diff --git a/src/rishka_util.cpp b/src/rishka_util.cpp
deleted file mode 100644
index 2a5feb3..0000000
--- a/src/rishka_util.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-/* 
- * This file is part of the Rishka distribution (https://github.com/rishka-esp32/rishka).
- * Copyright (c) 2024 Nathanne Isip.
- * 
- * This program is free software: you can redistribute it and/or modify  
- * it under the terms of the GNU General Public License as published by  
- * the Free Software Foundation, version 3.
- *
- * This program is distributed in the hope that it will be useful, but 
- * WITHOUT ANY WARRANTY; without even the implied warranty of 
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License 
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <rishka_util.h>
-
-int64_t rishka_double_to_long(double d) {
-    union {
-        double input;
-        int64_t output;
-    } data;
-
-    data.input = d;
-    return data.output;
-}
-
-double rishka_long_to_double(int64_t l) {
-    union {
-        double output;
-        int64_t input;
-    } data;
-
-    data.input = l;
-    return data.output;
-}
\ No newline at end of file
diff --git a/src/rishka_util.h b/src/rishka_util.h
index f577b1c..396c259 100644
--- a/src/rishka_util.h
+++ b/src/rishka_util.h
@@ -37,7 +37,15 @@
  * @param d The double precision floating-point value to be converted.
  * @return The converted long integer value.
  */
-int64_t rishka_double_to_long(double d);
+inline int64_t rishka_double_to_long(double d) {
+    union {
+        double input;
+        int64_t output;
+    } data;
+
+    data.input = d;
+    return data.output;
+}
 
 /**
  * @brief Converts a long integer to a double value.
@@ -47,6 +55,14 @@ int64_t rishka_double_to_long(double d);
  * @param l The long integer value to be converted.
  * @return The converted double precision floating-point value.
  */
-double rishka_long_to_double(int64_t l);
+inline double rishka_long_to_double(int64_t l) {
+    union {
+        double output;
+        int64_t input;
+    } data;
+
+    data.input = l;
+    return data.output;
+}
 
 #endif /* RISHKA_UTIL_H */
\ No newline at end of file