diff --git a/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/network/GraphQLClient.kt b/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/network/GraphQLClient.kt
index c3d1c0a969..8d52134645 100644
--- a/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/network/GraphQLClient.kt
+++ b/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/network/GraphQLClient.kt
@@ -67,20 +67,19 @@ class GraphQLClient(
 
     /**
      * Executes a GraphQL query
-     * @param queryFileName The .graphql file name
+     * @param query The GraphQL query string
      * @param variables Query variables
      * @param dataSerializer Kotlinx serialization serializer for the expected response data type
      * @return GraphQLResponse containing either the deserialized data or error information
      */
     suspend fun <T> execute(
-        queryFileName: String,
+        query: String,
         variables: Map<String, JsonElement> = emptyMap(),
         dataSerializer: KSerializer<T>,
         compress: Boolean = true
     ): GraphQLResponse<T> = withContext(DispatcherProviderHolder.current.io) {
         var connection: HttpURLConnection? = null
         val response: GraphQLResponse<T> = try {
-            val query = loadQuery(queryFileName)
             val request = GraphQLRequest(
                 query = query,
                 variables = variables
@@ -143,17 +142,6 @@ class GraphQLClient(
         response
     }
 
-    /**
-     * Loads GraphQL query from resources
-     * @param queryFilepath The .graphql file path
-     * @return Query string
-     */
-    private fun loadQuery(queryFilepath: String): String {
-        return this::class.java.classLoader?.getResourceAsStream(queryFilepath)?.bufferedReader()?.use {
-            it.readText()
-        } ?: throw IllegalStateException("Could not load GraphQL query file: $queryFilepath")
-    }
-
     private fun gzip(data: ByteArray): ByteArray {
         val byteStream = ByteArrayOutputStream()
         GZIPOutputStream(byteStream).use { gzipStream ->
diff --git a/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/network/SamplingApiService.kt b/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/network/SamplingApiService.kt
index ac9c55d2ca..1cbd0a8c30 100644
--- a/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/network/SamplingApiService.kt
+++ b/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/network/SamplingApiService.kt
@@ -11,7 +11,61 @@ class SamplingApiService(
 ) {
 
     companion object {
-        private const val GET_SAMPLING_CONFIG_QUERY_FILE_PATH = "graphql/GetSamplingConfigQuery.graphql"
+        private val GET_SAMPLING_CONFIG_QUERY = """
+            fragment MatchParts on MatchConfig {
+                regexValue
+                matchValue
+            }
+
+            query GetSamplingConfig(${'$'}organization_verbose_id: String!) {
+                sampling(organization_verbose_id: ${'$'}organization_verbose_id) {
+                    spans {
+                        name {
+                            ...MatchParts
+                        }
+                        attributes {
+                            key {
+                                ...MatchParts
+                            }
+                            attribute {
+                                ...MatchParts
+                            }
+                        }
+                        events {
+                            name {
+                                ...MatchParts
+                            }
+                            attributes {
+                                key {
+                                    ...MatchParts
+                                }
+                                attribute {
+                                    ...MatchParts
+                                }
+                            }
+                        }
+                        samplingRatio
+                    }
+                    logs {
+                        message {
+                            ...MatchParts
+                        }
+                        severityText {
+                            ...MatchParts
+                        }
+                        attributes {
+                            key {
+                                ...MatchParts
+                            }
+                            attribute {
+                                ...MatchParts
+                            }
+                        }
+                        samplingRatio
+                    }
+                }
+            }
+        """.trimIndent()
     }
 
     /**
@@ -23,7 +77,7 @@ class SamplingApiService(
         try {
             val variables = mapOf("organization_verbose_id" to JsonPrimitive(organizationVerboseId))
             val response = graphqlClient.execute(
-                queryFileName = GET_SAMPLING_CONFIG_QUERY_FILE_PATH,
+                query = GET_SAMPLING_CONFIG_QUERY,
                 variables = variables,
                 dataSerializer = SamplingResponse.serializer()
             )
diff --git a/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/replay/exporter/SessionReplayApiService.kt b/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/replay/exporter/SessionReplayApiService.kt
index 4e10fef841..161adc04b4 100644
--- a/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/replay/exporter/SessionReplayApiService.kt
+++ b/sdk/@launchdarkly/observability-android/lib/src/main/kotlin/com/launchdarkly/observability/replay/exporter/SessionReplayApiService.kt
@@ -26,9 +26,131 @@ class SessionReplayApiService(
     }
 
