diff --git a/checkstyle.xml b/checkstyle.xml
index eaf475b18..2a7a8d05c 100644
--- a/checkstyle.xml
+++ b/checkstyle.xml
@@ -51,7 +51,7 @@
     <module name="TreeWalker">
         <!-- needed for SuppressWarningsFilter -->
         <module name="SuppressWarningsHolder" />
-        
+
         <module name="SuppressWarnings">
             <property name="id" value="checkstyle:suppresswarnings"/>
         </module>
@@ -62,7 +62,10 @@
                         default="checkstyle-xpath-suppressions.xml" />
             <property name="optional" value="true"/>
         </module>
-    
+
+
+        <module name="AvoidStarImport" />
+
         <module name="OuterTypeFilename"/>
         <module name="IllegalTokenText">
             <property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>
diff --git a/providers/env-var/src/main/java/dev/openfeature/contrib/providers/envvar/EnvVarProvider.java b/providers/env-var/src/main/java/dev/openfeature/contrib/providers/envvar/EnvVarProvider.java
index cd1241423..d421242f9 100644
--- a/providers/env-var/src/main/java/dev/openfeature/contrib/providers/envvar/EnvVarProvider.java
+++ b/providers/env-var/src/main/java/dev/openfeature/contrib/providers/envvar/EnvVarProvider.java
@@ -1,6 +1,11 @@
 package dev.openfeature.contrib.providers.envvar;
 
-import dev.openfeature.sdk.*;
+import dev.openfeature.sdk.EvaluationContext;
+import dev.openfeature.sdk.FeatureProvider;
+import dev.openfeature.sdk.Metadata;
+import dev.openfeature.sdk.ProviderEvaluation;
+import dev.openfeature.sdk.Reason;
+import dev.openfeature.sdk.Value;
 import dev.openfeature.sdk.exceptions.FlagNotFoundError;
 import dev.openfeature.sdk.exceptions.ParseError;
 import dev.openfeature.sdk.exceptions.ValueNotConvertableError;
diff --git a/providers/env-var/src/main/java/dev/openfeature/contrib/providers/envvar/EnvironmentKeyTransformer.java b/providers/env-var/src/main/java/dev/openfeature/contrib/providers/envvar/EnvironmentKeyTransformer.java
index 42a8ef83c..1b68fd6f5 100644
--- a/providers/env-var/src/main/java/dev/openfeature/contrib/providers/envvar/EnvironmentKeyTransformer.java
+++ b/providers/env-var/src/main/java/dev/openfeature/contrib/providers/envvar/EnvironmentKeyTransformer.java
@@ -1,6 +1,7 @@
 package dev.openfeature.contrib.providers.envvar;
 
-import java.util.function.*;
+import java.util.function.Function;
+import java.util.function.UnaryOperator;
 
 import lombok.RequiredArgsConstructor;
 import org.apache.commons.lang3.StringUtils;
diff --git a/providers/jsonlogic-eval-provider/src/main/java/dev/openfeature/contrib/providers/jsonlogic/JsonlogicProvider.java b/providers/jsonlogic-eval-provider/src/main/java/dev/openfeature/contrib/providers/jsonlogic/JsonlogicProvider.java
index 8617ac691..3a02598d9 100644
--- a/providers/jsonlogic-eval-provider/src/main/java/dev/openfeature/contrib/providers/jsonlogic/JsonlogicProvider.java
+++ b/providers/jsonlogic-eval-provider/src/main/java/dev/openfeature/contrib/providers/jsonlogic/JsonlogicProvider.java
@@ -1,6 +1,11 @@
 package dev.openfeature.contrib.providers.jsonlogic;
 
-import dev.openfeature.sdk.*;
+import dev.openfeature.sdk.EvaluationContext;
+import dev.openfeature.sdk.FeatureProvider;
+import dev.openfeature.sdk.Metadata;
+import dev.openfeature.sdk.ProviderEvaluation;
+import dev.openfeature.sdk.Reason;
+import dev.openfeature.sdk.Value;
 import dev.openfeature.sdk.exceptions.ParseError;
 import io.github.jamsesso.jsonlogic.JsonLogic;
 import io.github.jamsesso.jsonlogic.JsonLogicException;