diff --git a/test/externalTests.sh b/test/externalTests.sh
index 1cc0af19e..11972eaed 100755
--- a/test/externalTests.sh
+++ b/test/externalTests.sh
@@ -44,53 +44,6 @@ DIR=$(mktemp -d)
     npm install
     find . -name soljson.js -exec cp "$SOLJSON" {} \;
 
-    # This is a patch that lets truffle ignore the pre-release compiler warning
-    cat > truffle.patch <<EOF
---- node_modules/truffle/build/cli.bundled.js	2017-11-27 16:56:47.114830112 +0100
-+++ /tmp/patched	2017-11-27 16:52:31.887064115 +0100
-@@ -313846,9 +313846,12 @@
-     });
- 
-     output = JSON.parse(output);
-+	var errors = output.errors.filter(function(solidity_error) {
-+		return solidity_error.formattedMessage.indexOf("pre-release compiler") < 0;
-+    });
- 
--    if (output.errors) {
--      throw new CompileError(output.errors[0].formattedMessage);
-+    if (errors) {
-+      throw new CompileError(errors[0].formattedMessage);
-     }
- 
-     return {
-@@ -313901,9 +313904,13 @@
-       return {error: importErrorKey};
-     });
- 
--    output = JSON.parse(output);
-+	output = JSON.parse(output);
-+	
-+	var errors = output.errors.filter(function(solidity_error) {
-+		return solidity_error.formattedMessage.indexOf("pre-release compiler") < 0;
-+    });
- 
--    var nonImportErrors = output.errors.filter(function(solidity_error) {
-+    var nonImportErrors = errors.filter(function(solidity_error) {
-       // If the import error key is not found, we must not have an import error.
-       // This means we have a *different* parsing error which we should show to the user.
-       // Note: solc can return multiple parsing errors at once.
-@@ -313917,7 +313924,7 @@
- 
-     // Now, all errors must be import errors.
-     // Filter out our forced import, then get the import paths of the rest.
--    var imports = output.errors.filter(function(solidity_error) {
-+    var imports = errors.filter(function(solidity_error) {
-       return solidity_error.message.indexOf(failingImportFileName) < 0;
-     }).map(function(solidity_error) {
-       var matches = solidity_error.formattedMessage.match(/import[^'"]+("|')([^'"]+)("|');/);
-EOF
-
-    patch node_modules/truffle/build/cli.bundled.js ./truffle.patch
     npm run test
 )
 rm -rf "$DIR"