diff --git a/delta_performer_unittest.cc b/delta_performer_unittest.cc
index b820ab8..f9c1648 100644
--- a/delta_performer_unittest.cc
+++ b/delta_performer_unittest.cc
@@ -159,7 +159,7 @@
     LOG(INFO) << "Generating a mismatched private key.";
     ASSERT_EQ(0,
               System(StringPrintf(
-                  "/usr/bin/openssl genrsa -out %s 2048",
+                  "openssl genrsa -out %s 2048",
                   private_key_path.c_str())));
   }
   int signature_size = GetSignatureSize(private_key_path);
@@ -192,7 +192,7 @@
   ScopedPathUnlinker sig_unlinker(sig_file);
   ASSERT_EQ(0,
             System(StringPrintf(
-                "/usr/bin/openssl rsautl -raw -sign -inkey %s -in %s -out %s",
+                "openssl rsautl -raw -sign -inkey %s -in %s -out %s",
                 private_key_path.c_str(),
                 hash_file.c_str(),
                 sig_file.c_str())));
@@ -203,7 +203,7 @@
       signature_test == kSignatureGeneratedShellRotateCl2) {
     ASSERT_EQ(0,
               System(StringPrintf(
-                  "/usr/bin/openssl rsautl -raw -sign -inkey %s -in %s -out %s",
+                  "openssl rsautl -raw -sign -inkey %s -in %s -out %s",
                   kUnittestPrivateKey2Path,
                   hash_file.c_str(),
                   sig_file2.c_str())));
diff --git a/payload_signer.cc b/payload_signer.cc
index d8993d9..0feb1b6 100644
--- a/payload_signer.cc
+++ b/payload_signer.cc
@@ -159,7 +159,7 @@
   // This runs on the server, so it's okay to cop out and call openssl
   // executable rather than properly use the library
   vector<string> cmd;
-  base::SplitString("/usr/bin/openssl rsautl -raw -sign -inkey x -in x -out x",
+  base::SplitString("openssl rsautl -raw -sign -inkey x -in x -out x",
                     ' ',
                     &cmd);
   cmd[cmd.size() - 5] = private_key_path;