diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c
index 768a667901e..17235132eea 100644
--- a/src/mesa/state_tracker/st_context.c
+++ b/src/mesa/state_tracker/st_context.c
@@ -242,7 +242,7 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe,
 
    /* GL limits and extensions */
    st_init_limits(st->pipe->screen, &ctx->Const, &ctx->Extensions);
-   st_init_extensions(st->pipe->screen, ctx->API, &ctx->Const,
+   st_init_extensions(st->pipe->screen, &ctx->Const,
                       &ctx->Extensions, &st->options, ctx->Mesa_DXTn);
 
    /* Enable shader-based fallbacks for ARB_color_buffer_float if needed. */
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index c7bc0ca5009..681723ab0b4 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -407,7 +407,6 @@ get_max_samples_for_formats(struct pipe_screen *screen,
  * Some fine tuning may still be needed.
  */
 void st_init_extensions(struct pipe_screen *screen,
-                        gl_api api,
                         struct gl_constants *consts,
                         struct gl_extensions *extensions,
                         struct st_config_options *options,
@@ -844,17 +843,16 @@ void st_init_extensions(struct pipe_screen *screen,
          consts->DisableVaryingPacking = GL_TRUE;
    }
 
-   if (api == API_OPENGL_CORE) {
-      consts->MaxViewports = screen->get_param(screen, PIPE_CAP_MAX_VIEWPORTS);
-      if (consts->MaxViewports >= 16) {
-         consts->ViewportBounds.Min = -16384.0;
-         consts->ViewportBounds.Max = 16384.0;
-         extensions->ARB_viewport_array = GL_TRUE;
-         extensions->ARB_fragment_layer_viewport = GL_TRUE;
-         if (extensions->AMD_vertex_shader_layer)
-            extensions->AMD_vertex_shader_viewport_index = GL_TRUE;
-      }
+   consts->MaxViewports = screen->get_param(screen, PIPE_CAP_MAX_VIEWPORTS);
+   if (consts->MaxViewports >= 16) {
+      consts->ViewportBounds.Min = -16384.0;
+      consts->ViewportBounds.Max = 16384.0;
+      extensions->ARB_viewport_array = GL_TRUE;
+      extensions->ARB_fragment_layer_viewport = GL_TRUE;
+      if (extensions->AMD_vertex_shader_layer)
+         extensions->AMD_vertex_shader_viewport_index = GL_TRUE;
    }
+
    if (consts->MaxProgramTextureGatherComponents > 0)
       extensions->ARB_texture_gather = GL_TRUE;
 
diff --git a/src/mesa/state_tracker/st_extensions.h b/src/mesa/state_tracker/st_extensions.h
index 8d2724d67f6..faff11fd5d1 100644
--- a/src/mesa/state_tracker/st_extensions.h
+++ b/src/mesa/state_tracker/st_extensions.h
@@ -38,7 +38,6 @@ extern void st_init_limits(struct pipe_screen *screen,
                            struct gl_extensions *extensions);
 
 extern void st_init_extensions(struct pipe_screen *screen,
-                               gl_api api,
                                struct gl_constants *consts,
                                struct gl_extensions *extensions,
                                struct st_config_options *options,
diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c
index 7bc33268e76..df6de737fb6 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -928,7 +928,7 @@ static unsigned get_version(struct pipe_screen *screen,
    _mesa_init_extensions(&extensions);
 
    st_init_limits(screen, &consts, &extensions);
-   st_init_extensions(screen, api, &consts, &extensions, options, GL_TRUE);
+   st_init_extensions(screen, &consts, &extensions, options, GL_TRUE);
 
    return _mesa_get_version(&extensions, &consts, api);
 }