diff --git a/pmd-exclude.properties b/pmd-exclude.properties
index f6ee88196..5bf31455e 100644
--- a/pmd-exclude.properties
+++ b/pmd-exclude.properties
@@ -55,7 +55,6 @@ com.thealgorithms.maths.SumOfArithmeticSeries=UselessParentheses
 com.thealgorithms.maths.TrinomialTriangle=UselessParentheses
 com.thealgorithms.maths.VampireNumber=CollapsibleIfStatements
 com.thealgorithms.maths.Volume=UselessParentheses
-com.thealgorithms.matrixexponentiation.Fibonacci=UnnecessaryFullyQualifiedName
 com.thealgorithms.misc.Sparsity=UselessParentheses
 com.thealgorithms.misc.ThreeSumProblem=UselessParentheses
 com.thealgorithms.misc.WordBoggle=UselessParentheses
diff --git a/src/main/java/com/thealgorithms/misc/InverseOfMatrix.java b/src/main/java/com/thealgorithms/matrix/InverseOfMatrix.java
similarity index 98%
rename from src/main/java/com/thealgorithms/misc/InverseOfMatrix.java
rename to src/main/java/com/thealgorithms/matrix/InverseOfMatrix.java
index 706feab0c..13e795a91 100644
--- a/src/main/java/com/thealgorithms/misc/InverseOfMatrix.java
+++ b/src/main/java/com/thealgorithms/matrix/InverseOfMatrix.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.misc;
+package com.thealgorithms.matrix;
 
 /**
  * This class provides methods to compute the inverse of a square matrix
diff --git a/src/main/java/com/thealgorithms/misc/MatrixTranspose.java b/src/main/java/com/thealgorithms/matrix/MatrixTranspose.java
similarity index 97%
rename from src/main/java/com/thealgorithms/misc/MatrixTranspose.java
rename to src/main/java/com/thealgorithms/matrix/MatrixTranspose.java
index 743682780..f91ebc10b 100644
--- a/src/main/java/com/thealgorithms/misc/MatrixTranspose.java
+++ b/src/main/java/com/thealgorithms/matrix/MatrixTranspose.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.misc;
+package com.thealgorithms.matrix;
 
 /**
  *
diff --git a/src/main/java/com/thealgorithms/misc/MedianOfMatrix.java b/src/main/java/com/thealgorithms/matrix/MedianOfMatrix.java
similarity index 95%
rename from src/main/java/com/thealgorithms/misc/MedianOfMatrix.java
rename to src/main/java/com/thealgorithms/matrix/MedianOfMatrix.java
index edeedbbee..c710c60a2 100644
--- a/src/main/java/com/thealgorithms/misc/MedianOfMatrix.java
+++ b/src/main/java/com/thealgorithms/matrix/MedianOfMatrix.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.misc;
+package com.thealgorithms.matrix;
 
 import java.util.ArrayList;
 import java.util.Collections;
diff --git a/src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java b/src/main/java/com/thealgorithms/matrix/MirrorOfMatrix.java
similarity index 98%
rename from src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java
rename to src/main/java/com/thealgorithms/matrix/MirrorOfMatrix.java
index 89dfce3fe..b24fcba75 100644
--- a/src/main/java/com/thealgorithms/misc/MirrorOfMatrix.java
+++ b/src/main/java/com/thealgorithms/matrix/MirrorOfMatrix.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.misc;
+package com.thealgorithms.matrix;
 
