diff --git a/.gitignore b/.gitignore
index 2f1631fb4b9d..e3e382af6195 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,6 +14,7 @@
 *.orig
 *.rej
 *.swp
+*.wasm
 **/._*
 **/.criterion/
 **/*.rs.bk
diff --git a/master.wasm b/master.wasm
deleted file mode 100644
index 7ebb14371243..000000000000
Binary files a/master.wasm and /dev/null differ
diff --git a/modified.wasm b/modified.wasm
deleted file mode 100644
index 7ebb14371243..000000000000
Binary files a/modified.wasm and /dev/null differ
diff --git a/substrate/kitchensink_runtime.wasm b/substrate/kitchensink_runtime.wasm
deleted file mode 100644
index 7ebb14371243..000000000000
Binary files a/substrate/kitchensink_runtime.wasm and /dev/null differ