diff --git a/Common/Data/Format/IniFile.cpp b/Common/Data/Format/IniFile.cpp
index 54396e8164..44916f5c02 100644
--- a/Common/Data/Format/IniFile.cpp
+++ b/Common/Data/Format/IniFile.cpp
@@ -193,7 +193,7 @@ bool Section::GetKeys(std::vector<std::string> &keys) const {
 	keys.clear();
 	for (auto liter = lines_.begin(); liter != lines_.end(); ++liter) {
 		if (!liter->Key().empty())
-			keys.push_back(std::string(liter->Key()));
+			keys.emplace_back(liter->Key());
 	}
 	return true;
 }
diff --git a/Common/File/VFS/ZipFileReader.cpp b/Common/File/VFS/ZipFileReader.cpp
index 501c448a5c..8c9ddc505c 100644
--- a/Common/File/VFS/ZipFileReader.cpp
+++ b/Common/File/VFS/ZipFileReader.cpp
@@ -84,7 +84,7 @@ bool ZipFileReader::GetFileListing(const char *orig_path, std::vector<File::File
 	if (filter) {
 		while (*filter) {
 			if (*filter == ':') {
-				filters.insert("." + tmp);
+				filters.emplace("." + tmp);
 				tmp.clear();
 			} else {
 				tmp.push_back(*filter);
@@ -94,7 +94,7 @@ bool ZipFileReader::GetFileListing(const char *orig_path, std::vector<File::File
 	}
 
 	if (tmp.size())
-		filters.insert("." + tmp);
+		filters.emplace("." + tmp);
 
 	// We just loop through the whole ZIP file and deduce what files are in this directory, and what subdirectories there are.
 	std::set<std::string> files;
@@ -175,7 +175,7 @@ bool ZipFileReader::GetZipListings(const std::string &path, std::set<std::string
 				anyPrefixMatched = true;
 				// It's a file.
 				const char *fn = name + path.size();
-				files.insert(std::string(fn));
+				files.emplace(fn);
 			}
 		}
 	}
diff --git a/Common/Math/expression_parser.cpp b/Common/Math/expression_parser.cpp
index aa9ba4c0a5..553b5b806b 100644
--- a/Common/Math/expression_parser.cpp
+++ b/Common/Math/expression_parser.cpp
@@ -258,7 +258,7 @@ bool initPostfixExpression(const char* infix, IExpressionFunctions* funcs, Postf
 				return false;
 			}
 
-			dest.push_back(ExpressionPair(isFloat?EXCOMM_CONST_FLOAT:EXCOMM_CONST,value));
+			dest.emplace_back(isFloat?EXCOMM_CONST_FLOAT:EXCOMM_CONST,value);
 			lastOpcode = EXOP_NUMBER;
 		} else if ((first >= 'a' && first <= 'z') || first == '@')
 		{
@@ -271,14 +271,14 @@ bool initPostfixExpression(const char* infix, IExpressionFunctions* funcs, Postf
 			uint32_t value;
 			if (funcs->parseReference(subStr,value) == true)
 			{
-				dest.push_back(ExpressionPair(EXCOMM_REF,value));
+				dest.emplace_back(EXCOMM_REF,value);
 				lastOpcode = EXOP_NUMBER;
 				continue;
 			}
 
