diff --git a/sc/source/filter/inc/formulaparser.hxx b/sc/source/filter/inc/formulaparser.hxx
index cc6101866285..5b8f2d01c808 100644
--- a/sc/source/filter/inc/formulaparser.hxx
+++ b/sc/source/filter/inc/formulaparser.hxx
@@ -125,9 +125,6 @@ public:
                             BiffInputStream& rStrm,
                             const sal_uInt16* pnFmlaSize = 0 ) const;
 
-    /** Converts the passed Boolean value to a similar formula. */
-    ApiTokenSequence    convertBoolToFormula( bool bValue ) const;
-
     /** Converts the passed BIFF error code to a similar formula. */
     ApiTokenSequence    convertErrorToFormula( sal_uInt8 nErrorCode ) const;
 
diff --git a/sc/source/filter/oox/formulaparser.cxx b/sc/source/filter/oox/formulaparser.cxx
index 25c0a260ae4d..f7d96d537d8c 100644
--- a/sc/source/filter/oox/formulaparser.cxx
+++ b/sc/source/filter/oox/formulaparser.cxx
@@ -2796,19 +2796,6 @@ ApiTokenSequence FormulaParser::importFormula( const CellAddress& rBaseAddress,
     return mxImpl->importBiffFormula( rBaseAddress, eType, rStrm, pnFmlaSize );
 }
 
-ApiTokenSequence FormulaParser::convertBoolToFormula( bool bValue ) const
-{
-    if( const FunctionInfo* pFuncInfo = getFuncInfoFromBiffFuncId( bValue ? BIFF_FUNC_TRUE : BIFF_FUNC_FALSE ) )
-    {
-        ApiTokenSequence aTokens( 3 );
-        aTokens[ 0 ].OpCode = pFuncInfo->mnApiOpCode;
-        aTokens[ 1 ].OpCode = OPCODE_OPEN;
-        aTokens[ 2 ].OpCode = OPCODE_CLOSE;
-        return aTokens;
-    }
-    return ApiTokenSequence();
-}
-
 ApiTokenSequence FormulaParser::convertErrorToFormula( sal_uInt8 nErrorCode ) const
 {
     ApiTokenSequence aTokens( 3 );
diff --git a/unusedcode.easy b/unusedcode.easy
index 1ff55b9f37b1..a0a593af8436 100644
--- a/unusedcode.easy
+++ b/unusedcode.easy
@@ -303,7 +303,6 @@ oglcanvas::TextLayout::draw(com::sun::star::rendering::ViewState const&, com::su
 oox::AttributeConversion::decodeDouble(rtl::OUString const&)
 oox::core::Decrypt::aes128cbc(std::vector<unsigned char, std::allocator<unsigned char> >&, std::vector<unsigned char, std::allocator<unsigned char> >&, std::vector<unsigned char, std::allocator<unsigned char> >&, std::vector<unsigned char, std::allocator<unsigned char> >&)
 oox::xls::BiffDrawingObjectBase::BiffDrawingObjectBase(oox::xls::WorksheetHelper const&)
-oox::xls::FormulaParser::convertBoolToFormula(bool) const
 oox::xls::WorkbookHelper::getDocShell()
 oox::xls::WorksheetGlobals::getColumns(oox::ValueRange const&) const
 oox::xls::WorksheetGlobals::getRows(oox::ValueRange const&) const