diff --git a/instrumentation/log4j/log4j-appender-2.17/javaagent/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/Log4j2Test.java b/instrumentation/log4j/log4j-appender-2.17/javaagent/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/Log4j2Test.java
index 875a7b24f13d..f9aac838a1ab 100644
--- a/instrumentation/log4j/log4j-appender-2.17/javaagent/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/Log4j2Test.java
+++ b/instrumentation/log4j/log4j-appender-2.17/javaagent/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/Log4j2Test.java
@@ -186,8 +186,8 @@ void testStringMapMessage() {
         codeFunctionAssertions(Log4j2Test.class, "testStringMapMessage");
     assertions.addAll(codeFileAndLineAssertions("Log4j2Test.java"));
     assertions.addAll(threadAttributesAssertions());
-    assertions.add(equalTo(AttributeKey.stringKey("log4j.map_message.key1"), "val1"));
-    assertions.add(equalTo(AttributeKey.stringKey("log4j.map_message.key2"), "val2"));
+    assertions.add(equalTo(AttributeKey.stringKey("key1"), "val1"));
+    assertions.add(equalTo(AttributeKey.stringKey("key2"), "val2"));
 
     testing.waitAndAssertLogRecords(
         logRecord ->
@@ -210,7 +210,7 @@ void testStringMapMessageWithSpecialAttribute() {
         codeFunctionAssertions(Log4j2Test.class, "testStringMapMessageWithSpecialAttribute");
     assertions.addAll(codeFileAndLineAssertions("Log4j2Test.java"));
     assertions.addAll(threadAttributesAssertions());
-    assertions.add(equalTo(AttributeKey.stringKey("log4j.map_message.key1"), "val1"));
+    assertions.add(equalTo(AttributeKey.stringKey("key1"), "val1"));
 
     testing.waitAndAssertLogRecords(
         logRecord ->
@@ -233,8 +233,8 @@ void testStructuredDataMapMessage() {
         codeFunctionAssertions(Log4j2Test.class, "testStructuredDataMapMessage");
     assertions.addAll(codeFileAndLineAssertions("Log4j2Test.java"));
     assertions.addAll(threadAttributesAssertions());
-    assertions.add(equalTo(AttributeKey.stringKey("log4j.map_message.key1"), "val1"));
-    assertions.add(equalTo(AttributeKey.stringKey("log4j.map_message.key2"), "val2"));
+    assertions.add(equalTo(AttributeKey.stringKey("key1"), "val1"));
+    assertions.add(equalTo(AttributeKey.stringKey("key2"), "val2"));
 
     testing.waitAndAssertLogRecords(
         logRecord ->
diff --git a/instrumentation/log4j/log4j-appender-2.17/library/src/main/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/internal/LogEventMapper.java b/instrumentation/log4j/log4j-appender-2.17/library/src/main/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/internal/LogEventMapper.java
index 36ec63fcd186..9ce2627c4438 100644
--- a/instrumentation/log4j/log4j-appender-2.17/library/src/main/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/internal/LogEventMapper.java
+++ b/instrumentation/log4j/log4j-appender-2.17/library/src/main/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/internal/LogEventMapper.java
@@ -230,8 +230,7 @@ public static AttributeKey<String> getContextDataAttributeKey(String key) {
   }
 
   public static AttributeKey<String> getMapMessageAttributeKey(String key) {
-    return mapMessageAttributeKeyCache.computeIfAbsent(
-        key, k -> AttributeKey.stringKey("log4j.map_message." + k));
+    return mapMessageAttributeKeyCache.computeIfAbsent(key, AttributeKey::stringKey);
   }
 
   private static void setThrowable(
diff --git a/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/AbstractOpenTelemetryAppenderTest.java b/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/AbstractOpenTelemetryAppenderTest.java
index 9b51bf835faa..0cea625db5ba 100644
--- a/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/AbstractOpenTelemetryAppenderTest.java
+++ b/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/AbstractOpenTelemetryAppenderTest.java
@@ -199,8 +199,8 @@ void logStringMapMessage() {
                             "logStringMapMessage",
                             equalTo(THREAD_NAME, Thread.currentThread().getName()),
                             equalTo(THREAD_ID, Thread.currentThread().getId()),
-                            equalTo(stringKey("log4j.map_message.key1"), "val1"),
-                            equalTo(stringKey("log4j.map_message.key2"), "val2"))));
+                            equalTo(stringKey("key1"), "val1"),
+                            equalTo(stringKey("key2"), "val2"))));
   }
 
