diff --git a/build.gradle b/build.gradle
index 9b76df2..505019a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -10,8 +10,6 @@ dependencies {
     implementation gradleApi()
     implementation "org.yaml:snakeyaml:${project.snakeyaml_version}"
     implementation "com.google.code.gson:gson:${project.gson_version}"
-    implementation "com.google.guava:guava:${project.guava_version}"
-    implementation "org.apache.commons:commons-lang3:${project.commons_lang3_version}"
 }
 
 javadoc {
diff --git a/gradle.properties b/gradle.properties
index d6471a9..66c532c 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,10 +9,3 @@
 
 	# https://mvnrepository.com/artifact/com.google.code.gson/gson
 	gson_version = 2.10.1
-
-	# https://mvnrepository.com/artifact/com.google.guava/guava
-	guava_version = 33.1.0-jre
-
-	# https://mvnrepository.com/artifact/org.apache.commons/commons-lang3
-	commons_lang3_version = 3.14.0
-
diff --git a/src/main/java/me/fallenbreath/yamlang/Yamlang2JsonlangMapper.java b/src/main/java/me/fallenbreath/yamlang/Yamlang2JsonlangMapper.java
index 190d83a..0993160 100644
--- a/src/main/java/me/fallenbreath/yamlang/Yamlang2JsonlangMapper.java
+++ b/src/main/java/me/fallenbreath/yamlang/Yamlang2JsonlangMapper.java
@@ -1,8 +1,8 @@
 package me.fallenbreath.yamlang;
 
-import com.google.common.io.CharStreams;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import me.fallenbreath.yamlang.utils.IOUtils;
 import org.yaml.snakeyaml.Yaml;
 
 import java.io.FilterReader;
@@ -16,7 +16,7 @@ public class Yamlang2JsonlangMapper extends FilterReader
 {
 	public Yamlang2JsonlangMapper(Reader reader) throws IOException
 	{
-		super(new StringReader(yamlang2Jsonlang(CharStreams.toString(reader))));
+		super(new StringReader(yamlang2Jsonlang(IOUtils.readerToString(reader))));
 	}
 
 	private static String yamlang2Jsonlang(String ymlContent)
diff --git a/src/main/java/me/fallenbreath/yamlang/YamlangPlugin.java b/src/main/java/me/fallenbreath/yamlang/YamlangPlugin.java
index 3f165bc..e4ef827 100644
--- a/src/main/java/me/fallenbreath/yamlang/YamlangPlugin.java
+++ b/src/main/java/me/fallenbreath/yamlang/YamlangPlugin.java
@@ -1,6 +1,6 @@
 package me.fallenbreath.yamlang;
 
-import org.apache.commons.lang3.StringUtils;
+import me.fallenbreath.yamlang.utils.StringUtils;
 import org.gradle.api.Plugin;
 import org.gradle.api.Project;
 import org.gradle.api.Task;
diff --git a/src/main/java/me/fallenbreath/yamlang/utils/IOUtils.java b/src/main/java/me/fallenbreath/yamlang/utils/IOUtils.java
new file mode 100644
index 0000000..83199fc
--- /dev/null
+++ b/src/main/java/me/fallenbreath/yamlang/utils/IOUtils.java
@@ -0,0 +1,19 @@
+package me.fallenbreath.yamlang.utils;
+
+import java.io.IOException;
+import java.io.Reader;
+
+public class IOUtils
+{
+	public static String readerToString(Reader reader) throws IOException
+	{
+		StringBuilder builder = new StringBuilder();
+		char[] buf = new char[4096];
+		int n;
+		while ((n = reader.read(buf)) != -1)
+		{
+			builder.append(buf, 0, n);
+		}
+		return builder.toString();
+	}
+}
diff --git a/src/main/java/me/fallenbreath/yamlang/utils/StringUtils.java b/src/main/java/me/fallenbreath/yamlang/utils/StringUtils.java
new file mode 100644
index 0000000..d20419a
--- /dev/null
+++ b/src/main/java/me/fallenbreath/yamlang/utils/StringUtils.java
@@ -0,0 +1,26 @@
+package me.fallenbreath.yamlang.utils;
+
+public class StringUtils
+{
+	/**
+	 * No need to handle those codepoint things,
+	 * cuz this method is only used to capitalize a gradle source set name
+	 */
+	public static String capitalize(final String str)
+	{
+		if (str == null || str.isEmpty())
+		{
+			return str;
+		}
+
+		char firstChar = str.charAt(0);
+		if (firstChar > 0x7F /* unicode? */ || Character.isUpperCase(firstChar))
+		{
+			return str;
+		}
+		else
+		{
+			return Character.toUpperCase(firstChar) + str.substring(1);
+		}
+	}
+}