diff --git a/kleidicv/include/kleidicv/kleidicv.h b/kleidicv/include/kleidicv/kleidicv.h
index e1aef97e4e6b443b54466aeca3c705114441c11f..6cdc742425f6c025e582107c1ad109455b944f1b 100644
--- a/kleidicv/include/kleidicv/kleidicv.h
+++ b/kleidicv/include/kleidicv/kleidicv.h
@@ -1075,16 +1075,18 @@ KLEIDICV_API_DECLARATION(kleidicv_resize_to_quarter_u8, const uint8_t *src,
 ///                     Must be inline with the choosen upsizing operation, for
 ///                     example `src_height * 2` in case of 2x2.
 ///
-KLEIDICV_API_DECLARATION(kleidicv_resize_linear_u8, const uint8_t *src,
-                         size_t src_stride, size_t src_width, size_t src_height,
-                         uint8_t *dst, size_t dst_stride, size_t dst_width,
-                         size_t dst_height);
+kleidicv_error_t kleidicv_resize_linear_u8(const uint8_t *src,
+                                           size_t src_stride, size_t src_width,
+                                           size_t src_height, uint8_t *dst,
+                                           size_t dst_stride, size_t dst_width,
+                                           size_t dst_height);
 
 /// @copydoc kleidicv_resize_linear_u8
-KLEIDICV_API_DECLARATION(kleidicv_resize_linear_f32, const float *src,
-                         size_t src_stride, size_t src_width, size_t src_height,
-                         float *dst, size_t dst_stride, size_t dst_width,
-                         size_t dst_height);
+kleidicv_error_t kleidicv_resize_linear_f32(const float *src, size_t src_stride,
+                                            size_t src_width, size_t src_height,
+                                            float *dst, size_t dst_stride,
+                                            size_t dst_width,
+                                            size_t dst_height);
 
 /// Calculates vertical derivative approximation with Sobel filter.
 ///
diff --git a/kleidicv/src/resize/resize_linear_api.cpp b/kleidicv/src/resize/resize_linear_api.cpp
index ecf72ddf0b8ac2cd1fe5991947db19470bc4eb92..838d053aeeb43a798aea7cf044398d3801c3ba8b 100644
--- a/kleidicv/src/resize/resize_linear_api.cpp
+++ b/kleidicv/src/resize/resize_linear_api.cpp
@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2024 Arm Limited and/or its affiliates <open-source-office@arm.com>
+// SPDX-FileCopyrightText: 2024 - 2025 Arm Limited and/or its affiliates <open-source-office@arm.com>
 //
 // SPDX-License-Identifier: Apache-2.0
 
@@ -17,14 +17,15 @@ KLEIDICV_MULTIVERSION_C_API(
     KLEIDICV_SVE2_IMPL_IF(&kleidicv::sve2::resize_linear_stripe_f32),
     &kleidicv::sme2::resize_linear_stripe_f32);
 
-namespace kleidicv {
+extern "C" {
 
-static kleidicv_error_t resize_linear_u8(const uint8_t *src, size_t src_stride,
-                                         size_t src_width, size_t src_height,
-                                         uint8_t *dst, size_t dst_stride,
-                                         size_t dst_width, size_t dst_height) {
-  if (!resize_linear_u8_is_implemented(src_width, src_height, dst_width,
-                                       dst_height)) {
+kleidicv_error_t kleidicv_resize_linear_u8(const uint8_t *src,
+                                           size_t src_stride, size_t src_width,
+                                           size_t src_height, uint8_t *dst,
+                                           size_t dst_stride, size_t dst_width,
+                                           size_t dst_height) {
+  if (!kleidicv::resize_linear_u8_is_implemented(src_width, src_height,
+                                                 dst_width, dst_height)) {
     return KLEIDICV_ERROR_NOT_IMPLEMENTED;
   }
   return kleidicv_resize_linear_stripe_u8(src, src_stride, src_width,
@@ -32,12 +33,13 @@ static kleidicv_error_t resize_linear_u8(const uint8_t *src, size_t src_stride,
                                           dst_stride, dst_width, dst_height);
 }
 
-static kleidicv_error_t resize_linear_f32(const float *src, size_t src_stride,
-                                          size_t src_width, size_t src_height,
-                                          float *dst, size_t dst_stride,
-                                          size_t dst_width, size_t dst_height) {
-  if (!resize_linear_f32_is_implemented(src_width, src_height, dst_width,
-                                        dst_height)) {
+kleidicv_error_t kleidicv_resize_linear_f32(const float *src, size_t src_stride,
+                                            size_t src_width, size_t src_height,
+                                            float *dst, size_t dst_stride,
+                                            size_t dst_width,
+                                            size_t dst_height) {
+  if (!kleidicv::resize_linear_f32_is_implemented(src_width, src_height,
+                                                  dst_width, dst_height)) {
     return KLEIDICV_ERROR_NOT_IMPLEMENTED;
   }
   return kleidicv_resize_linear_stripe_f32(src, src_stride, src_width,
@@ -45,10 +47,4 @@ static kleidicv_error_t resize_linear_f32(const float *src, size_t src_stride,
                                            dst_stride, dst_width, dst_height);
 }
 
-}  // namespace kleidicv
-
-KLEIDICV_MULTIVERSION_C_API(kleidicv_resize_linear_u8,
-                            &kleidicv::resize_linear_u8, nullptr, nullptr);
-
-KLEIDICV_MULTIVERSION_C_API(kleidicv_resize_linear_f32,
-                            &kleidicv::resize_linear_f32, nullptr, nullptr);
+}  // extern "C"