     companion object {
-        private const val INITIALIZE_REPLAY_SESSION_QUERY_FILE_PATH = "graphql/InitializeReplaySession.graphql"
-        private const val IDENTIFY_REPLAY_SESSION_QUERY_FILE_PATH = "graphql/IdentifyReplaySession.graphql"
-        private const val PUSH_PAYLOAD_QUERY_FILE_PATH = "graphql/PushPayload.graphql"
+        private val INITIALIZE_REPLAY_SESSION_QUERY = """
+            fragment MatchParts on MatchConfig {
+                regexValue
+                matchValue
+            }
+
+            mutation initializeSession(
+                ${'$'}session_secure_id: String!
+                ${'$'}organization_verbose_id: String!
+                ${'$'}enable_strict_privacy: Boolean!
+                ${'$'}privacy_setting: String!
+                ${'$'}enable_recording_network_contents: Boolean!
+                ${'$'}clientVersion: String!
+                ${'$'}firstloadVersion: String!
+                ${'$'}clientConfig: String!
+                ${'$'}environment: String!
+                ${'$'}id: String!
+                ${'$'}appVersion: String
+                ${'$'}serviceName: String!
+                ${'$'}client_id: String!
+                ${'$'}network_recording_domains: [String!]
+            ) {
+                initializeSession(
+                    session_secure_id: ${'$'}session_secure_id
+                    organization_verbose_id: ${'$'}organization_verbose_id
+                    enable_strict_privacy: ${'$'}enable_strict_privacy
+                    enable_recording_network_contents: ${'$'}enable_recording_network_contents
+                    clientVersion: ${'$'}clientVersion
+                    firstloadVersion: ${'$'}firstloadVersion
+                    clientConfig: ${'$'}clientConfig
+                    environment: ${'$'}environment
+                    appVersion: ${'$'}appVersion
+                    serviceName: ${'$'}serviceName
+                    fingerprint: ${'$'}id
+                    client_id: ${'$'}client_id
+                    network_recording_domains: ${'$'}network_recording_domains
+                    privacy_setting: ${'$'}privacy_setting
+                ) {
+                    secure_id
+                    project_id
+                    sampling {
+                        spans {
+                            name {
+                                ...MatchParts
+                            }
+                            attributes {
+                                key {
+                                    ...MatchParts
+                                }
+                                attribute {
+                                    ...MatchParts
+                                }
+                            }
+                            events {
+                                name {
+                                    ...MatchParts
+                                }
+                                attributes {
+                                    key {
+                                        ...MatchParts
+                                    }
+                                    attribute {
+                                        ...MatchParts
+                                    }
+                                }
+                            }
+                            samplingRatio
+                        }
+                        logs {
+                            message {
+                                ...MatchParts
+                            }
+                            severityText {
+                                ...MatchParts
+                            }
+                            attributes {
+                                key {
+                                    ...MatchParts
+                                }
+                                attribute {
+                                    ...MatchParts
+                                }
+                            }
+                            samplingRatio
+                        }
+                    }
+                }
+            }
+        """.trimIndent()
+
+        private val IDENTIFY_REPLAY_SESSION_QUERY = """
+            mutation identifySession(
+                ${'$'}session_secure_id: String!
+                ${'$'}user_identifier: String!
+                ${'$'}user_object: Any
+            ) {
+                identifySession(
+                    session_secure_id: ${'$'}session_secure_id
+                    user_identifier: ${'$'}user_identifier
+                    user_object: ${'$'}user_object
+                )
+            }
+        """.trimIndent()
+
+        private val PUSH_PAYLOAD_QUERY = """
+            mutation PushPayload(
+                ${'$'}session_secure_id: String!
+                ${'$'}payload_id: ID!
+                ${'$'}events: ReplayEventsInput!
+                ${'$'}messages: String!
+                ${'$'}resources: String!
+                ${'$'}web_socket_events: String!
+                ${'$'}errors: [ErrorObjectInput]!
+            ) {
+                pushPayload(
+                    session_secure_id: ${'$'}session_secure_id
+                    payload_id: ${'$'}payload_id
+                    events: ${'$'}events
+                    messages: ${'$'}messages
+                    resources: ${'$'}resources
+                    web_socket_events: ${'$'}web_socket_events
+                    errors: ${'$'}errors
+                )
+            }
+        """.trimIndent()
     }
 