 			if (funcs->parseSymbol(subStr,value) == true)
 			{
-				dest.push_back(ExpressionPair(EXCOMM_CONST,value));
+				dest.emplace_back(EXCOMM_CONST,value);
 				lastOpcode = EXOP_NUMBER;
 				continue;
 			}
@@ -311,7 +311,7 @@ bool initPostfixExpression(const char* infix, IExpressionFunctions* funcs, Postf
 					ExpressionOpcodeType t = opcodeStack[opcodeStack.size()-1];
 					opcodeStack.pop_back();
 					if (t == EXOP_BRACKETL) break;
-					dest.push_back(ExpressionPair(EXCOMM_OP,t));
+					dest.emplace_back(EXCOMM_OP,t);
 				}
 				break;
 			case EXOP_MEMR:
@@ -326,10 +326,10 @@ bool initPostfixExpression(const char* infix, IExpressionFunctions* funcs, Postf
 					opcodeStack.pop_back();
 					if (t == EXOP_MEML)
 					{
-						dest.push_back(ExpressionPair(EXCOMM_OP,EXOP_MEM));
+						dest.emplace_back(EXCOMM_OP,EXOP_MEM);
 						break;
 					}
-					dest.push_back(ExpressionPair(EXCOMM_OP,t));
+					dest.emplace_back(EXCOMM_OP,t);
 				}
 				type = EXOP_NUMBER;
 				break;
@@ -350,7 +350,7 @@ bool initPostfixExpression(const char* infix, IExpressionFunctions* funcs, Postf
 
 						if (ExpressionOpcodes[t].Priority >= CurrentPriority)
 						{
-							dest.push_back(ExpressionPair(EXCOMM_OP,t));
+							dest.emplace_back(EXCOMM_OP,t);
 						} else {
 							opcodeStack.push_back(t);
 							break;
@@ -375,7 +375,7 @@ bool initPostfixExpression(const char* infix, IExpressionFunctions* funcs, Postf
 			expressionError = "Parenthesis not closed";
 			return false;
 		}
-		dest.push_back(ExpressionPair(EXCOMM_OP,t));
+		dest.emplace_back(EXCOMM_OP,t);
 	}
 
 #if 0			// only for testing
diff --git a/Common/UI/IconCache.cpp b/Common/UI/IconCache.cpp
index f2529ec141..7b5bd0a8b8 100644
--- a/Common/UI/IconCache.cpp
+++ b/Common/UI/IconCache.cpp
@@ -105,7 +105,7 @@ bool IconCache::LoadFromFile(FILE *file) {
 		entry.format = entryHeader.format;
 		entry.insertedTimeStamp = entryHeader.insertedTimestamp;
 		entry.usedTimeStamp = now;
-		cache_.insert(std::pair<std::string, Entry>(key, entry));
+		cache_.emplace(key, entry);
 	}
 
 	return true;
diff --git a/Core/MIPS/IR/IRNativeCommon.cpp b/Core/MIPS/IR/IRNativeCommon.cpp
index 784d0c7ae2..bb1589303b 100644
--- a/Core/MIPS/IR/IRNativeCommon.cpp
+++ b/Core/MIPS/IR/IRNativeCommon.cpp
@@ -683,7 +683,7 @@ void IRNativeBackend::SetBlockCheckedOffset(int block_num, int offset) {
 }
 
 void IRNativeBackend::AddLinkableExit(int block_num, uint32_t pc, int exitStartOffset, int exitLen) {
-	linksTo_.insert(std::make_pair(pc, block_num));
+	linksTo_.emplace(pc, block_num);
 
 	if (block_num >= (int)nativeBlocks_.size())
 		nativeBlocks_.resize(block_num + 1);
diff --git a/Windows/Debugger/CtrlDisAsmView.cpp b/Windows/Debugger/CtrlDisAsmView.cpp
index 8d9809fd8f..597fa3f547 100644
--- a/Windows/Debugger/CtrlDisAsmView.cpp
+++ b/Windows/Debugger/CtrlDisAsmView.cpp
@@ -434,12 +434,12 @@ std::set<std::string> CtrlDisAsmView::getSelectedLineArguments() {
 		manager.getLine(addr, displaySymbols, line);
 		size_t p = 0, nextp = line.params.find(',');
 		while (nextp != line.params.npos) {
-			args.insert(line.params.substr(p, nextp - p));
+			args.emplace(line.params.substr(p, nextp - p));
 			p = nextp + 1;
 			nextp = line.params.find(',', p);
 		}
 		if (p < line.params.size()) {
-			args.insert(line.params.substr(p));
+			args.emplace(line.params.substr(p));
 		}
 	}