diff --git a/cpp/fury/util/array_util.cc b/cpp/fury/util/array_util.cc
new file mode 100644
index 0000000000..e7d89f275d
--- /dev/null
+++ b/cpp/fury/util/array_util.cc
@@ -0,0 +1,28 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#pragma once
+#include "fury/util/platform.h"
+#include <cstdint>
+
+namespace fury {
+uint16_t getMaxValue(const uint16_t *arr, size_t length);
+
+void copyArray(const uint16_t *from, uint8_t *to, size_t length);
+} // namespace fury
diff --git a/cpp/fury/util/array_util.h b/cpp/fury/util/array_util.h
index 9bc7053dc9..65a4cd862f 100644
--- a/cpp/fury/util/array_util.h
+++ b/cpp/fury/util/array_util.h
@@ -23,7 +23,7 @@
 
 namespace fury {
 #if defined(FURY_HAS_NEON)
-inline uint16_t getMaxValue(const uint16_t *arr, size_t length) {
+uint16_t getMaxValue(const uint16_t *arr, size_t length) {
   if (length == 0) {
     return 0; // Return 0 for empty arrays
   }
@@ -54,7 +54,7 @@ inline uint16_t getMaxValue(const uint16_t *arr, size_t length) {
   return max_neon;
 }
 
-inline void copyArray(const uint16_t *from, uint8_t *to, size_t length) {
+void copyArray(const uint16_t *from, uint8_t *to, size_t length) {
   size_t i = 0;
   for (; i + 7 < length; i += 8) {
     uint16x8_t src = vld1q_u16(&from[i]);
@@ -68,7 +68,7 @@ inline void copyArray(const uint16_t *from, uint8_t *to, size_t length) {
   }
 }
 #elif defined(FURY_HAS_SSE2)
-inline uint16_t getMaxValue(const uint16_t *arr, size_t length) {
+uint16_t getMaxValue(const uint16_t *arr, size_t length) {
   if (length == 0) {
     return 0; // Return 0 for empty arrays
   }
@@ -100,7 +100,7 @@ inline uint16_t getMaxValue(const uint16_t *arr, size_t length) {
   return max_sse;
 }
 
-inline void copyArray(const uint16_t *from, uint8_t *to, size_t length) {
+void copyArray(const uint16_t *from, uint8_t *to, size_t length) {
   size_t i = 0;
   __m128i mask = _mm_set1_epi16(0xFF); // Mask to zero out the high byte
   for (; i + 7 < length; i += 8) {
@@ -116,7 +116,7 @@ inline void copyArray(const uint16_t *from, uint8_t *to, size_t length) {
   }
 }
 #else
-inline uint16_t getMaxValue(const uint16_t *arr, size_t length) {
+uint16_t getMaxValue(const uint16_t *arr, size_t length) {
   if (length == 0) {
     return 0; // Return 0 for empty arrays
   }
@@ -129,7 +129,7 @@ inline uint16_t getMaxValue(const uint16_t *arr, size_t length) {
   return max_val;
 }
 
-inline void copyArray(const uint16_t *from, uint8_t *to, size_t length) {
+void copyArray(const uint16_t *from, uint8_t *to, size_t length) {
   // Fallback for systems without SSE2/NEON
   for (size_t i = 0; i < length; ++i) {
     to[i] = static_cast<uint8_t>(from[i]);