     /**
@@ -54,7 +176,7 @@ class SessionReplayApiService(
             "id" to JsonPrimitive("") // TODO: O11Y-631 - remove hardcoded params
         )
         val response = graphqlClient.execute(
-            queryFileName = INITIALIZE_REPLAY_SESSION_QUERY_FILE_PATH,
+            query = INITIALIZE_REPLAY_SESSION_QUERY,
             variables = variables,
             dataSerializer = InitializeReplaySessionResponse.serializer()
         )
@@ -78,7 +200,7 @@ class SessionReplayApiService(
             "user_object" to userObject
         )
         val response = graphqlClient.execute(
-            queryFileName = IDENTIFY_REPLAY_SESSION_QUERY_FILE_PATH,
+            query = IDENTIFY_REPLAY_SESSION_QUERY,
             variables = variables,
             dataSerializer = IdentifySessionResponse.serializer()
         )
@@ -124,7 +246,7 @@ class SessionReplayApiService(
         )
 
         val response = graphqlClient.execute(
-            queryFileName = PUSH_PAYLOAD_QUERY_FILE_PATH,
+            query = PUSH_PAYLOAD_QUERY,
             variables = variables,
             dataSerializer = PushPayloadResponse.serializer()
         )
diff --git a/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/GetSamplingConfigQuery.graphql b/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/GetSamplingConfigQuery.graphql
deleted file mode 100644
index 5d5d7ac053..0000000000
--- a/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/GetSamplingConfigQuery.graphql
+++ /dev/null
@@ -1,53 +0,0 @@
-fragment MatchParts on MatchConfig {
-	regexValue
-	matchValue
-}
-
-query GetSamplingConfig($organization_verbose_id: String!) {
-	sampling(organization_verbose_id: $organization_verbose_id) {
-		spans {
-			name {
-				...MatchParts
-			}
-			attributes {
-				key {
-					...MatchParts
-				}
-				attribute {
-					...MatchParts
-				}
-			}
-			events {
-				name {
-					...MatchParts
-				}
-				attributes {
-					key {
-						...MatchParts
-					}
-					attribute {
-						...MatchParts
-					}
-				}
-			}
-			samplingRatio
-		}
-		logs {
-			message {
-				...MatchParts
-			}
-			severityText {
-				...MatchParts
-			}
-			attributes {
-				key {
-					...MatchParts
-				}
-				attribute {
-					...MatchParts
-				}
-			}
-			samplingRatio
-		}
-	}
-}
diff --git a/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/IdentifyReplaySession.graphql b/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/IdentifyReplaySession.graphql
deleted file mode 100644
index a3ac9c2618..0000000000
--- a/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/IdentifyReplaySession.graphql
+++ /dev/null
@@ -1,11 +0,0 @@
-mutation identifySession(
-	$session_secure_id: String!
-	$user_identifier: String!
-	$user_object: Any
-) {
-	identifySession(
-		session_secure_id: $session_secure_id
-		user_identifier: $user_identifier
-		user_object: $user_object
-	)
-}
diff --git a/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/InitializeReplaySession.graphql b/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/InitializeReplaySession.graphql
deleted file mode 100644
index b0274b197a..0000000000
--- a/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/InitializeReplaySession.graphql
+++ /dev/null
@@ -1,87 +0,0 @@
-fragment MatchParts on MatchConfig {
-	regexValue
-	matchValue
-}
-
-mutation initializeSession(
-	$session_secure_id: String!
-	$organization_verbose_id: String!
-	$enable_strict_privacy: Boolean!
-	$privacy_setting: String!
-	$enable_recording_network_contents: Boolean!
-	$clientVersion: String!
