The products in question are 31 Xtrackers bond and equity ETFs and one Xtrackers gold ETC. The firm said the reduction is part of the "ongoing optimisation and forward-looking orientation" of the broader Xtrackers range of products.
DWS will lower the annual flat fee for the Xtrackers IE Physical Gold ETC Securities - which allows investors to participate in the performance of gold - from o.12% to 0.11%.
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The ETC currently has around €2.8bn in assets, and DWS said investor interest in gold has increased over the last few weeks due to geopolitical risks.
The largest equity ETF to have its annual fee reduced is the €1.8bn Xtrackers MSCI Japan UCITS ETF 1C, with the annual flat fee lowered to 0.12% from 0.2% alongside the Xtrackers MSCI Brazil UCITS ETF 1C (from 0.65% to 0.25%) and the Xtrackers MSCI Korea UCITS ETF 1C (from 0.65% to 0.45%).
On the bond ETF front, the largest products to have their fees reduced are the Xtrackers II Eurozone Convertible Bond UCITS ETF 1C (from 0.15% to 0.09%) and the Xtrackers II US Treasuries UCITS ETF 1D (from 0.07% to 0.06%), with each having more than €1bn in assets.
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Michael Mohr, global head of Xtrackers products, said: "Competitive fees as well as efficient index tracking and liquid exchange trading are the basis for the success of Xtrackers ETFs with investors.
"We are therefore constantly reviewing where we can facilitate permanent fee reductions in order to provide attractive access to markets."
The other ETFs with reduced annual flat fees include: Xtrackers MSCI World UCITS ETF 2D GBP Hedged; Xtrackers Stoxx Europe 600 UCITS ETF 1D; Xtrackers MSCI Europe Health Care ESG Screened UCITS ETF 1C; Xtrackers II ESG Global Aggregate Bond UCITS ETF 5C EUR Hedged; Xtrackers II Global Inflation-Linked Bond UCITS ETF 1D EUR Hedged; Xtrackers II USD Overnight Rate Swap UCITS ETF 1C; Xtrackers II US Treasuries UCITS ETF 1C; and Xtrackers II US Treasuries 1-3 UCITS ETF 1D.