 // Problem Statement
 /*
diff --git a/src/main/java/com/thealgorithms/others/PrintAMatrixInSpiralOrder.java b/src/main/java/com/thealgorithms/matrix/PrintAMatrixInSpiralOrder.java
similarity index 94%
rename from src/main/java/com/thealgorithms/others/PrintAMatrixInSpiralOrder.java
rename to src/main/java/com/thealgorithms/matrix/PrintAMatrixInSpiralOrder.java
index ddc37a916..2e735222b 100644
--- a/src/main/java/com/thealgorithms/others/PrintAMatrixInSpiralOrder.java
+++ b/src/main/java/com/thealgorithms/matrix/PrintAMatrixInSpiralOrder.java
@@ -1,62 +1,62 @@
-package com.thealgorithms.others;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class PrintAMatrixInSpiralOrder {
-    /**
-     * Search a key in row and column wise sorted matrix
-     *
-     * @param matrix matrix to be searched
-     * @param row    number of rows matrix has
-     * @param col    number of columns matrix has
-     * @author Sadiul Hakim : https://github.com/sadiul-hakim
-     */
-
-    public List<Integer> print(int[][] matrix, int row, int col) {
-
-        // r traverses matrix row wise from first
-        int r = 0;
-        // c traverses matrix column wise from first
-        int c = 0;
-        int i;
-
-        List<Integer> result = new ArrayList<>();
-
-        while (r < row && c < col) {
-            // print first row of matrix
-            for (i = c; i < col; i++) {
-                result.add(matrix[r][i]);
-            }
-
-            // increase r by one because first row printed
-            r++;
-
-            // print last column
-            for (i = r; i < row; i++) {
-                result.add(matrix[i][col - 1]);
-            }
-
-            // decrease col by one because last column has been printed
-            col--;
-
-            // print rows from last except printed elements
-            if (r < row) {
-                for (i = col - 1; i >= c; i--) {
-                    result.add(matrix[row - 1][i]);
-                }
-
-                row--;
-            }
-
-            // print columns from first except printed elements
-            if (c < col) {
-                for (i = row - 1; i >= r; i--) {
-                    result.add(matrix[i][c]);
-                }
-                c++;
-            }
-        }
-        return result;
-    }
-}
+package com.thealgorithms.matrix;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class PrintAMatrixInSpiralOrder {
+    /**
+     * Search a key in row and column wise sorted matrix
+     *
+     * @param matrix matrix to be searched
+     * @param row    number of rows matrix has
+     * @param col    number of columns matrix has
+     * @author Sadiul Hakim : https://github.com/sadiul-hakim
+     */
+
+    public List<Integer> print(int[][] matrix, int row, int col) {
+
+        // r traverses matrix row wise from first
+        int r = 0;
+        // c traverses matrix column wise from first
+        int c = 0;
+        int i;
+
+        List<Integer> result = new ArrayList<>();
+
+        while (r < row && c < col) {
+            // print first row of matrix
+            for (i = c; i < col; i++) {
+                result.add(matrix[r][i]);
+            }
+
+            // increase r by one because first row printed
+            r++;
+
+            // print last column
+            for (i = r; i < row; i++) {
+                result.add(matrix[i][col - 1]);
+            }
+
+            // decrease col by one because last column has been printed
+            col--;
+
+            // print rows from last except printed elements
+            if (r < row) {
+                for (i = col - 1; i >= c; i--) {
+                    result.add(matrix[row - 1][i]);
+                }
+
+                row--;
+            }
+
+            // print columns from first except printed elements
+            if (c < col) {
+                for (i = row - 1; i >= r; i--) {
+                    result.add(matrix[i][c]);
+                }
+                c++;
+            }
+        }
+        return result;
+    }
+}
diff --git a/src/main/java/com/thealgorithms/others/RotateMatrixBy90Degrees.java b/src/main/java/com/thealgorithms/matrix/RotateMatrixBy90Degrees.java
similarity index 98%
rename from src/main/java/com/thealgorithms/others/RotateMatrixBy90Degrees.java
rename to src/main/java/com/thealgorithms/matrix/RotateMatrixBy90Degrees.java
index 6ad0ef024..9a7f25528 100644
--- a/src/main/java/com/thealgorithms/others/RotateMatrixBy90Degrees.java
+++ b/src/main/java/com/thealgorithms/matrix/RotateMatrixBy90Degrees.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.others;
+package com.thealgorithms.matrix;
 
 import java.util.Scanner;
 /**
diff --git a/src/main/java/com/thealgorithms/matrixexponentiation/Fibonacci.java b/src/main/java/com/thealgorithms/matrix/matrixexponentiation/Fibonacci.java
similarity index 93%
rename from src/main/java/com/thealgorithms/matrixexponentiation/Fibonacci.java
rename to src/main/java/com/thealgorithms/matrix/matrixexponentiation/Fibonacci.java
index afd349330..9c9f97b93 100644
--- a/src/main/java/com/thealgorithms/matrixexponentiation/Fibonacci.java
+++ b/src/main/java/com/thealgorithms/matrix/matrixexponentiation/Fibonacci.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.matrixexponentiation;
+package com.thealgorithms.matrix.matrixexponentiation;
 
 import java.util.Scanner;
 
