diff --git a/examples/platform/silabs/efr32/BUILD.gn b/examples/platform/silabs/efr32/BUILD.gn
index d1512a2c3cc351..7a249bff8edb21 100644
--- a/examples/platform/silabs/efr32/BUILD.gn
+++ b/examples/platform/silabs/efr32/BUILD.gn
@@ -287,16 +287,7 @@ source_set("efr32-common") {
   }
 
   if (chip_enable_wifi) {
-    if (use_rs9116) {
-      sources += rs911x_src_plat
-
-      # All the stuff from wiseconnect
-      sources += rs911x_src_sapi
-      include_dirs += rs911x_inc_plat
-
-      #add compilation flags for rs991x build. This will be addressed directly in wiseconnect sdk in the next version release of that sdk
-      cflags = rs911x_cflags
-    } else if (use_SiWx917) {
+    if (use_rs9116 || use_SiWx917) {
       sources += rs911x_src_plat
 
       # All the stuff from wiseconnect
diff --git a/third_party/silabs/efr32_sdk.gni b/third_party/silabs/efr32_sdk.gni
index 447f24e2e7c248..26930595607231 100644
--- a/third_party/silabs/efr32_sdk.gni
+++ b/third_party/silabs/efr32_sdk.gni
@@ -190,18 +190,7 @@ template("efr32_sdk") {
     ]
 
     if (defined(invoker.chip_enable_wifi) && invoker.chip_enable_wifi) {
-      if (use_rs9116) {
-        defines += [
-          "SL_HEAP_SIZE=32768",
-          "SL_WIFI=1",
-          "SL_WFX_USE_SPI",
-          "EFX32_RS911X=1",
-          "RS911X_WIFI",
-          "RSI_WLAN_ENABLE",
-          "RSI_SPI_INTERFACE",
-          "RSI_WITH_OS",
-        ]
-      } else if (use_SiWx917) {
+      if (use_rs9116 || use_SiWx917) {
         defines += [
           "SL_HEAP_SIZE=32768",
           "SL_WIFI=1",