diff --git a/src/main/java/org/gridsuite/loadflow/server/LoadFlowController.java b/src/main/java/org/gridsuite/loadflow/server/LoadFlowController.java
index 5238e1ae..67955cc4 100644
--- a/src/main/java/org/gridsuite/loadflow/server/LoadFlowController.java
+++ b/src/main/java/org/gridsuite/loadflow/server/LoadFlowController.java
@@ -36,7 +36,6 @@
 
 import static org.gridsuite.computation.service.NotificationService.HEADER_USER_ID;
 import static org.springframework.http.MediaType.APPLICATION_JSON_VALUE;
-import static org.springframework.http.MediaType.TEXT_PLAIN_VALUE;
 
 /**
  * @author Franck Lecuyer <franck.lecuyer at rte-france.com>
@@ -147,13 +146,6 @@ public ResponseEntity<List<String>> getProviders() {
                 .body(loadFlowService.getProviders());
     }
 
-    @GetMapping(value = "/default-provider", produces = TEXT_PLAIN_VALUE)
-    @Operation(summary = "Get loadflow default provider")
-    @ApiResponses(@ApiResponse(responseCode = "200", description = "The load flow default provider has been found"))
-    public ResponseEntity<String> getDefaultLoadflowProvider() {
-        return ResponseEntity.ok().body(loadFlowService.getDefaultProvider());
-    }
-
     @GetMapping(value = "/specific-parameters")
     @Operation(summary = "Get all existing loadflow specific parameters for a given provider, or for all of them")
     @ApiResponses(value = {@ApiResponse(responseCode = "200", description = "The loadflow model-specific parameters")})
diff --git a/src/main/java/org/gridsuite/loadflow/server/LoadFlowParametersController.java b/src/main/java/org/gridsuite/loadflow/server/LoadFlowParametersController.java
index 5cd48129..cc661531 100644
--- a/src/main/java/org/gridsuite/loadflow/server/LoadFlowParametersController.java
+++ b/src/main/java/org/gridsuite/loadflow/server/LoadFlowParametersController.java
@@ -113,16 +113,6 @@ public ResponseEntity<Void> deleteParameters(
         return ResponseEntity.ok().build();
     }
 
-    @PutMapping(value = "/{uuid}/provider")
-    @Operation(summary = "Update provider")
-    @ApiResponse(responseCode = "200", description = "provider was updated")
-    public ResponseEntity<Void> updateProvider(
-            @Parameter(description = "parameters UUID") @PathVariable("uuid") UUID parametersUuid,
-            @RequestBody(required = false) String provider) {
-        parametersService.updateProvider(parametersUuid, provider);
-        return ResponseEntity.ok().build();
-    }
-
     @GetMapping(value = "/{uuid}/provider")
     @Operation(summary = "Get the provider")
     @ApiResponse(responseCode = "200", description = "provider were returned")
diff --git a/src/main/java/org/gridsuite/loadflow/server/service/LoadFlowParametersService.java b/src/main/java/org/gridsuite/loadflow/server/service/LoadFlowParametersService.java
index c2945380..5a6f6e54 100644
--- a/src/main/java/org/gridsuite/loadflow/server/service/LoadFlowParametersService.java
+++ b/src/main/java/org/gridsuite/loadflow/server/service/LoadFlowParametersService.java
@@ -90,9 +90,9 @@ public List<LoadFlowParametersInfos> getAllParameters() {
     @Transactional
     public void updateParameters(UUID parametersUuid, LoadFlowParametersInfos parametersInfos) {
         LoadFlowParametersEntity loadFlowParametersEntity = loadFlowParametersRepository.findById(parametersUuid).orElseThrow();
-        //if the parameters is null it means it's a reset to defaultValues, but we need to keep the provider because it's updated separately
+        //if the parameters is null it means it's a reset to defaultValues
         if (parametersInfos == null) {
-            loadFlowParametersEntity.update(getDefaultParametersValues(loadFlowParametersEntity.getProvider()));
+            loadFlowParametersEntity.update(getDefaultParametersValues());
         } else {
             loadFlowParametersEntity.update(parametersInfos);
         }
@@ -112,14 +112,14 @@ public Optional<UUID> duplicateParameters(UUID sourceParametersUuid) {
 
     public UUID createDefaultParameters() {
         //default parameters
-        LoadFlowParametersInfos defaultParametersInfos = getDefaultParametersValues(defaultProvider);
+        LoadFlowParametersInfos defaultParametersInfos = getDefaultParametersValues();
         return createParameters(defaultParametersInfos);
     }
 
-    public LoadFlowParametersInfos getDefaultParametersValues(String provider) {
+    public LoadFlowParametersInfos getDefaultParametersValues() {
         return LoadFlowParametersInfos.builder()
-                .provider(provider)
-                .limitReduction(getDefaultLimitReductionValueForProvider(provider))
+                .provider(defaultProvider)
+                .limitReduction(getDefaultLimitReductionValueForProvider(defaultProvider))
                 .commonParameters(LoadFlowParameters.load())
                 .specificParametersPerProvider(Map.of())
                 .limitReductions(limitReductionService.createDefaultLimitReductions()).build();
@@ -129,13 +129,6 @@ public List<LimitReductionsByVoltageLevel> getDefaultLimitReductions() {
         return limitReductionService.createDefaultLimitReductions();
     }
 
