diff --git a/reactos/tools/buildno/buildno.cpp b/reactos/tools/buildno/buildno.cpp
index 82ba10edfa4..df5f1274b5c 100644
--- a/reactos/tools/buildno/buildno.cpp
+++ b/reactos/tools/buildno/buildno.cpp
@@ -260,6 +260,7 @@ write_h (int build, char *buildstr)
 	  if (memcmp(s1, orig, length) == 0)
 	    {
 	      fclose(h);
+		  free(s1);
 	      return;
 	    }
 	}
@@ -273,6 +274,7 @@ write_h (int build, char *buildstr)
 	       "%s: can not create file \"%s\"!\n",
 	       argv0,
 	       filename);
+	  free(s1);
       return;
     }
   fwrite(s1, 1, strlen(s1), h);
@@ -412,6 +414,8 @@ main (int argc, char * argv [])
 		printf ("%s: no code generated", argv [0]);
 	}
 
+	free(kernel_version_build_type);
+
 	return EXIT_SUCCESS;
 }
 
diff --git a/reactos/tools/xml.cpp b/reactos/tools/xml.cpp
index 56dde4ef0c7..650da1f0040 100644
--- a/reactos/tools/xml.cpp
+++ b/reactos/tools/xml.cpp
@@ -860,6 +860,7 @@ XMLLoadFile (
 
 	if ( !f->open ( filename ) )
 	{
+		delete f;
 		throw XMLFileNotFoundException ( "(virtual)", filename );
 		return NULL;
 	}
@@ -884,6 +885,7 @@ XMLLoadFile (
 		{
 			string location = e->location;
 			delete e;
+			delete f;
 			throw XMLException ( location, "internal tool error: xi:include doesn't have a parent" );
 			return NULL;
 		}
@@ -899,6 +901,7 @@ XMLLoadFile (
 		{
 			string location = e->location;
 			delete e;
+			delete f;
 			throw XMLException ( location, "internal tool error: couldn't find xi:include in parent's sub-elements" );
 			return NULL;
 		}
@@ -910,6 +913,7 @@ XMLLoadFile (
 		e->attributes.resize ( 0 );
 		delete e;
 	}
+	delete f;
 	return head;
 }