diff --git a/.travis.yml b/.travis.yml
index fa636c50..abb00f99 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,24 +19,24 @@ matrix:
       - compiler: gcc
         env: |
             label="gcc C++03/11";
-            user_config="using gcc : : g++-4.8 --coverage -fsanitize=address -Werror ;"
+            user_config="using gcc : : g++-4.8 --coverage -fsanitize=address ;"
             enable_coverage=1
             CXXSTD=03,11
       - compiler: gcc
         env: |
             label="gcc 32 bit C++11";
-            user_config="using gcc : : g++-4.8 -m32 -fsanitize=address -Werror ;"
+            user_config="using gcc : : g++-4.8 -m32 -fsanitize=address ;"
             CXXSTD=11
       - compiler: clang
         env: |
             label="clang C++11/17";
-            user_config="using clang : : clang++ -fsanitize=address -Werror ;"
+            user_config="using clang : : clang++ -fsanitize=address ;"
             CXXSTD=11,17
         # sanitized=address not available for 32-bit clang on travis.
       - compiler: clang
         env: |
             label="clang 32 bit";
-            user_config="using clang : : clang++ -m32 -Werror ;"
+            user_config="using clang : : clang++ -m32 ;"
             CXXSTD=03
 
 before_install: