diff --git a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyFilterTests.groovy b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyFilterTests.groovy
index 3896defe15..97a32ce063 100644
--- a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyFilterTests.groovy
+++ b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyFilterTests.groovy
@@ -1 +1 @@
-return headers.type == 'good'
\ No newline at end of file
+headers.type == 'good'
\ No newline at end of file
diff --git a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyRouterTests.groovy b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyRouterTests.groovy
index a78de43119..0d6830ea1b 100644
--- a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyRouterTests.groovy
+++ b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyRouterTests.groovy
@@ -1 +1 @@
-return payload.length() > 3 ? 'longStrings' : 'shortStrings'
\ No newline at end of file
+payload.length() > 3 ? 'longStrings' : 'shortStrings'
\ No newline at end of file
diff --git a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyServiceActivatorTests.groovy b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyServiceActivatorTests.groovy
index 96fa19d96a..411be5f59b 100644
--- a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyServiceActivatorTests.groovy
+++ b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyServiceActivatorTests.groovy
@@ -1 +1 @@
-return "groovy-$payload"
\ No newline at end of file
+"groovy-$payload"
\ No newline at end of file
diff --git a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovySplitterTests.groovy b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovySplitterTests.groovy
index 9189295ee4..aa257f1603 100644
--- a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovySplitterTests.groovy
+++ b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovySplitterTests.groovy
@@ -1 +1 @@
-return payload.split(',')
\ No newline at end of file
+payload.split(',')
\ No newline at end of file
diff --git a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyTransformerTests.groovy b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyTransformerTests.groovy
index 96fa19d96a..411be5f59b 100644
--- a/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyTransformerTests.groovy
+++ b/spring-integration-groovy/src/test/java/org/springframework/integration/groovy/config/GroovyTransformerTests.groovy
@@ -1 +1 @@
-return "groovy-$payload"
\ No newline at end of file
+"groovy-$payload"
\ No newline at end of file