   @Test
@@ -224,7 +224,7 @@ void logStringMapMessageWithSpecialAttribute() {
                             "logStringMapMessageWithSpecialAttribute",
                             equalTo(THREAD_NAME, Thread.currentThread().getName()),
                             equalTo(THREAD_ID, Thread.currentThread().getId()),
-                            equalTo(stringKey("log4j.map_message.key1"), "val1"))));
+                            equalTo(stringKey("key1"), "val1"))));
   }
 
   @Test
@@ -263,8 +263,8 @@ void logStructuredDataMessage() {
                             "logStructuredDataMessage",
                             equalTo(THREAD_NAME, Thread.currentThread().getName()),
                             equalTo(THREAD_ID, Thread.currentThread().getId()),
-                            equalTo(stringKey("log4j.map_message.key1"), "val1"),
-                            equalTo(stringKey("log4j.map_message.key2"), "val2"))));
+                            equalTo(stringKey("key1"), "val1"),
+                            equalTo(stringKey("key2"), "val2"))));
   }
 
   private static List<AttributeAssertion> addLocationAttributes(
diff --git a/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/LogReplayOpenTelemetryAppenderTest.java b/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/LogReplayOpenTelemetryAppenderTest.java
index aeccb412fcd9..13a3d7c9bf9a 100644
--- a/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/LogReplayOpenTelemetryAppenderTest.java
+++ b/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/LogReplayOpenTelemetryAppenderTest.java
@@ -102,8 +102,8 @@ void twoLogsStringMapMessage() {
                         "twoLogsStringMapMessage",
                         equalTo(THREAD_NAME, Thread.currentThread().getName()),
                         equalTo(THREAD_ID, Thread.currentThread().getId()),
-                        equalTo(stringKey("log4j.map_message.key1"), "val1"),
-                        equalTo(stringKey("log4j.map_message.key2"), "val2"))));
+                        equalTo(stringKey("key1"), "val1"),
+                        equalTo(stringKey("key2"), "val2"))));
   }
 
   @Test
@@ -136,8 +136,8 @@ void twoLogsStructuredDataMessage() {
                         "twoLogsStructuredDataMessage",
                         equalTo(THREAD_NAME, Thread.currentThread().getName()),
                         equalTo(THREAD_ID, Thread.currentThread().getId()),
-                        equalTo(stringKey("log4j.map_message.key1"), "val1"),
-                        equalTo(stringKey("log4j.map_message.key2"), "val2"))));
+                        equalTo(stringKey("key1"), "val1"),
+                        equalTo(stringKey("key2"), "val2"))));
   }
 
   private static List<AttributeAssertion> addLocationAttributes(
diff --git a/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/internal/LogEventMapperTest.java b/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/internal/LogEventMapperTest.java
index ce374ff97b9b..0232c332d604 100644
--- a/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/internal/LogEventMapperTest.java
+++ b/instrumentation/log4j/log4j-appender-2.17/library/src/test/java/io/opentelemetry/instrumentation/log4j/appender/v2_17/internal/LogEventMapperTest.java
@@ -123,7 +123,7 @@ void testCaptureMapMessageWithSpecialAttribute() {
 
     // then
     verify(logRecordBuilder).setBody("value2");
-    assertThat(attributes.build()).containsOnly(attributeEntry("log4j.map_message.key1", "value1"));
+    assertThat(attributes.build()).containsOnly(attributeEntry("key1", "value1"));
   }
 
   @Test
@@ -146,9 +146,7 @@ void testCaptureMapMessageWithoutSpecialAttribute() {
     // then
     verify(logRecordBuilder, never()).setBody(anyString());
     assertThat(attributes.build())
-        .containsOnly(
-            attributeEntry("log4j.map_message.key1", "value1"),
-            attributeEntry("log4j.map_message.key2", "value2"));
+        .containsOnly(attributeEntry("key1", "value1"), attributeEntry("key2", "value2"));
   }
 
   @Test
@@ -171,9 +169,7 @@ void testCaptureStructuredDataMessage() {
     // then
     verify(logRecordBuilder).setBody("a message");
     assertThat(attributes.build())
-        .containsOnly(
-            attributeEntry("log4j.map_message.key1", "value1"),
-            attributeEntry("log4j.map_message.message", "value2"));
+        .containsOnly(attributeEntry("key1", "value1"), attributeEntry("message", "value2"));
   }
 
   private enum ContextDataAccessorImpl implements ContextDataAccessor<Map<String, String>> {