diff --git a/rtl-sdr.spec b/rtl-sdr.spec
index 186080b..37fb14d 100644
--- a/rtl-sdr.spec
+++ b/rtl-sdr.spec
@@ -33,7 +33,6 @@ BuildRequires:  cmake
 BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(libusb-1.0)
 BuildRequires:  pkgconfig(udev)
-BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
 Programs that controls Realtek RTL2832 based DVB dongle in raw mode, so
@@ -68,7 +67,6 @@ Library headers for rtl-sdr driver.
 
 %build
 %cmake \
-  -DCMAKE_BUILD_TYPE=Release \
   -DINSTALL_UDEV_RULES=ON \
   -DUDEV_RULES_PATH=%{_udevrulesdir} \
   -DUDEV_RULES_GROUP=%{rtlsdr_group} \