diff --git a/README.md b/README.md
index 8d595cd9..0863c4db 100644
--- a/README.md
+++ b/README.md
@@ -92,7 +92,7 @@ Optionally probably want to create out-of-tree directory to save latest source &
     make -j4 BASE_CACHE=(absolute-path-here)/deps-cache/ SOURCES_PATH=(absolute-path-here)/deps-cache/sources/
     cd ..
     ./autogen.sh
-    ./configure --prefix=`pwd`/depends/x86_64-pc-linux-gnu --enable-debug --with-gui=qt5
+    ./configure --prefix=`pwd`/depends/x86_64-pc-linux-gnu --enable-debug --with-gui=qt5 --enable-libusb
     make
 
 
diff --git a/configure.ac b/configure.ac
index 208d9475..b2e84c37 100644
--- a/configure.ac
+++ b/configure.ac
@@ -321,7 +321,7 @@ AC_DEFINE_UNQUOTED([ENABLE_DBB_APP],[1],[Define to 1 to enable the dbb app])
 fi
 
 if test x$bitcoin_enable_qt = xno; then
-  if test x$enable_daemon] = xno; then
+  if test x$enable_daemon = xno; then
   AM_CONDITIONAL([ENABLE_DBB_APP],[test x$enable_daemon = xyes])
   else
   AM_CONDITIONAL([ENABLE_DBB_APP],[test x$enable_daemon = xyes])
diff --git a/depends/patches/qt/fix_qt_pkgconfig.patch b/depends/patches/qt/fix_qt_pkgconfig.patch
new file mode 100644
index 00000000..34302a9f
--- /dev/null
+++ b/depends/patches/qt/fix_qt_pkgconfig.patch
@@ -0,0 +1,11 @@
+--- old/qtbase/mkspecs/features/qt_module.prf
++++ new/qtbase/mkspecs/features/qt_module.prf
+@@ -245,7 +245,7 @@
+ load(qt_targets)
+ 
+ # this builds on top of qt_common
+-!internal_module:!lib_bundle:if(unix|mingw) {
++unix|mingw {
+     CONFIG += create_pc
+     QMAKE_PKGCONFIG_DESTDIR = pkgconfig
+     host_build: \
diff --git a/src/libbtc/libbtc.pc b/src/libbtc/libbtc.pc
deleted file mode 100644
index 4586da4a..00000000
--- a/src/libbtc/libbtc.pc
+++ /dev/null
@@ -1,12 +0,0 @@
-prefix=/usr/local
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include
-
-Name: libbtc
-Description: C library for manipulating bitcoin data structures
-URL: https://github.com/jonasschnelli/libbtc
-Version: 0.1
-Cflags: -I${includedir}
-Libs: -L${libdir} -lbtc
-