalDataProvider::InternalDataProvider(
                         aNewCategories.reserve( nLength );
                         for( sal_Int32 nN=0; nN<nLength; nN++)
                         {
-                            vector< uno::Any > aVector(1);
-                            aVector[0] <<= aSimplecategories[nN];
-                            aNewCategories.push_back( aVector );
+                            aNewCategories.push_back( { uno::Any(aSimplecategories[nN]) } );
                         }
                     }
                 }
diff --git a/connectivity/source/drivers/postgresql/pq_databasemetadata.cxx b/connectivity/source/drivers/postgresql/pq_databasemetadata.cxx
index 07e0e85815c1..8f2021608830 100644
--- a/connectivity/source/drivers/postgresql/pq_databasemetadata.cxx
+++ b/connectivity/source/drivers/postgresql/pq_databasemetadata.cxx
@@ -1251,9 +1251,7 @@ css::uno::Reference< XResultSet > DatabaseMetaData::getSchemas(  )
     std::vector< std::vector<Any> > vec;
     while( rs->next() )
     {
-        std::vector<Any> row(1);
-        row[0] <<= xRow->getString(1);
-        vec.push_back( row );
+        vec.push_back( { Any(xRow->getString(1)) } );
     }
 
     // sort public first, sort internal schemas last, sort rest in alphabetic order
diff --git a/sc/source/core/data/column3.cxx b/sc/source/core/data/column3.cxx
index 365cba4d8489..73a2ed613548 100644
--- a/sc/source/core/data/column3.cxx
+++ b/sc/source/core/data/column3.cxx
@@ -723,9 +723,7 @@ void ScColumn::AttachNewFormulaCells( const sc::CellStoreType::position_type& aP
         {
             // Merge into one span.
             // The original two spans are ordered from top to bottom.
-            std::vector<SCROW> aRows(2);
-            aRows[0] = std::min( rNewSharedRows[0], nTopRow);
-            aRows[1] = std::max( rNewSharedRows[3], nBotRow);
+            std::vector<SCROW> aRows { std::min( rNewSharedRows[0], nTopRow), std::max( rNewSharedRows[3], nBotRow) };
             rNewSharedRows.swap( aRows);
         }
         else
diff --git a/sc/source/filter/excel/xestream.cxx b/sc/source/filter/excel/xestream.cxx
index 6c79d99469f1..ac63d34414b5 100644
--- a/sc/source/filter/excel/xestream.cxx
+++ b/sc/source/filter/excel/xestream.cxx
@@ -22,6 +22,7 @@
 #include <utility>
 
 #include <filter/msfilter/util.hxx>
+#include <o3tl/safeint.hxx>
 #include <rtl/ustring.hxx>
 #include <rtl/ustrbuf.hxx>
 #include <rtl/random.h>
@@ -490,26 +491,29 @@ void XclExpBiff8Encrypter::GetDocId( sal_uInt8 pnDocId[16] ) const
 
 void XclExpBiff8Encrypter::Encrypt( SvStream& rStrm, sal_uInt8 nData )
 {
-    vector<sal_uInt8> aByte(1);
-    aByte[0] = nData;
+    vector<sal_uInt8> aByte { nData };
     EncryptBytes(rStrm, aByte);
 }
 
 void XclExpBiff8Encrypter::Encrypt( SvStream& rStrm, sal_uInt16 nData )
 {
-    ::std::vector<sal_uInt8> pnBytes(2);
-    pnBytes[0] = nData & 0xFF;
-    pnBytes[1] = (nData >> 8) & 0xFF;
+    ::std::vector<sal_uInt8> pnBytes
+    {
+        o3tl::narrowing<sal_uInt8>(nData & 0xFF),
+        o3tl::narrowing<sal_uInt8>((nData >> 8) & 0xFF)
+    };
     EncryptBytes(rStrm, pnBytes);
 }
 