@@ -55,14 +55,14 @@ public final class Fibonacci {
      */
     public static int[][] fib(int n) {
         if (n == 0) {
-            return Fibonacci.IDENTITY_MATRIX;
+            return IDENTITY_MATRIX;
         } else {
             int[][] cachedResult = fib(n / 2);
             int[][] matrixExpResult = matrixMultiplication(cachedResult, cachedResult);
             if (n % 2 == 0) {
                 return matrixExpResult;
             } else {
-                return matrixMultiplication(Fibonacci.FIB_MATRIX, matrixExpResult);
+                return matrixMultiplication(FIB_MATRIX, matrixExpResult);
             }
         }
     }
diff --git a/src/test/java/com/thealgorithms/misc/InverseOfMatrixTest.java b/src/test/java/com/thealgorithms/matrix/InverseOfMatrixTest.java
similarity index 96%
rename from src/test/java/com/thealgorithms/misc/InverseOfMatrixTest.java
rename to src/test/java/com/thealgorithms/matrix/InverseOfMatrixTest.java
index 2f20de444..930fb377c 100644
--- a/src/test/java/com/thealgorithms/misc/InverseOfMatrixTest.java
+++ b/src/test/java/com/thealgorithms/matrix/InverseOfMatrixTest.java
@@ -1,5 +1,4 @@
-package com.thealgorithms.misc;
-
+package com.thealgorithms.matrix;
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 
 import java.util.stream.Stream;
diff --git a/src/test/java/com/thealgorithms/misc/MatrixTransposeTest.java b/src/test/java/com/thealgorithms/matrix/MatrixTransposeTest.java
similarity index 98%
rename from src/test/java/com/thealgorithms/misc/MatrixTransposeTest.java
rename to src/test/java/com/thealgorithms/matrix/MatrixTransposeTest.java
index cf668807b..0457f3141 100644
--- a/src/test/java/com/thealgorithms/misc/MatrixTransposeTest.java
+++ b/src/test/java/com/thealgorithms/matrix/MatrixTransposeTest.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.misc;
+package com.thealgorithms.matrix;
 
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
diff --git a/src/test/java/com/thealgorithms/misc/MedianOfMatrixTest.java b/src/test/java/com/thealgorithms/matrix/MedianOfMatrixTest.java
similarity index 96%
rename from src/test/java/com/thealgorithms/misc/MedianOfMatrixTest.java
rename to src/test/java/com/thealgorithms/matrix/MedianOfMatrixTest.java
index 19bc66857..db66bb2d1 100644
--- a/src/test/java/com/thealgorithms/misc/MedianOfMatrixTest.java
+++ b/src/test/java/com/thealgorithms/matrix/MedianOfMatrixTest.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.misc;
+package com.thealgorithms.matrix;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
diff --git a/src/test/java/com/thealgorithms/misc/MirrorOfMatrixTest.java b/src/test/java/com/thealgorithms/matrix/MirrorOfMatrixTest.java
similarity index 98%
rename from src/test/java/com/thealgorithms/misc/MirrorOfMatrixTest.java
rename to src/test/java/com/thealgorithms/matrix/MirrorOfMatrixTest.java
index 0da0cf0f8..2d68e1faa 100644
--- a/src/test/java/com/thealgorithms/misc/MirrorOfMatrixTest.java
+++ b/src/test/java/com/thealgorithms/matrix/MirrorOfMatrixTest.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.misc;
+package com.thealgorithms.matrix;
 
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertNull;
diff --git a/src/test/java/com/thealgorithms/others/TestPrintMatrixInSpiralOrder.java b/src/test/java/com/thealgorithms/matrix/TestPrintMatrixInSpiralOrder.java
similarity index 96%
rename from src/test/java/com/thealgorithms/others/TestPrintMatrixInSpiralOrder.java
rename to src/test/java/com/thealgorithms/matrix/TestPrintMatrixInSpiralOrder.java
index 986e72ea4..bb415a586 100644
--- a/src/test/java/com/thealgorithms/others/TestPrintMatrixInSpiralOrder.java
+++ b/src/test/java/com/thealgorithms/matrix/TestPrintMatrixInSpiralOrder.java
@@ -1,4 +1,4 @@
-package com.thealgorithms.others;
+package com.thealgorithms.matrix;
 
 import static org.junit.jupiter.api.Assertions.assertIterableEquals;