diff --git a/.travis.yml b/.travis.yml
index 60b56e27..c3159872 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -123,7 +123,7 @@ script:
   # Build hyperrogue.
   if [[ "$TRAVIS_BUILD_SYSTEM" == "autotools" ]]; then
     autoreconf -vi
-    ./configure CXXFLAGS="-Wall -Werror -Wno-error=unused-result"
+    ./configure CXXFLAGS="-Wall -Werror"
     make
   elif [[ "$TRAVIS_BUILD_SYSTEM" == "Makefile" ]]; then
     make -f Makefile.simple
diff --git a/Makefile.simple b/Makefile.simple
index d739aa93..0e5466ce 100644
--- a/Makefile.simple
+++ b/Makefile.simple
@@ -88,7 +88,7 @@ endif
 ifeq (${TOOLCHAIN},gcc)
   CXXFLAGS_EARLY += -std=c++11 -march=native
   CXXFLAGS_EARLY += -W -Wall -Wextra -Werror
-  CXXFLAGS_EARLY += -Wno-empty-body -Wno-maybe-uninitialized -Wno-missing-field-initializers -Wno-unused-parameter -Wno-unused-result
+  CXXFLAGS_EARLY += -Wno-maybe-uninitialized -Wno-missing-field-initializers -Wno-unused-parameter
 endif
 
 ifeq (${TOOLCHAIN},mingw)
diff --git a/config.cpp b/config.cpp
index 115c0b38..d7ece9fd 100644
--- a/config.cpp
+++ b/config.cpp
@@ -106,10 +106,8 @@ void loadcs(FILE *f, charstyle& cs, int xvernum) {
 
   if(err) cs.charid = gflags & 15;
   if(err) vid.samegender = (gflags & 16) ? true : false;
-  if(cs.charid == 3) if(fscanf(f, "%x", &cs.dresscolor2)) 
-    ;
-  if(xvernum >= 8990) if(fscanf(f, "%x", &cs.uicolor)) 
-    ;
+  if(cs.charid == 3) hr::ignore(fscanf(f, "%x", &cs.dresscolor2));
+  if(xvernum >= 8990) hr::ignore(fscanf(f, "%x", &cs.uicolor));
   }
 #endif
 
@@ -402,8 +400,7 @@ void saveConfig() {
 
 void readf(FILE *f, ld& x) {
   double fl = x; 
-  if(fscanf(f, "%lf", &fl)) 
-    ; 
+  hr::ignore(fscanf(f, "%lf", &fl));
   x = fl;
   }
 
diff --git a/hyper.h b/hyper.h
index ace9945b..bcb9372d 100644
--- a/hyper.h
+++ b/hyper.h
@@ -10,6 +10,11 @@
 
 namespace hr {
 
+template<class T>
+void ignore(T&&) {
+  // placate GCC's overzealous -Wunused-result
+  }
+
 // functions and types used from the standard library
 using std::vector;
 using std::map;
diff --git a/mapeditor.cpp b/mapeditor.cpp
index 5ed59c8e..61dc72c0 100644
--- a/mapeditor.cpp
+++ b/mapeditor.cpp
@@ -1320,7 +1320,7 @@ namespace mapeditor {
     if(vernum >= 0xA0A0) {
       int tg, wp;
       int nt;
-      fscanf(f, "%d%d%d%d\n", &tg, &nt, &wp, &patterns::subpattern_flags);
+      hr::ignore(fscanf(f, "%d%d%d%d\n", &tg, &nt, &wp, &patterns::subpattern_flags));
       patterns::whichPattern = wp;
       if(tg != geometry) { targetgeometry = eGeometry(tg); stop_game_and_switch_mode(rg::geometry); }
       if(bool(nt) != nonbitrunc) stop_game_and_switch_mode(rg::bitrunc);
diff --git a/rogueviz-kohonen.cpp b/rogueviz-kohonen.cpp
index 01b24238..80dfa1ef 100644
--- a/rogueviz-kohonen.cpp
+++ b/rogueviz-kohonen.cpp
@@ -976,7 +976,7 @@ template<class T> void load_raw(string fname, vector<T>& v) {
   auto s = ftell(f);
   rewind(f);
   v.resize(s / sizeof(v[0]));
-  fread(&v[0], sizeof(v[0]), v.size(), f);
+  hr::ignore(fread(&v[0], sizeof(v[0]), v.size(), f));
   fclose(f);
   }