diff --git a/wavbreaker.rpmlintrc b/wavbreaker.rpmlintrc
deleted file mode 100644
index 0bd6953..0000000
--- a/wavbreaker.rpmlintrc
+++ /dev/null
@@ -1,6 +0,0 @@
-# Not real spelling errors:
-addFilter(r" spelling-error \('([Uu]ncheck|wavmerge)',")
-# Use the latest GPLv2 license text
-# https://github.com/thp/wavbreaker/pull/32
-# We will not patch this until/unless upstream merges the PR.
-addFilter(r" incorrect-fsf-address ")
diff --git a/wavbreaker.spec b/wavbreaker.spec
index 6de6779..2c9aea8 100644
--- a/wavbreaker.spec
+++ b/wavbreaker.spec
@@ -69,15 +69,11 @@ sample rate, 16-bit sample size, etc.).
 #   %%py3_shebang_fix contrib/
 # Note also that this package neither BuildRequires nor Requires a Python
 # interpreter.
-find contrib/ -type f -name '*.py' -print \
-    -exec sed --regexp-extended --in-place '1{/^#!/d}' '{}' '+'
-
-
-%conf
-%meson -Dmp3=true -Dogg_vorbis=true
+find contrib/ -type f -name '*.py' -print -exec sed -r -i '1{/^#!/d}' '{}' '+'
 
 
 %build
+%meson -Dmp3=true -Dogg_vorbis=true
 %meson_build