 void XclExpBiff8Encrypter::Encrypt( SvStream& rStrm, sal_uInt32 nData )
 {
-    ::std::vector<sal_uInt8> pnBytes(4);
-    pnBytes[0] = nData & 0xFF;
-    pnBytes[1] = (nData >>  8) & 0xFF;
-    pnBytes[2] = (nData >> 16) & 0xFF;
-    pnBytes[3] = (nData >> 24) & 0xFF;
+    ::std::vector<sal_uInt8> pnBytes
+    {
+        o3tl::narrowing<sal_uInt8>(nData & 0xFF),
+        o3tl::narrowing<sal_uInt8>((nData >>  8) & 0xFF),
+        o3tl::narrowing<sal_uInt8>((nData >> 16) & 0xFF),
+        o3tl::narrowing<sal_uInt8>((nData >> 24) & 0xFF)
+    };
     EncryptBytes(rStrm, pnBytes);
 }
 
diff --git a/sdext/source/presenter/PresenterScreen.cxx b/sdext/source/presenter/PresenterScreen.cxx
index 30f1864e8aed..c624adcdf614 100644
--- a/sdext/source/presenter/PresenterScreen.cxx
+++ b/sdext/source/presenter/PresenterScreen.cxx
@@ -663,13 +663,15 @@ void PresenterScreen::ProcessLayout (
                 "Layout"),
             UNO_QUERY_THROW);
 
-        ::std::vector<OUString> aProperties (6);
-        aProperties[0] = "PaneURL";
-        aProperties[1] = "ViewURL";
-        aProperties[2] = "RelativeX";
-        aProperties[3] = "RelativeY";
-        aProperties[4] = "RelativeWidth";
-        aProperties[5] = "RelativeHeight";
+        ::std::vector<OUString> aProperties
+        {
+            "PaneURL",
+            "ViewURL",
+            "RelativeX",
+            "RelativeY",
+            "RelativeWidth",
+            "RelativeHeight"
+        };
         PresenterConfigurationAccess::ForAll(
             xList,
             aProperties,
@@ -692,11 +694,13 @@ void PresenterScreen::ProcessViewDescriptions (
             rConfiguration.GetConfigurationNode("Presenter/Views"),
             UNO_QUERY_THROW);
 
-        ::std::vector<OUString> aProperties (4);
-        aProperties[0] = "ViewURL";
-        aProperties[1] = "Title";
-        aProperties[2] = "AccessibleTitle";
-        aProperties[3] = "IsOpaque";
+        ::std::vector<OUString> aProperties
+        {
+            "ViewURL",
+            "Title",
+            "AccessibleTitle",
+            "IsOpaque"
+        };
         PresenterConfigurationAccess::ForAll(
             xViewDescriptionsNode,
             aProperties,
diff --git a/sdext/source/presenter/PresenterTheme.cxx b/sdext/source/presenter/PresenterTheme.cxx
index 52c2d875d4ef..bf911dd970c4 100644
--- a/sdext/source/presenter/PresenterTheme.cxx
+++ b/sdext/source/presenter/PresenterTheme.cxx
@@ -52,12 +52,13 @@ public:
 
     vector<sal_Int32> ToVector()
     {
-        vector<sal_Int32> aSequence (4);
-        aSequence[0] = mnLeft == mnInvalidValue ? 0 : mnLeft;
-        aSequence[1] = mnTop == mnInvalidValue ? 0 : mnTop;
-        aSequence[2] = mnRight == mnInvalidValue ? 0 : mnRight;
-        aSequence[3] = mnBottom == mnInvalidValue ? 0 : mnBottom;
-        return aSequence;
+        return
+        {
+            mnLeft == mnInvalidValue ? 0 : mnLeft,
+            mnTop == mnInvalidValue ? 0 : mnTop,
+            mnRight == mnInvalidValue ? 0 : mnRight,
+            mnBottom == mnInvalidValue ? 0 : mnBottom
+        };
     };
 
     void Merge (const BorderSize& rBorderSize)
@@ -1034,9 +1035,7 @@ void StyleAssociationContainer::Read (
     if (!xStyleAssociationList.is())
         return;
 
-    ::std::vector<OUString> aProperties (2);
-    aProperties[0] = "ResourceURL";
-    aProperties[1] = "StyleName";
+    ::std::vector<OUString> aProperties { "ResourceURL", "StyleName" };
     PresenterConfigurationAccess::ForAll(
         xStyleAssociationList,
         aProperties,