-	$firstloadVersion: String!
-	$clientConfig: String!
-	$environment: String!
-	$id: String!
-	$appVersion: String
-	$serviceName: String!
-	$client_id: String!
-	$network_recording_domains: [String!]
-) {
-	initializeSession(
-		session_secure_id: $session_secure_id
-		organization_verbose_id: $organization_verbose_id
-		enable_strict_privacy: $enable_strict_privacy
-		enable_recording_network_contents: $enable_recording_network_contents
-		clientVersion: $clientVersion
-		firstloadVersion: $firstloadVersion
-		clientConfig: $clientConfig
-		environment: $environment
-		appVersion: $appVersion
-		serviceName: $serviceName
-		fingerprint: $id
-		client_id: $client_id
-		network_recording_domains: $network_recording_domains
-		privacy_setting: $privacy_setting
-	) {
-		secure_id
-		project_id
-		sampling {
-			spans {
-				name {
-					...MatchParts
-				}
-				attributes {
-					key {
-						...MatchParts
-					}
-					attribute {
-						...MatchParts
-					}
-				}
-				events {
-					name {
-						...MatchParts
-					}
-					attributes {
-						key {
-							...MatchParts
-						}
-						attribute {
-							...MatchParts
-						}
-					}
-				}
-				samplingRatio
-			}
-			logs {
-				message {
-					...MatchParts
-				}
-				severityText {
-					...MatchParts
-				}
-				attributes {
-					key {
-						...MatchParts
-					}
-					attribute {
-						...MatchParts
-					}
-				}
-				samplingRatio
-			}
-		}
-	}
-}
diff --git a/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/PushPayload.graphql b/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/PushPayload.graphql
deleted file mode 100644
index 08a0039f10..0000000000
--- a/sdk/@launchdarkly/observability-android/lib/src/main/resources/graphql/PushPayload.graphql
+++ /dev/null
@@ -1,19 +0,0 @@
-mutation PushPayload(
-	$session_secure_id: String!
-	$payload_id: ID!
-	$events: ReplayEventsInput!
-	$messages: String!
-	$resources: String!
-	$web_socket_events: String!
-	$errors: [ErrorObjectInput]!
-) {
-	pushPayload(
-		session_secure_id: $session_secure_id
-		payload_id: $payload_id
-		events: $events
-		messages: $messages
-		resources: $resources
-		web_socket_events: $web_socket_events
-		errors: $errors
-	)
-}
diff --git a/sdk/@launchdarkly/observability-android/lib/src/test/kotlin/com/launchdarkly/observability/network/GraphQLClientTest.kt b/sdk/@launchdarkly/observability-android/lib/src/test/kotlin/com/launchdarkly/observability/network/GraphQLClientTest.kt
index 1069397c57..72cb99ef4e 100644
--- a/sdk/@launchdarkly/observability-android/lib/src/test/kotlin/com/launchdarkly/observability/network/GraphQLClientTest.kt
+++ b/sdk/@launchdarkly/observability-android/lib/src/test/kotlin/com/launchdarkly/observability/network/GraphQLClientTest.kt
@@ -9,7 +9,6 @@ import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.JsonPrimitive
 import org.junit.jupiter.api.AfterEach
 import org.junit.jupiter.api.Assertions.assertEquals
-import org.junit.jupiter.api.Assertions.assertTrue
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertNotNull
@@ -23,6 +22,12 @@ class GraphQLClientTest {
     @Serializable
     data class TestData(val id: String, val name: String)
 
+    private val testQuery = """
+        query EmptyQuery {
+            fakeField
+        }
+    """.trimIndent()
+
     private lateinit var graphQLClient: GraphQLClient
     private lateinit var mockConnection: HttpURLConnection
     private var openConnectionWasCalled: Pair<Boolean, String> = Pair(false, "url")
@@ -51,19 +56,6 @@ class GraphQLClientTest {
         unmockkAll()
     }
 
