diff --git a/include/helpers.h b/include/helpers.h
index 9df8c825..f569db52 100644
--- a/include/helpers.h
+++ b/include/helpers.h
@@ -37,9 +37,6 @@ uint64_t getFileSize(std::string filename);
 std::vector<OffsetAndLength> getNewlineChunks(const std::string &filename, uint64_t chunks);
 
 void decompress_string(std::string& output, const char* input, uint32_t inputSize, bool asGzip = false);
-double bboxElementFromStr(const std::string& number);
-
-std::vector<std::string> parseBox(const std::string& bbox);
 
 std::string compress_string(const std::string& str,
                             int compressionlevel = Z_DEFAULT_COMPRESSION,
diff --git a/src/helpers.cpp b/src/helpers.cpp
index a8861a30..1e43146a 100644
--- a/src/helpers.cpp
+++ b/src/helpers.cpp
@@ -5,8 +5,6 @@
 #include <iomanip>
 #include <sstream>
 #include <cstring>
-#include <boost/lexical_cast.hpp>
-#include <boost/algorithm/string.hpp>
 
 #include <sys/stat.h>
 #include "helpers.h"
@@ -25,30 +23,6 @@
 
 using namespace std;
 
-// Bounding box string parsing
-
-double bboxElementFromStr(const std::string& number) {
-	try {
-		return boost::lexical_cast<double>(number);
-	} catch (boost::bad_lexical_cast&) {
-		std::cerr << "Failed to parse coordinate " << number << std::endl;
-		exit(1);
-	}
-}
-
-// Split bounding box provided as a comma-separated list of coordinates.
-std::vector<std::string> parseBox(const std::string& bbox) {
-	std::vector<std::string> bboxParts;
-	if (!bbox.empty()) {
-		boost::split(bboxParts, bbox, boost::is_any_of(","));
-		if (bboxParts.size() != 4) {
-			std::cerr << "Bounding box must contain 4 elements: minlon,minlat,maxlon,maxlat" << std::endl;
-			exit(1);
-		}
-	}
-	return bboxParts;
-}
-
 // zlib routines from http://panthema.net/2007/0328-ZLibString.html
 
 // Compress a STL string using zlib with given compression level, and return the binary data