diff --git a/doc/api/meson.build b/doc/api/meson.build
index 86ca2073..b5018e65 100644
--- a/doc/api/meson.build
+++ b/doc/api/meson.build
@@ -26,19 +26,11 @@ src_doxygen = files(
 	'style/libinputdoxygen.css',
 )
 
-config_noop = configuration_data()
-# Set a dummy replacement to silence meson warnings:
-# meson.build:487: WARNING: Got an empty configuration_data() object and
-# 		   found no substitutions in the input file 'foo'. If you
-# 		   want to copy a file to the build dir, use the 'copy:'
-# 		   keyword argument added in 0.47.0
-config_noop.set('dummy', 'dummy')
-
 doxyfiles = []
 foreach f : src_doxygen
 	df = configure_file(input: f,
 			    output: '@PLAINNAME@',
-			    configuration : config_noop)
+			    copy : true)
 	doxyfiles += [ df ]
 endforeach
 
diff --git a/doc/user/meson.build b/doc/user/meson.build
index 733e1b90..d2c0eb00 100644
--- a/doc/user/meson.build
+++ b/doc/user/meson.build
@@ -168,18 +168,11 @@ src_rst = files(
 	'configuration.rst',
 )
 
-config_noop = configuration_data()
-# Set a dummy replacement to silence meson warnings:
-# meson.build:487: WARNING: Got an empty configuration_data() object and
-# 		   found no substitutions in the input file 'foo'. If you
-# 		   want to copy a file to the build dir, use the 'copy:'
-# 		   keyword argument added in 0.47.0
-config_noop.set('dummy', 'dummy')
 src_sphinx = []
 foreach f : src_rst
 	sf = configure_file(input: f,
 			    output: '@PLAINNAME@',
-			    configuration : config_noop)
+			    copy : true)
 	src_sphinx += [ sf ]
 endforeach
 
diff --git a/meson.build b/meson.build
index f0f7b237..5c8bf1b3 100644
--- a/meson.build
+++ b/meson.build
@@ -2,7 +2,7 @@ project('libinput', 'c',
 	version : '1.16.900',
 	license : 'MIT/Expat',
 	default_options : [ 'c_std=gnu99', 'warning_level=2' ],
-	meson_version : '>= 0.45.0')
+	meson_version : '>= 0.47.0')
 
 libinput_version = meson.project_version().split('.')