-    @Test
-    fun `execute should handle missing GraphQL query file`() = runTest {
-        val result = graphQLClient.execute(
-            queryFileName = "nonexistent-query.graphql",
-            dataSerializer = TestData.serializer()
-        )
-
-        assertNull(result.data)
-        assertNotNull(result.errors)
-        assertEquals(1, result.errors.size)
-        assertTrue(result.errors.first().message.contains("Could not load GraphQL query file"))
-    }
-
     @Test
     fun `execute should make successful GraphQL request and return a valid response`() = runTest {
         val responseJson = """{"data": {"id": "123", "name": "John Doe"}}"""
@@ -71,7 +63,7 @@ class GraphQLClientTest {
         every { mockConnection.inputStream } returns ByteArrayInputStream(responseJson.toByteArray())
 
         val result = graphQLClient.execute(
-            queryFileName = "test-query.graphql",
+            query = testQuery,
             variables = mapOf("test_variable" to JsonPrimitive("567")),
             dataSerializer = TestData.serializer()
         )
@@ -91,7 +83,7 @@ class GraphQLClientTest {
         every { mockConnection.inputStream } returns ByteArrayInputStream(responseJson.toByteArray())
 
         val result = graphQLClient.execute(
-            queryFileName = "test-query.graphql",
+            query = testQuery,
             dataSerializer = TestData.serializer()
         )
 
@@ -112,7 +104,7 @@ class GraphQLClientTest {
         every { mockConnection.errorStream } returns ByteArrayInputStream(errorResponse.toByteArray())
 
         val result = graphQLClient.execute(
-            queryFileName = "test-query.graphql",
+            query = testQuery,
             dataSerializer = TestData.serializer()
         )
 
@@ -127,7 +119,7 @@ class GraphQLClientTest {
         every { mockConnection.errorStream } returns null
 
         val result = graphQLClient.execute(
-            queryFileName = "test-query.graphql",
+            query = testQuery,
             dataSerializer = TestData.serializer()
         )
 
@@ -142,7 +134,7 @@ class GraphQLClientTest {
         every { mockConnection.outputStream } throws IOException("Connection failed")
 
         val result = graphQLClient.execute(
-            queryFileName = "test-query.graphql",
+            query = testQuery,
             dataSerializer = TestData.serializer()
         )
 
@@ -159,7 +151,7 @@ class GraphQLClientTest {
         every { mockConnection.inputStream } returns ByteArrayInputStream(responseJson.toByteArray())
 
         graphQLClient.execute(
-            queryFileName = "test-query.graphql",
+            query = testQuery,
             dataSerializer = TestData.serializer()
         )
 
diff --git a/sdk/@launchdarkly/observability-android/lib/src/test/kotlin/com/launchdarkly/observability/network/SamplingApiServiceTest.kt b/sdk/@launchdarkly/observability-android/lib/src/test/kotlin/com/launchdarkly/observability/network/SamplingApiServiceTest.kt
index 4e3f24ff0b..4f193bef37 100644
--- a/sdk/@launchdarkly/observability-android/lib/src/test/kotlin/com/launchdarkly/observability/network/SamplingApiServiceTest.kt
+++ b/sdk/@launchdarkly/observability-android/lib/src/test/kotlin/com/launchdarkly/observability/network/SamplingApiServiceTest.kt
@@ -54,7 +54,7 @@ class SamplingApiServiceTest {
 
             coEvery {
                 mockGraphqlClient.execute(
-                    "graphql/GetSamplingConfigQuery.graphql",
+                    any(),
                     mapOf("organization_verbose_id" to JsonPrimitive(organizationId)),
                     SamplingResponse.serializer()
                 )
@@ -67,7 +67,7 @@ class SamplingApiServiceTest {
 
             coVerify(exactly = 1) {
                 mockGraphqlClient.execute(
-                    "graphql/GetSamplingConfigQuery.graphql",
+                    any(),
                     mapOf("organization_verbose_id" to JsonPrimitive(organizationId)),
                     SamplingResponse.serializer()
                 )
diff --git a/sdk/@launchdarkly/observability-android/lib/src/test/resources/test-query.graphql b/sdk/@launchdarkly/observability-android/lib/src/test/resources/test-query.graphql
deleted file mode 100644
index 06bf9c8fd2..0000000000
--- a/sdk/@launchdarkly/observability-android/lib/src/test/resources/test-query.graphql
+++ /dev/null
@@ -1,4 +0,0 @@
-# Fake graphql query file used in GraphQLClientTest
-query EmptyQuery {
-	fakeField
-}