-    @Transactional
-    public void updateProvider(UUID parametersUuid, String provider) {
-        loadFlowParametersRepository.findById(parametersUuid)
-            .orElseThrow()
-            .setProvider(provider != null ? provider : defaultProvider);
-    }
-
     public LoadFlowParametersInfos toLoadFlowParametersInfos(LoadFlowParametersEntity entity) {
         return LoadFlowParametersInfos.builder()
                 .uuid(entity.getId())
diff --git a/src/test/java/org/gridsuite/loadflow/server/LoadFlowControllerTest.java b/src/test/java/org/gridsuite/loadflow/server/LoadFlowControllerTest.java
index 64953e2f..b0e81683 100644
--- a/src/test/java/org/gridsuite/loadflow/server/LoadFlowControllerTest.java
+++ b/src/test/java/org/gridsuite/loadflow/server/LoadFlowControllerTest.java
@@ -898,16 +898,6 @@ public void getProvidersTest() {
         assertTrue(providers.contains("OpenLoadFlow"));
     }
 
-    @Test
-    public void getDefaultProviderTest() throws Exception {
-        String result = mockMvc.perform(get("/" + VERSION + "/default-provider"))
-                .andExpect(status().isOk())
-                .andExpect(content().contentType(new MediaType(MediaType.TEXT_PLAIN, StandardCharsets.UTF_8)))
-                .andReturn().getResponse().getContentAsString();
-
-        assertTrue(result.contains("OpenLoadFlow"));
-    }
-
     @Test
     public void getSpecificParametersTest() throws Exception {
         // just OpenLoadFlow
diff --git a/src/test/java/org/gridsuite/loadflow/server/LoadFlowParametersTest.java b/src/test/java/org/gridsuite/loadflow/server/LoadFlowParametersTest.java
index 9851e220..fa4c2ad1 100644
--- a/src/test/java/org/gridsuite/loadflow/server/LoadFlowParametersTest.java
+++ b/src/test/java/org/gridsuite/loadflow/server/LoadFlowParametersTest.java
@@ -134,7 +134,7 @@ void testCreate() throws Exception {
 
     @Test
     void testCreateWithDefaultValues() throws Exception {
-        LoadFlowParametersInfos defaultLoadFlowParameters = parametersService.getDefaultParametersValues(defaultLoadFlowProvider);
+        LoadFlowParametersInfos defaultLoadFlowParameters = parametersService.getDefaultParametersValues();
         mockMvc.perform(post(URI_PARAMETERS_BASE + "/default"))
                 .andExpect(status().isOk()).andReturn();
 
@@ -241,7 +241,7 @@ void testUpdate() throws Exception {
     void testResetToDefaultValues() throws Exception {
         limitReductionService.setDefaultValues(List.of(List.of(1.0, 1.0, 1.0, 1.0), List.of(1.0, 1.0, 1.0, 1.0)));
 
-        LoadFlowParametersInfos defaultValues = parametersService.getDefaultParametersValues(defaultLoadFlowProvider);
+        LoadFlowParametersInfos defaultValues = parametersService.getDefaultParametersValues();
         LoadFlowParameters loadFlowParameters = LoadFlowParameters.load();
         LoadFlowParametersInfos parametersToUpdate = LoadFlowParametersInfos.builder()
                 .provider(defaultLoadFlowProvider)
@@ -327,37 +327,6 @@ void testGetAll() throws Exception {
         assertThat(receivedParameters).hasSize(2);
     }
 
-    @Test
-    void testUpdateProvider() throws Exception {
-        LoadFlowParametersInfos parameters = buildParameters();
-
-        UUID parametersUuid = saveAndReturnId(parameters);
-
-        String newProvider = "newProvider";
-
-        mockMvc.perform(put(URI_PARAMETERS_BASE + "/" + parametersUuid + "/provider")
-                .content(newProvider))
-                .andExpect(status().isOk()).andReturn();
-
-        LoadFlowParametersInfos updatedParameters = parametersService.toLoadFlowParametersInfos(parametersRepository.findById(parametersUuid).get());
-
-        assertThat(updatedParameters.getProvider()).isEqualTo(newProvider);
-    }
-
-    @Test
-    void testResetProvider() throws Exception {
-        LoadFlowParametersInfos parameters = buildParameters();
-
-        UUID parametersUuid = saveAndReturnId(parameters);
-
-        mockMvc.perform(put(URI_PARAMETERS_BASE + "/" + parametersUuid + "/provider"))
-                .andExpect(status().isOk()).andReturn();
-
-        LoadFlowParametersEntity securityAnalysisParametersEntity = parametersRepository.findById(parametersUuid).orElseThrow();
-
-        assertEquals(defaultLoadFlowProvider, securityAnalysisParametersEntity.getProvider());
-    }
-
     @Test
     void testGetParametersValues() {
         LoadFlowParametersInfos parameters = buildParameters();